./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd --- 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 17:39:33,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:39:33,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:39:33,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:39:33,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:39:33,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:39:33,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:39:33,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:39:33,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:39:33,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:39:33,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:39:33,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:39:33,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:39:33,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:39:33,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:39:33,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:39:33,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:39:33,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:39:33,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:39:33,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:39:33,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:39:33,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:39:33,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:39:33,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:39:33,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:39:33,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:39:33,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:39:33,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:39:33,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:39:33,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:39:33,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:39:33,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:39:33,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:39:33,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:39:33,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:39:33,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:39:33,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:39:33,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:39:33,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:39:33,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:39:33,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:39:33,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 17:39:34,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:39:34,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:39:34,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:39:34,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:39:34,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:39:34,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:39:34,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:39:34,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:39:34,011 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:39:34,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:39:34,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:39:34,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:39:34,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:39:34,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:39:34,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:39:34,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:39:34,013 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:39:34,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:39:34,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:39:34,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:39:34,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:39:34,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:39:34,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:39:34,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:39:34,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:39:34,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:39:34,016 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:39:34,016 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_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd [2022-12-13 17:39:34,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:39:34,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:39:34,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:39:34,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:39:34,211 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:39:34,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-13 17:39:36,850 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:39:37,061 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:39:37,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-13 17:39:37,074 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data/a9d27bab5/562488c55bf54d87a0e5dc80bcd2d389/FLAGcea8946e1 [2022-12-13 17:39:37,085 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data/a9d27bab5/562488c55bf54d87a0e5dc80bcd2d389 [2022-12-13 17:39:37,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:39:37,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:39:37,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:39:37,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:39:37,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:39:37,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37, skipping insertion in model container [2022-12-13 17:39:37,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:39:37,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:39:37,357 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:39:37,642 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:39:37,646 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:37,648 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:37,649 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:37,650 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:37,670 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:39:37,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:39:37,678 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:39:37,692 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:39:37,721 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:39:37,722 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:37,723 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:37,725 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:37,725 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:37,729 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:39:37,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:39:37,827 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:39:37,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37 WrapperNode [2022-12-13 17:39:37,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:39:37,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:39:37,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:39:37,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:39:37,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,879 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-12-13 17:39:37,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:39:37,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:39:37,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:39:37,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:39:37,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:39:37,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:39:37,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:39:37,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:39:37,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (1/1) ... [2022-12-13 17:39:37,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:39:37,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:39:37,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:39:37,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:39:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:39:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:39:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:39:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:39:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:39:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:39:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:39:38,067 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:39:38,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:39:38,193 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:39:38,198 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:39:38,199 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:39:38,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:39:38 BoogieIcfgContainer [2022-12-13 17:39:38,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:39:38,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:39:38,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:39:38,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:39:38,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:39:37" (1/3) ... [2022-12-13 17:39:38,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e35212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:39:38, skipping insertion in model container [2022-12-13 17:39:38,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:37" (2/3) ... [2022-12-13 17:39:38,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e35212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:39:38, skipping insertion in model container [2022-12-13 17:39:38,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:39:38" (3/3) ... [2022-12-13 17:39:38,209 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-13 17:39:38,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:39:38,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 17:39:38,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:39:38,265 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;@6c0c58af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:39:38,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 17:39:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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 17:39:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 17:39:38,278 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:38,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:38,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:38,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:38,284 INFO L85 PathProgramCache]: Analyzing trace with hash 182604032, now seen corresponding path program 1 times [2022-12-13 17:39:38,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:39:38,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613818568] [2022-12-13 17:39:38,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:38,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:39:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:39:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:38,501 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 17:39:38,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:39:38,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613818568] [2022-12-13 17:39:38,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613818568] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:39:38,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:39:38,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:39:38,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253654015] [2022-12-13 17:39:38,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:39:38,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:39:38,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:39:38,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:39:38,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:39:38,533 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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, 3 states have (on average 3.3333333333333335) 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 17:39:38,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:39:38,559 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2022-12-13 17:39:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:39:38,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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 17:39:38,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:39:38,565 INFO L225 Difference]: With dead ends: 64 [2022-12-13 17:39:38,565 INFO L226 Difference]: Without dead ends: 36 [2022-12-13 17:39:38,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 17:39:38,570 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:39:38,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:39:38,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-13 17:39:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2022-12-13 17:39:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 26 states have internal predecessors, (30), 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 17:39:38,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-12-13 17:39:38,596 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 12 [2022-12-13 17:39:38,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:39:38,596 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-12-13 17:39:38,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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 17:39:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-12-13 17:39:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 17:39:38,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:38,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:38,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:39:38,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:38,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:38,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1367169869, now seen corresponding path program 1 times [2022-12-13 17:39:38,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:39:38,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082616373] [2022-12-13 17:39:38,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:38,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:39:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:38,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:39:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:38,733 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 17:39:38,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:39:38,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082616373] [2022-12-13 17:39:38,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082616373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:39:38,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:39:38,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:39:38,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010360003] [2022-12-13 17:39:38,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:39:38,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:39:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:39:38,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:39:38,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:39:38,737 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 17:39:38,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:39:38,766 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-12-13 17:39:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:39:38,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 13 [2022-12-13 17:39:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:39:38,767 INFO L225 Difference]: With dead ends: 36 [2022-12-13 17:39:38,767 INFO L226 Difference]: Without dead ends: 34 [2022-12-13 17:39:38,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:39:38,768 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:39:38,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 77 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:39:38,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-13 17:39:38,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-12-13 17:39:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 31 states have internal predecessors, (36), 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 17:39:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-12-13 17:39:38,773 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 13 [2022-12-13 17:39:38,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:39:38,774 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-12-13 17:39:38,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 17:39:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-12-13 17:39:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 17:39:38,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:38,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:38,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:39:38,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:38,776 INFO L85 PathProgramCache]: Analyzing trace with hash -459846585, now seen corresponding path program 1 times [2022-12-13 17:39:38,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:39:38,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104650665] [2022-12-13 17:39:38,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:38,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:39:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:39:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:39:38,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:39:38,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104650665] [2022-12-13 17:39:38,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104650665] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:39:38,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:39:38,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:39:38,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260508961] [2022-12-13 17:39:38,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:39:38,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:39:38,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:39:38,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:39:38,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:39:38,896 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 17:39:38,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:39:38,905 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-12-13 17:39:38,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:39:38,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2022-12-13 17:39:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:39:38,907 INFO L225 Difference]: With dead ends: 34 [2022-12-13 17:39:38,907 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 17:39:38,907 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 17:39:38,908 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 13 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:39:38,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 35 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:39:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 17:39:38,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-13 17:39:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 30 states have internal predecessors, (35), 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 17:39:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-12-13 17:39:38,915 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 18 [2022-12-13 17:39:38,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:39:38,916 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-12-13 17:39:38,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 17:39:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-12-13 17:39:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 17:39:38,917 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:38,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:38,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:39:38,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:38,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:38,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1370342168, now seen corresponding path program 1 times [2022-12-13 17:39:38,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:39:38,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336078182] [2022-12-13 17:39:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:38,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:39:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:39:38,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:39:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:39:38,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:39:38,992 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:39:38,993 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 17:39:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 17:39:38,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 17:39:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 17:39:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 17:39:38,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 17:39:38,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:39:39,000 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 17:39:39,003 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:39:39,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:39:39 BoogieIcfgContainer [2022-12-13 17:39:39,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:39:39,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:39:39,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:39:39,025 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:39:39,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:39:38" (3/4) ... [2022-12-13 17:39:39,027 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:39:39,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:39:39,028 INFO L158 Benchmark]: Toolchain (without parser) took 1939.38ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 113.7MB in the beginning and 107.8MB in the end (delta: 5.9MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2022-12-13 17:39:39,028 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:39:39,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.48ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 107.1MB in the end (delta: 6.6MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-12-13 17:39:39,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.72ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 104.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:39:39,029 INFO L158 Benchmark]: Boogie Preprocessor took 26.04ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:39:39,029 INFO L158 Benchmark]: RCFGBuilder took 293.71ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 88.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:39:39,029 INFO L158 Benchmark]: TraceAbstraction took 821.20ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 87.4MB in the beginning and 108.8MB in the end (delta: -21.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-13 17:39:39,029 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 184.5MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:39:39,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.48ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 107.1MB in the end (delta: 6.6MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.72ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 104.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.04ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.71ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 88.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 821.20ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 87.4MB in the beginning and 108.8MB in the end (delta: -21.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 184.5MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=6442450946, argc=6442450946, argv={6442450945:6442450947}, argv={6442450945:6442450947}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_rand_preinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0, rand()=4, rand()=6, rand()=196607, rand()=2147483646, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=6442450943] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [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, i=1] [L1553] COND FALSE !(i < 1) VAL [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, i=1] [L1557] j = 0 VAL [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, i=1, j=0] [L1557] COND TRUE j < 1 VAL [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, i=1, j=0] [L1560] ++data VAL [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, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 90 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 17:39:39,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd --- 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 17:39:40,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:39:40,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:39:40,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:39:40,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:39:40,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:39:40,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:39:40,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:39:40,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:39:40,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:39:40,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:39:40,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:39:40,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:39:40,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:39:40,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:39:40,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:39:40,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:39:40,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:39:40,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:39:40,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:39:40,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:39:40,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:39:40,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:39:40,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:39:40,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:39:40,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:39:40,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:39:40,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:39:40,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:39:40,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:39:40,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:39:40,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:39:40,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:39:40,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:39:40,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:39:40,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:39:40,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:39:40,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:39:40,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:39:40,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:39:40,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:39:40,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 17:39:40,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:39:40,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:39:40,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:39:40,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:39:40,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:39:40,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:39:40,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:39:40,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:39:40,788 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:39:40,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:39:40,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:39:40,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:39:40,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:39:40,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:39:40,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:39:40,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:39:40,789 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:39:40,789 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:39:40,790 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:39:40,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:39:40,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:39:40,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:39:40,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:39:40,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:39:40,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:39:40,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:39:40,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:39:40,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:39:40,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:39:40,792 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:39:40,792 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:39:40,792 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:39:40,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:39:40,793 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:39:40,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:39:40,797 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:39:40,797 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:39:40,797 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_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ca4c94e0ade64f55a198e34d6db6eb7d7577aaa16081fe7bfb5d04e138d6dd [2022-12-13 17:39:41,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:39:41,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:39:41,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:39:41,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:39:41,030 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:39:41,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-13 17:39:43,630 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:39:43,854 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:39:43,855 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-13 17:39:43,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data/ca5b42d0d/38e614db876649c69d37fa710d487ba8/FLAG952ab37ab [2022-12-13 17:39:43,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/data/ca5b42d0d/38e614db876649c69d37fa710d487ba8 [2022-12-13 17:39:43,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:39:43,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:39:43,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:39:43,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:39:43,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:39:43,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:39:43" (1/1) ... [2022-12-13 17:39:43,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efce0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:43, skipping insertion in model container [2022-12-13 17:39:43,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:39:43" (1/1) ... [2022-12-13 17:39:43,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:39:43,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:39:44,194 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:39:44,514 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:39:44,518 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:44,519 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:44,521 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:44,521 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:44,537 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:39:44,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:39:44,547 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:39:44,560 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:39:44,593 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:39:44,594 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:44,595 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:39:44,596 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:44,597 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:39:44,601 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:39:44,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:39:44,693 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:39:44,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44 WrapperNode [2022-12-13 17:39:44,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:39:44,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:39:44,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:39:44,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:39:44,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,731 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-12-13 17:39:44,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:39:44,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:39:44,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:39:44,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:39:44,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,760 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:39:44,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:39:44,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:39:44,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:39:44,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (1/1) ... [2022-12-13 17:39:44,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:39:44,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:39:44,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:39:44,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:39:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:39:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:39:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 17:39:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:39:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:39:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:39:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:39:44,928 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:39:44,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:39:45,057 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:39:45,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:39:45,062 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:39:45,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:39:45 BoogieIcfgContainer [2022-12-13 17:39:45,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:39:45,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:39:45,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:39:45,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:39:45,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:39:43" (1/3) ... [2022-12-13 17:39:45,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb9f949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:39:45, skipping insertion in model container [2022-12-13 17:39:45,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:39:44" (2/3) ... [2022-12-13 17:39:45,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb9f949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:39:45, skipping insertion in model container [2022-12-13 17:39:45,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:39:45" (3/3) ... [2022-12-13 17:39:45,069 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_17_bad.i [2022-12-13 17:39:45,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:39:45,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 17:39:45,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:39:45,120 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;@793fa0e8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:39:45,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 17:39:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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 17:39:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 17:39:45,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:45,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:45,130 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:45,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:45,134 INFO L85 PathProgramCache]: Analyzing trace with hash 182604032, now seen corresponding path program 1 times [2022-12-13 17:39:45,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:39:45,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590206307] [2022-12-13 17:39:45,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:45,144 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 17:39:45,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:39:45,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:45,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:45,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 17:39:45,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:39:45,320 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 17:39:45,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:39:45,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:39:45,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590206307] [2022-12-13 17:39:45,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590206307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:39:45,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:39:45,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 17:39:45,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963291265] [2022-12-13 17:39:45,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:39:45,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:39:45,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:39:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:39:45,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:39:45,356 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:39:45,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:39:45,370 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2022-12-13 17:39:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:39:45,372 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 17:39:45,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:39:45,376 INFO L225 Difference]: With dead ends: 54 [2022-12-13 17:39:45,376 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 17:39:45,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:39:45,380 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:39:45,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:39:45,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 17:39:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 17:39:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 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 17:39:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-13 17:39:45,404 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 12 [2022-12-13 17:39:45,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:39:45,405 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-13 17:39:45,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:39:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-13 17:39:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 17:39:45,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:45,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:45,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:45,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:45,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:45,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1365757775, now seen corresponding path program 1 times [2022-12-13 17:39:45,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:39:45,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574333175] [2022-12-13 17:39:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:45,613 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 17:39:45,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:39:45,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:45,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:45,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:39:45,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:39:45,813 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 17:39:45,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:39:45,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:39:45,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574333175] [2022-12-13 17:39:45,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574333175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:39:45,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:39:45,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:39:45,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034591515] [2022-12-13 17:39:45,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:39:45,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:39:45,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:39:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:39:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:39:45,815 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 17:39:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:39:45,828 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2022-12-13 17:39:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:39:45,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-12-13 17:39:45,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:39:45,829 INFO L225 Difference]: With dead ends: 42 [2022-12-13 17:39:45,829 INFO L226 Difference]: Without dead ends: 32 [2022-12-13 17:39:45,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 17:39:45,830 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:39:45,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:39:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-13 17:39:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2022-12-13 17:39:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 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 17:39:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-12-13 17:39:45,834 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 13 [2022-12-13 17:39:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:39:45,834 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-12-13 17:39:45,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 17:39:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-12-13 17:39:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 17:39:45,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:45,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:45,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 17:39:46,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:46,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:46,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:46,039 INFO L85 PathProgramCache]: Analyzing trace with hash -567406958, now seen corresponding path program 1 times [2022-12-13 17:39:46,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:39:46,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013010381] [2022-12-13 17:39:46,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:46,042 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 17:39:46,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:39:46,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:46,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 (4)] Waiting until timeout for monitored process [2022-12-13 17:39:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:39:46,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:39:46,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:39:46,199 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 17:39:46,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:39:46,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:39:46,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013010381] [2022-12-13 17:39:46,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013010381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:39:46,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:39:46,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:39:46,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062490945] [2022-12-13 17:39:46,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:39:46,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:39:46,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:39:46,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:39:46,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:39:46,202 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 17:39:46,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:39:46,229 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-12-13 17:39:46,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:39:46,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14 [2022-12-13 17:39:46,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:39:46,230 INFO L225 Difference]: With dead ends: 32 [2022-12-13 17:39:46,230 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 17:39:46,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:39:46,231 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:39:46,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 69 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:39:46,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 17:39:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-13 17:39:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 28 states have internal predecessors, (33), 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 17:39:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-12-13 17:39:46,234 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 14 [2022-12-13 17:39:46,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:39:46,234 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-12-13 17:39:46,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 17:39:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-13 17:39:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 17:39:46,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:39:46,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:39:46,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 (4)] Ended with exit code 0 [2022-12-13 17:39:46,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:46,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 17:39:46,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:39:46,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1370342168, now seen corresponding path program 1 times [2022-12-13 17:39:46,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:39:46,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113212922] [2022-12-13 17:39:46,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:39:46,441 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 17:39:46,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:39:46,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:46,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 (5)] Waiting until timeout for monitored process [2022-12-13 17:39:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:39:46,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:39:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:39:46,617 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 17:39:46,617 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:39:46,618 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 17:39:46,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 17:39:46,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 17:39:46,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 17:39:46,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 17:39:46,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 17:39:46,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 (5)] Ended with exit code 0 [2022-12-13 17:39:46,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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 17:39:46,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 17:39:46,832 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:39:46,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:39:46 BoogieIcfgContainer [2022-12-13 17:39:46,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:39:46,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:39:46,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:39:46,877 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:39:46,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:39:45" (3/4) ... [2022-12-13 17:39:46,878 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 17:39:46,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:39:46,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:39:46,916 INFO L158 Benchmark]: Toolchain (without parser) took 3034.76ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 59.6MB in the beginning and 39.1MB in the end (delta: 20.5MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-12-13 17:39:46,916 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:39:46,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.31ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 52.5MB in the end (delta: 6.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-12-13 17:39:46,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.81ms. Allocated memory is still 104.9MB. Free memory was 52.5MB in the beginning and 49.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:39:46,917 INFO L158 Benchmark]: Boogie Preprocessor took 31.58ms. Allocated memory is still 104.9MB. Free memory was 49.5MB in the beginning and 76.5MB in the end (delta: -26.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:39:46,918 INFO L158 Benchmark]: RCFGBuilder took 299.15ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 62.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:39:46,918 INFO L158 Benchmark]: TraceAbstraction took 1811.61ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 41.9MB in the end (delta: 19.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-12-13 17:39:46,918 INFO L158 Benchmark]: Witness Printer took 38.93ms. Allocated memory is still 104.9MB. Free memory was 41.9MB in the beginning and 39.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:39:46,921 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 52.4MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.31ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 59.4MB in the beginning and 52.5MB in the end (delta: 6.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.81ms. Allocated memory is still 104.9MB. Free memory was 52.5MB in the beginning and 49.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.58ms. Allocated memory is still 104.9MB. Free memory was 49.5MB in the beginning and 76.5MB in the end (delta: -26.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 299.15ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 62.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1811.61ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 41.9MB in the end (delta: 19.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Witness Printer took 38.93ms. Allocated memory is still 104.9MB. Free memory was 41.9MB in the beginning and 39.1MB 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: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_rand_preinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0, rand()=1, rand()=1, rand()=32767, rand()=32767, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [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, i=1] [L1553] COND FALSE !(i < 1) VAL [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, i=1] [L1557] j = 0 VAL [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, i=1, j=0] [L1557] COND TRUE j < 1 VAL [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, i=1, j=0] [L1560] ++data VAL [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, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, 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, 10 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 85 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 2 NumberOfNonLiveVariables, 144 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 17:39:46,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a65d94-4f0a-40f0-b1e7-32bda38bc302/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)