./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_04_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_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0c4aa67cee011170387d976911b76b25b9677326f7a299cd21499ff33e2c3510 --- 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 [2022-12-14 12:17:54,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:17:54,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:17:54,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:17:54,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:17:54,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:17:54,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:17:54,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:17:54,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:17:54,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:17:54,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:17:54,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:17:54,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:17:54,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:17:54,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:17:54,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:17:54,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:17:54,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:17:54,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:17:54,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:17:54,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:17:54,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:17:54,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:17:54,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:17:54,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:17:54,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:17:54,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:17:54,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:17:54,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:17:54,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:17:54,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:17:54,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:17:54,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:17:54,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:17:54,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:17:54,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:17:54,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:17:54,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:17:54,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:17:54,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:17:54,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:17:54,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:17:54,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:17:54,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:17:54,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:17:54,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:17:54,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:17:54,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:17:54,107 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:17:54,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:17:54,107 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:17:54,107 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:17:54,107 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:17:54,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:17:54,108 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:17:54,108 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:17:54,108 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:17:54,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:17:54,109 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:17:54,109 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:17:54,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:17:54,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:17:54,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:17:54,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:17:54,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:17:54,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:17:54,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:17:54,111 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:17:54,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:17:54,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:17:54,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:17:54,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:17:54,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:17:54,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:17:54,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:17:54,112 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:17:54,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:17:54,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:17:54,113 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:17:54,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:17:54,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:17:54,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:17:54,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c4aa67cee011170387d976911b76b25b9677326f7a299cd21499ff33e2c3510 [2022-12-14 12:17:54,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:17:54,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:17:54,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:17:54,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:17:54,332 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:17:54,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_04_bad.i [2022-12-14 12:17:56,906 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:17:57,229 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:17:57,230 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_04_bad.i [2022-12-14 12:17:57,247 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data/d1ad8152f/1b0abf5bf96f40db92e746660e39cc3e/FLAGc6ba5574e [2022-12-14 12:17:57,261 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data/d1ad8152f/1b0abf5bf96f40db92e746660e39cc3e [2022-12-14 12:17:57,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:17:57,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:17:57,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:17:57,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:17:57,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:17:57,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:17:57" (1/1) ... [2022-12-14 12:17:57,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6609da93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:57, skipping insertion in model container [2022-12-14 12:17:57,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:17:57" (1/1) ... [2022-12-14 12:17:57,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:17:57,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:17:57,588 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:17:57,956 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:17:57,960 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:17:57,962 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:17:57,963 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:17:57,964 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:17:58,322 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:17:58,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:17:58,332 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:17:58,348 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:17:58,390 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:17:58,392 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:17:58,393 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:17:58,395 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:17:58,395 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:17:58,408 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:17:58,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:17:58,617 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:17:58,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58 WrapperNode [2022-12-14 12:17:58,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:17:58,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:17:58,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:17:58,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:17:58,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,676 INFO L138 Inliner]: procedures = 937, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 12:17:58,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:17:58,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:17:58,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:17:58,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:17:58,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,697 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:17:58,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:17:58,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:17:58,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:17:58,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (1/1) ... [2022-12-14 12:17:58,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:17:58,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:17:58,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:17:58,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:17:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:17:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:17:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:17:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:17:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:17:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:17:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:17:58,876 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:17:58,878 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:17:58,998 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:17:59,082 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:17:59,082 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:17:59,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:17:59 BoogieIcfgContainer [2022-12-14 12:17:59,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:17:59,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:17:59,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:17:59,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:17:59,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:17:57" (1/3) ... [2022-12-14 12:17:59,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da7fd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:17:59, skipping insertion in model container [2022-12-14 12:17:59,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:17:58" (2/3) ... [2022-12-14 12:17:59,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da7fd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:17:59, skipping insertion in model container [2022-12-14 12:17:59,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:17:59" (3/3) ... [2022-12-14 12:17:59,091 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_04_bad.i [2022-12-14 12:17:59,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:17:59,105 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:17:59,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:17:59,149 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=FINITE_AUTOMATA, 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;@4db84caa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:17:59,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:17:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2022-12-14 12:17:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:17:59,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:17:59,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:17:59,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:17:59,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:17:59,166 INFO L85 PathProgramCache]: Analyzing trace with hash 188919820, now seen corresponding path program 1 times [2022-12-14 12:17:59,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:17:59,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710779252] [2022-12-14 12:17:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:17:59,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:17:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:17:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:17:59,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:17:59,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710779252] [2022-12-14 12:17:59,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710779252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:17:59,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:17:59,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:17:59,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151090954] [2022-12-14 12:17:59,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:17:59,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:17:59,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:17:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:17:59,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:17:59,415 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 12:17:59,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:17:59,446 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-14 12:17:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:17:59,448 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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 7 [2022-12-14 12:17:59,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:17:59,454 INFO L225 Difference]: With dead ends: 14 [2022-12-14 12:17:59,455 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 12:17:59,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:17:59,460 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:17:59,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:17:59,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 12:17:59,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 12:17:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-12-14 12:17:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 12:17:59,494 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 12:17:59,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:17:59,494 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 12:17:59,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 12:17:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 12:17:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:17:59,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:17:59,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:17:59,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:17:59,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:17:59,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:17:59,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1561547186, now seen corresponding path program 1 times [2022-12-14 12:17:59,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:17:59,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549726427] [2022-12-14 12:17:59,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:17:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:17:59,528 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:17:59,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270683835] [2022-12-14 12:17:59,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:17:59,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:17:59,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:17:59,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:17:59,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:17:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:17:59,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:17:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:17:59,651 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:17:59,652 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:17:59,654 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:17:59,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:17:59,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:17:59,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 12:17:59,868 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:17:59,878 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:17:59,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:17:59 BoogieIcfgContainer [2022-12-14 12:17:59,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:17:59,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:17:59,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:17:59,952 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:17:59,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:17:59" (3/4) ... [2022-12-14 12:17:59,961 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:17:59,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:17:59,964 INFO L158 Benchmark]: Toolchain (without parser) took 2697.95ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 80.4MB in the beginning and 63.2MB in the end (delta: 17.3MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-12-14 12:17:59,964 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:17:59,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 80.1MB in the beginning and 65.5MB in the end (delta: 14.5MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2022-12-14 12:17:59,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.72ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:17:59,969 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:17:59,970 INFO L158 Benchmark]: RCFGBuilder took 383.04ms. Allocated memory is still 142.6MB. Free memory was 60.3MB in the beginning and 103.9MB in the end (delta: -43.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-12-14 12:17:59,971 INFO L158 Benchmark]: TraceAbstraction took 863.17ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 64.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 12:17:59,972 INFO L158 Benchmark]: Witness Printer took 10.44ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 63.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:17:59,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 80.1MB in the beginning and 65.5MB in the end (delta: 14.5MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.72ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.34ms. Allocated memory is still 142.6MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.04ms. Allocated memory is still 142.6MB. Free memory was 60.3MB in the beginning and 103.9MB in the end (delta: -43.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 863.17ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 64.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 10.44ms. Allocated memory is still 142.6MB. Free memory was 64.2MB in the beginning and 63.2MB in the end (delta: 1.0MB). 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: 1845]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1840, overapproximation of bitwiseAnd at line 1840. 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); [L1832] static const int STATIC_CONST_TRUE = 1; [L1833] static const int STATIC_CONST_FALSE = 0; [L1853] 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}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1853] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1854] CALL CWE190_Integer_Overflow__int_rand_square_04_bad() [L1836] int data; [L1837] data = 0 [L1838] COND TRUE \read(STATIC_CONST_TRUE) [L1840] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1840] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1840] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1842] COND TRUE \read(STATIC_CONST_TRUE) VAL [data=715826838, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1845] data * data VAL [data=715826838, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1845]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 12:18:00,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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 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_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0c4aa67cee011170387d976911b76b25b9677326f7a299cd21499ff33e2c3510 --- 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 [2022-12-14 12:18:01,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:18:01,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:18:01,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:18:01,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:18:01,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:18:01,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:18:01,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:18:01,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:18:01,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:18:01,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:18:01,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:18:01,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:18:01,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:18:01,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:18:01,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:18:01,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:18:01,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:18:01,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:18:01,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:18:01,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:18:01,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:18:01,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:18:01,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:18:01,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:18:01,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:18:01,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:18:01,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:18:01,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:18:01,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:18:01,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:18:01,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:18:01,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:18:01,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:18:01,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:18:01,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:18:01,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:18:01,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:18:01,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:18:01,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:18:01,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:18:01,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 12:18:01,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:18:01,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:18:01,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:18:01,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:18:01,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:18:01,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:18:01,730 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:18:01,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:18:01,730 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:18:01,731 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:18:01,731 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:18:01,731 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:18:01,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:18:01,732 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:18:01,733 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:18:01,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:18:01,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:18:01,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:18:01,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:18:01,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:18:01,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:18:01,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:18:01,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:18:01,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:18:01,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:18:01,734 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:18:01,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:18:01,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:18:01,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:18:01,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:18:01,735 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c4aa67cee011170387d976911b76b25b9677326f7a299cd21499ff33e2c3510 [2022-12-14 12:18:01,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:18:01,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:18:01,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:18:01,984 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:18:01,985 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:18:01,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_04_bad.i [2022-12-14 12:18:04,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:18:04,754 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:18:04,754 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_04_bad.i [2022-12-14 12:18:04,770 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data/41e1a4510/203dd115209b4958bd07112f097eb873/FLAGf08e63fd5 [2022-12-14 12:18:05,060 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/data/41e1a4510/203dd115209b4958bd07112f097eb873 [2022-12-14 12:18:05,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:18:05,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:18:05,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:18:05,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:18:05,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:18:05,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:18:05" (1/1) ... [2022-12-14 12:18:05,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f4809b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:05, skipping insertion in model container [2022-12-14 12:18:05,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:18:05" (1/1) ... [2022-12-14 12:18:05,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:18:05,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:18:05,406 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:18:05,817 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:18:05,822 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:18:05,823 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:18:05,824 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:18:05,825 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:18:06,135 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:18:06,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:18:06,145 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:18:06,157 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:18:06,195 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:18:06,196 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:18:06,197 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:18:06,198 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:18:06,199 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:18:06,207 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:18:06,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:18:06,444 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:18:06,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06 WrapperNode [2022-12-14 12:18:06,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:18:06,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:18:06,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:18:06,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:18:06,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,489 INFO L138 Inliner]: procedures = 942, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 12:18:06,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:18:06,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:18:06,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:18:06,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:18:06,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:18:06,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:18:06,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:18:06,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:18:06,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (1/1) ... [2022-12-14 12:18:06,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:18:06,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:18:06,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:18:06,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:18:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:18:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:18:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:18:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:18:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:18:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:18:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 12:18:06,707 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:18:06,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:18:08,141 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:18:08,145 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:18:08,145 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:18:08,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:18:08 BoogieIcfgContainer [2022-12-14 12:18:08,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:18:08,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:18:08,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:18:08,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:18:08,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:18:05" (1/3) ... [2022-12-14 12:18:08,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c65cb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:18:08, skipping insertion in model container [2022-12-14 12:18:08,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:18:06" (2/3) ... [2022-12-14 12:18:08,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c65cb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:18:08, skipping insertion in model container [2022-12-14 12:18:08,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:18:08" (3/3) ... [2022-12-14 12:18:08,152 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_04_bad.i [2022-12-14 12:18:08,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:18:08,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:18:08,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:18:08,203 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=FINITE_AUTOMATA, 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;@467e305b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:18:08,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:18:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-12-14 12:18:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:18:08,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:18:08,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:18:08,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:18:08,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:18:08,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-14 12:18:08,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:18:08,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672926632] [2022-12-14 12:18:08,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:18:08,225 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 [2022-12-14 12:18:08,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:18:08,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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) [2022-12-14 12:18:08,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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 [2022-12-14 12:18:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:18:08,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:18:08,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:18:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:18:08,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:18:08,400 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:18:08,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672926632] [2022-12-14 12:18:08,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672926632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:18:08,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:18:08,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:18:08,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580239334] [2022-12-14 12:18:08,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:18:08,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:18:08,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:18:08,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:18:08,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:18:08,438 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-14 12:18:08,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:18:08,463 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-12-14 12:18:08,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:18:08,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-12-14 12:18:08,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:18:08,469 INFO L225 Difference]: With dead ends: 39 [2022-12-14 12:18:08,469 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 12:18:08,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:18:08,473 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:18:08,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:18:08,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 12:18:08,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 12:18:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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) [2022-12-14 12:18:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-14 12:18:08,497 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-14 12:18:08,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:18:08,497 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-14 12:18:08,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-14 12:18:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-14 12:18:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:18:08,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:18:08,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:18:08,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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 [2022-12-14 12:18:08,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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 [2022-12-14 12:18:08,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:18:08,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:18:08,702 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-14 12:18:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:18:08,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894192855] [2022-12-14 12:18:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:18:08,705 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 [2022-12-14 12:18:08,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:18:08,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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) [2022-12-14 12:18:08,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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 [2022-12-14 12:18:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:18:08,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:18:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:18:08,899 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 12:18:08,899 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:18:08,900 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:18:08,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:18:08,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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 [2022-12-14 12:18:09,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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 [2022-12-14 12:18:09,112 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:18:09,124 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:18:09,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:18:09 BoogieIcfgContainer [2022-12-14 12:18:09,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:18:09,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:18:09,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:18:09,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:18:09,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:18:08" (3/4) ... [2022-12-14 12:18:09,160 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 12:18:09,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:18:09,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:18:09,188 INFO L158 Benchmark]: Toolchain (without parser) took 4125.37ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 28.4MB in the end (delta: 20.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-12-14 12:18:09,189 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:18:09,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1381.15ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 140.8kB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-12-14 12:18:09,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.99ms. Allocated memory is still 92.3MB. Free memory was 48.9MB in the beginning and 44.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:18:09,189 INFO L158 Benchmark]: Boogie Preprocessor took 32.88ms. Allocated memory is still 92.3MB. Free memory was 44.7MB in the beginning and 42.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:18:09,190 INFO L158 Benchmark]: RCFGBuilder took 1622.78ms. Allocated memory is still 92.3MB. Free memory was 42.6MB in the beginning and 28.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 12:18:09,190 INFO L158 Benchmark]: TraceAbstraction took 1010.50ms. Allocated memory is still 92.3MB. Free memory was 27.9MB in the beginning and 31.1MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:18:09,190 INFO L158 Benchmark]: Witness Printer took 29.29ms. Allocated memory is still 92.3MB. Free memory was 31.1MB in the beginning and 28.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:18:09,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1381.15ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 140.8kB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.99ms. Allocated memory is still 92.3MB. Free memory was 48.9MB in the beginning and 44.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.88ms. Allocated memory is still 92.3MB. Free memory was 44.7MB in the beginning and 42.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1622.78ms. Allocated memory is still 92.3MB. Free memory was 42.6MB in the beginning and 28.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1010.50ms. Allocated memory is still 92.3MB. Free memory was 27.9MB in the beginning and 31.1MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 29.29ms. Allocated memory is still 92.3MB. Free memory was 31.1MB in the beginning and 28.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1845]: 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); [L1832] static const int STATIC_CONST_TRUE = 1; [L1833] static const int STATIC_CONST_FALSE = 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1853] 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}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1853] 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1854] CALL CWE190_Integer_Overflow__int_rand_square_04_bad() [L1836] int data; [L1837] data = 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1838] COND TRUE \read(STATIC_CONST_TRUE) [L1840] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1840] 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, rand()=65536, rand()=0, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1840] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1842] COND TRUE \read(STATIC_CONST_TRUE) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1845] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1845]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 12:18:09,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aea6604-3e0d-4d28-b00b-4871a66d96ea/bin/utaipan-gh47qXpMRh/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)