./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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_9bd77a25-7d24-4b58-854f-12abcea85d10/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 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f --- 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 14:17:43,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:17:43,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:17:43,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:17:43,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:17:43,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:17:43,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:17:43,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:17:43,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:17:43,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:17:43,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:17:43,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:17:43,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:17:43,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:17:43,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:17:43,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:17:43,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:17:43,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:17:43,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:17:43,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:17:43,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:17:43,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:17:43,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:17:43,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:17:43,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:17:43,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:17:43,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:17:43,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:17:43,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:17:43,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:17:43,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:17:43,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:17:43,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:17:43,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:17:43,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:17:43,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:17:43,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:17:43,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:17:43,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:17:43,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:17:43,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:17:43,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 14:17:44,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:17:44,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:17:44,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:17:44,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:17:44,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:17:44,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:17:44,002 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:17:44,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:17:44,003 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:17:44,003 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:17:44,003 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:17:44,003 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:17:44,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:17:44,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:17:44,004 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:17:44,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:17:44,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:17:44,005 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:17:44,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:17:44,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:17:44,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:17:44,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:17:44,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:17:44,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:17:44,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:17:44,007 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:17:44,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:17:44,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:17:44,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:17:44,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:17:44,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:17:44,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:17:44,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:17:44,008 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:17:44,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:17:44,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:17:44,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:17:44,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:17:44,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:17:44,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:17:44,010 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_9bd77a25-7d24-4b58-854f-12abcea85d10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f [2022-12-14 14:17:44,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:17:44,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:17:44,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:17:44,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:17:44,247 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:17:44,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2022-12-14 14:17:46,932 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:17:47,174 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:17:47,174 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2022-12-14 14:17:47,192 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data/0308f75f9/3bed87bd36a1432a9048df9eff472f92/FLAG1bbdada51 [2022-12-14 14:17:47,203 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data/0308f75f9/3bed87bd36a1432a9048df9eff472f92 [2022-12-14 14:17:47,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:17:47,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:17:47,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:17:47,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:17:47,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:17:47,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:17:47" (1/1) ... [2022-12-14 14:17:47,213 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 02:17:47, skipping insertion in model container [2022-12-14 14:17:47,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:17:47" (1/1) ... [2022-12-14 14:17:47,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:17:47,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:17:47,626 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:17:47,970 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:17:47,975 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:47,977 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:47,980 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:47,980 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:48,005 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:17:48,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:17:48,015 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:17:48,032 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:17:48,073 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:17:48,075 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:48,076 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:48,078 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:48,079 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:48,084 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:17:48,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:17:48,209 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:17:48,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48 WrapperNode [2022-12-14 14:17:48,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:17:48,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:17:48,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:17:48,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:17:48,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,249 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-14 14:17:48,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:17:48,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:17:48,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:17:48,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:17:48,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,267 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:17:48,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:17:48,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:17:48,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:17:48,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (1/1) ... [2022-12-14 14:17:48,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:17:48,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:17:48,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:17:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:17:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 14:17:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 14:17:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:17:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:17:48,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:17:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 14:17:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:17:48,433 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:17:48,434 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:17:48,539 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:17:48,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:17:48,603 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:17:48,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:48 BoogieIcfgContainer [2022-12-14 14:17:48,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:17:48,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:17:48,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:17:48,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:17:48,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:17:47" (1/3) ... [2022-12-14 14:17:48,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc3ceb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:17:48, skipping insertion in model container [2022-12-14 14:17:48,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:48" (2/3) ... [2022-12-14 14:17:48,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc3ceb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:17:48, skipping insertion in model container [2022-12-14 14:17:48,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:48" (3/3) ... [2022-12-14 14:17:48,615 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2022-12-14 14:17:48,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:17:48,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 14:17:48,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:17:48,676 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;@1bbd8a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:17:48,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 14:17:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 14:17:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 14:17:48,684 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:48,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 14:17:48,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:17:48,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:48,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2123687601, now seen corresponding path program 1 times [2022-12-14 14:17:48,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:48,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228909025] [2022-12-14 14:17:48,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:49,033 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 14:17:49,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:17:49,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228909025] [2022-12-14 14:17:49,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228909025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:49,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:49,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:17:49,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705137137] [2022-12-14 14:17:49,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:49,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:17:49,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:17:49,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:17:49,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:17:49,071 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 14:17:49,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:49,106 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 14:17:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:17:49,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2022-12-14 14:17:49,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:49,115 INFO L225 Difference]: With dead ends: 12 [2022-12-14 14:17:49,115 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 14:17:49,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 14:17:49,121 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:49,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:17:49,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 14:17:49,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 14:17:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 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 14:17:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 14:17:49,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 14:17:49,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:49,153 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 14:17:49,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 14:17:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 14:17:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 14:17:49,154 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:49,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:49,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:17:49,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:17:49,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:49,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1409806244, now seen corresponding path program 1 times [2022-12-14 14:17:49,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:17:49,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379184027] [2022-12-14 14:17:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:17:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:17:49,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:17:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:17:49,244 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:17:49,245 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:17:49,246 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 14:17:49,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 14:17:49,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:17:49,252 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 14:17:49,255 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:17:49,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:17:49 BoogieIcfgContainer [2022-12-14 14:17:49,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:17:49,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:17:49,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:17:49,275 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:17:49,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:48" (3/4) ... [2022-12-14 14:17:49,279 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 14:17:49,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:17:49,279 INFO L158 Benchmark]: Toolchain (without parser) took 2073.29ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 79.3MB in the beginning and 57.7MB in the end (delta: 21.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2022-12-14 14:17:49,280 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:17:49,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1001.98ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 79.0MB in the beginning and 81.4MB in the end (delta: -2.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-14 14:17:49,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.99ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 77.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:49,281 INFO L158 Benchmark]: Boogie Preprocessor took 19.33ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 76.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:49,282 INFO L158 Benchmark]: RCFGBuilder took 336.01ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 106.0MB in the end (delta: -29.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 14:17:49,282 INFO L158 Benchmark]: TraceAbstraction took 665.68ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 57.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-14 14:17:49,282 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:17:49,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1001.98ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 79.0MB in the beginning and 81.4MB in the end (delta: -2.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.99ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 77.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.33ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 76.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.01ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 106.0MB in the end (delta: -29.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 665.68ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 57.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory is still 57.7MB. 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1560, overapproximation of bitwiseAnd at line 1560. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] ++data VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 14:17:49,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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_9bd77a25-7d24-4b58-854f-12abcea85d10/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 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f --- 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 14:17:50,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:17:50,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:17:50,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:17:50,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:17:50,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:17:50,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:17:50,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:17:50,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:17:50,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:17:50,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:17:50,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:17:50,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:17:50,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:17:50,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:17:50,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:17:50,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:17:50,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:17:50,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:17:50,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:17:50,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:17:50,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:17:50,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:17:50,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:17:50,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:17:50,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:17:50,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:17:50,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:17:50,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:17:50,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:17:50,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:17:50,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:17:50,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:17:50,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:17:50,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:17:50,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:17:50,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:17:50,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:17:50,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:17:50,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:17:50,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:17:50,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 14:17:50,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:17:50,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:17:50,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:17:50,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:17:50,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:17:50,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:17:50,915 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:17:50,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:17:50,915 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:17:50,915 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:17:50,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:17:50,915 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:17:50,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:17:50,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:17:50,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:17:50,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:17:50,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:17:50,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:17:50,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:17:50,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:17:50,917 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:17:50,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:17:50,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:17:50,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:17:50,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:17:50,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:17:50,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:17:50,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:17:50,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:17:50,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:17:50,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:17:50,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:17:50,919 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:17:50,919 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:17:50,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:17:50,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:17:50,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:17:50,920 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_9bd77a25-7d24-4b58-854f-12abcea85d10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43823a0090a39083b5ffe3fe5b19edcbdf683b92c791f7bcce46328f6e3f4c6f [2022-12-14 14:17:51,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:17:51,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:17:51,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:17:51,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:17:51,166 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:17:51,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2022-12-14 14:17:53,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:17:53,924 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:17:53,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2022-12-14 14:17:53,937 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data/de9ceca8a/97190dcb2863416eaa0c842733bf6fda/FLAGda9902884 [2022-12-14 14:17:53,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/data/de9ceca8a/97190dcb2863416eaa0c842733bf6fda [2022-12-14 14:17:53,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:17:53,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:17:53,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:17:53,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:17:53,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:17:53,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:17:53" (1/1) ... [2022-12-14 14:17:53,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce5e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:53, skipping insertion in model container [2022-12-14 14:17:53,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:17:53" (1/1) ... [2022-12-14 14:17:53,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:17:53,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:17:54,232 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:17:54,525 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:17:54,529 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:54,530 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:54,531 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:54,532 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:54,549 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:17:54,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:17:54,560 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:17:54,575 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:17:54,608 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:17:54,609 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:54,610 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:17:54,611 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:54,612 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:17:54,616 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:17:54,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:17:54,704 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:17:54,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54 WrapperNode [2022-12-14 14:17:54,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:17:54,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:17:54,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:17:54,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:17:54,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,749 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-14 14:17:54,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:17:54,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:17:54,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:17:54,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:17:54,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:17:54,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:17:54,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:17:54,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:17:54,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (1/1) ... [2022-12-14 14:17:54,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:17:54,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:17:54,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:17:54,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:17:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 14:17:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 14:17:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 14:17:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:17:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:17:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:17:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 14:17:54,962 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:17:54,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:17:55,085 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:17:55,090 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:17:55,091 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:17:55,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:55 BoogieIcfgContainer [2022-12-14 14:17:55,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:17:55,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:17:55,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:17:55,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:17:55,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:17:53" (1/3) ... [2022-12-14 14:17:55,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a1eed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:17:55, skipping insertion in model container [2022-12-14 14:17:55,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:17:54" (2/3) ... [2022-12-14 14:17:55,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a1eed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:17:55, skipping insertion in model container [2022-12-14 14:17:55,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:55" (3/3) ... [2022-12-14 14:17:55,101 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_41_bad.i [2022-12-14 14:17:55,118 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:17:55,118 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 14:17:55,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:17:55,171 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;@6ecb4218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:17:55,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 14:17:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 14:17:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 14:17:55,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:55,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:55,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:17:55,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:55,192 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-14 14:17:55,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:17:55,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784356014] [2022-12-14 14:17:55,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:55,206 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 14:17:55,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:17:55,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:17:55,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 14:17:55,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:17:55,327 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 14:17:55,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:17:55,328 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:17:55,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784356014] [2022-12-14 14:17:55,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784356014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:17:55,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:17:55,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 14:17:55,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564956800] [2022-12-14 14:17:55,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:17:55,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:17:55,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:17:55,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:17:55,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:17:55,366 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) 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 14:17:55,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:17:55,379 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-14 14:17:55,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:17:55,381 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) 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 14:17:55,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:17:55,386 INFO L225 Difference]: With dead ends: 22 [2022-12-14 14:17:55,386 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 14:17:55,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 14:17:55,390 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:17:55,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:17:55,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 14:17:55,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 14:17:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:17:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 14:17:55,415 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 14:17:55,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:17:55,415 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 14:17:55,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) 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 14:17:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 14:17:55,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 14:17:55,416 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:17:55,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:17:55,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:17:55,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:17:55,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-14 14:17:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:17:55,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281623385] [2022-12-14 14:17:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:17:55,618 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 14:17:55,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:17:55,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:17:55,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:17:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:17:55,728 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 14:17:55,728 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:17:55,730 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 14:17:55,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 14:17:55,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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 14:17:55,943 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 14:17:55,954 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:17:56,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:17:56 BoogieIcfgContainer [2022-12-14 14:17:56,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:17:56,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:17:56,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:17:56,023 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:17:56,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:17:55" (3/4) ... [2022-12-14 14:17:56,031 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 14:17:56,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:17:56,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:17:56,112 INFO L158 Benchmark]: Toolchain (without parser) took 2160.79ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 50.3MB in the end (delta: 4.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:56,113 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:17:56,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.53ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 53.5MB in the end (delta: 1.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-14 14:17:56,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.36ms. Allocated memory is still 79.7MB. Free memory was 53.5MB in the beginning and 50.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:56,114 INFO L158 Benchmark]: Boogie Preprocessor took 28.91ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 48.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:56,115 INFO L158 Benchmark]: RCFGBuilder took 313.29ms. Allocated memory is still 79.7MB. Free memory was 48.5MB in the beginning and 35.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 14:17:56,115 INFO L158 Benchmark]: TraceAbstraction took 924.71ms. Allocated memory is still 79.7MB. Free memory was 34.6MB in the beginning and 28.5MB in the end (delta: 6.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-12-14 14:17:56,115 INFO L158 Benchmark]: Witness Printer took 89.88ms. Allocated memory is still 79.7MB. Free memory was 28.1MB in the beginning and 50.3MB in the end (delta: -22.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-14 14:17:56,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.53ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 53.5MB in the end (delta: 1.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.36ms. Allocated memory is still 79.7MB. Free memory was 53.5MB in the beginning and 50.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.91ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 48.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.29ms. Allocated memory is still 79.7MB. Free memory was 48.5MB in the beginning and 35.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 924.71ms. Allocated memory is still 79.7MB. Free memory was 34.6MB in the beginning and 28.5MB in the end (delta: 6.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Witness Printer took 89.88ms. Allocated memory is still 79.7MB. Free memory was 28.1MB in the beginning and 50.3MB in the end (delta: -22.3MB). Peak memory consumption was 4.9MB. 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: 1551]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_rand_preinc_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] 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()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] ++data VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 14:17:56,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd77a25-7d24-4b58-854f-12abcea85d10/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)