./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/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_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/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_2926ab78-0830-408d-9675-4e059adf3972/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 90350df12f1ce4a976cde1970cc1d293481c4dc722341e9cfcaf1d32d8d84c65 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:47:36,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:47:36,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:47:36,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:47:36,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:47:36,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:47:36,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:47:36,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:47:36,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:47:36,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:47:36,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:47:36,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:47:36,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:47:36,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:47:36,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:47:36,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:47:36,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:47:36,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:47:36,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:47:36,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:47:36,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:47:36,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:47:36,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:47:36,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:47:36,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:47:36,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:47:36,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:47:36,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:47:36,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:47:36,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:47:36,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:47:36,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:47:36,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:47:36,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:47:36,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:47:36,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:47:36,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:47:36,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:47:36,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:47:36,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:47:36,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:47:36,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:47:36,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:47:36,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:47:36,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:47:36,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:47:36,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:47:36,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:47:36,236 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:47:36,237 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:47:36,237 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:47:36,237 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:47:36,237 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:47:36,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:47:36,238 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:47:36,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:47:36,238 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:47:36,238 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:47:36,238 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:47:36,239 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:47:36,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:47:36,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:47:36,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:47:36,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:47:36,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:47:36,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:47:36,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:47:36,241 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:47:36,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:47:36,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:47:36,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:47:36,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:47:36,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:47:36,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:47:36,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:47:36,242 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:47:36,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:47:36,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:47:36,243 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:47:36,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:47:36,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:47:36,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:47:36,243 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_2926ab78-0830-408d-9675-4e059adf3972/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90350df12f1ce4a976cde1970cc1d293481c4dc722341e9cfcaf1d32d8d84c65 [2022-12-14 12:47:36,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:47:36,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:47:36,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:47:36,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:47:36,445 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:47:36,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_66_bad.i [2022-12-14 12:47:39,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:47:39,303 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:47:39,303 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_66_bad.i [2022-12-14 12:47:39,317 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data/bc373cb90/4204ed2ed6524df19c3349c1ec0ab01e/FLAG7fd289c20 [2022-12-14 12:47:39,332 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data/bc373cb90/4204ed2ed6524df19c3349c1ec0ab01e [2022-12-14 12:47:39,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:47:39,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:47:39,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:47:39,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:47:39,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:47:39,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:47:39" (1/1) ... [2022-12-14 12:47:39,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d333e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:39, skipping insertion in model container [2022-12-14 12:47:39,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:47:39" (1/1) ... [2022-12-14 12:47:39,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:47:39,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:47:39,619 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:47:39,898 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:47:39,902 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:39,904 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:39,905 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:39,906 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:39,924 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:47:39,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:47:39,933 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:47:39,946 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:47:39,974 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:47:39,975 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:39,976 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:39,977 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:39,978 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:39,982 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:47:39,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:47:40,108 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:47:40,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40 WrapperNode [2022-12-14 12:47:40,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:47:40,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:47:40,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:47:40,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:47:40,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,146 INFO L138 Inliner]: procedures = 500, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-12-14 12:47:40,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:47:40,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:47:40,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:47:40,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:47:40,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:47:40,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:47:40,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:47:40,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:47:40,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (1/1) ... [2022-12-14 12:47:40,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:47:40,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:47:40,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:47:40,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:47:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:47:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:47:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:47:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:47:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:47:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:47:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:47:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:47:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:47:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:47:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:47:40,335 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:47:40,336 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:47:40,444 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:47:40,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:47:40,504 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:47:40,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:47:40 BoogieIcfgContainer [2022-12-14 12:47:40,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:47:40,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:47:40,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:47:40,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:47:40,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:47:39" (1/3) ... [2022-12-14 12:47:40,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2c3432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:47:40, skipping insertion in model container [2022-12-14 12:47:40,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:40" (2/3) ... [2022-12-14 12:47:40,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2c3432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:47:40, skipping insertion in model container [2022-12-14 12:47:40,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:47:40" (3/3) ... [2022-12-14 12:47:40,514 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_66_bad.i [2022-12-14 12:47:40,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:47:40,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:47:40,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:47:40,568 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;@268c0522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:47:40,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:47:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:47:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:47:40,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:47:40,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:47:40,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:47:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:47:40,581 INFO L85 PathProgramCache]: Analyzing trace with hash 811846342, now seen corresponding path program 1 times [2022-12-14 12:47:40,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:47:40,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581232485] [2022-12-14 12:47:40,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:47:40,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:47:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:47:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:47:40,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:47:40,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581232485] [2022-12-14 12:47:40,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581232485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:47:40,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:47:40,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:47:40,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418110339] [2022-12-14 12:47:40,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:47:40,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:47:40,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:47:40,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:47:40,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:47:40,828 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:47:40,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:47:40,866 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-12-14 12:47:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:47:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 12:47:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:47:40,872 INFO L225 Difference]: With dead ends: 18 [2022-12-14 12:47:40,872 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 12:47:40,874 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 12:47:40,876 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:47:40,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:47:40,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 12:47:40,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 12:47:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:47:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 12:47:40,898 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 12:47:40,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:47:40,898 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 12:47:40,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:47:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 12:47:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:47:40,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:47:40,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:47:40,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:47:40,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:47:40,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:47:40,900 INFO L85 PathProgramCache]: Analyzing trace with hash -602567118, now seen corresponding path program 1 times [2022-12-14 12:47:40,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:47:40,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893430476] [2022-12-14 12:47:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:47:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:47:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:47:40,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:47:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:47:41,004 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:47:41,004 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:47:41,006 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:47:41,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:47:41,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:47:41,010 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:47:41,013 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:47:41,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:47:41 BoogieIcfgContainer [2022-12-14 12:47:41,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:47:41,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:47:41,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:47:41,030 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:47:41,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:47:40" (3/4) ... [2022-12-14 12:47:41,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:47:41,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:47:41,034 INFO L158 Benchmark]: Toolchain (without parser) took 1697.98ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 115.6MB in the beginning and 94.8MB in the end (delta: 20.8MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-12-14 12:47:41,034 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:47:41,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.27ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 52.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-14 12:47:41,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 155.2MB. Free memory was 52.7MB in the beginning and 50.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:47:41,035 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 155.2MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:47:41,035 INFO L158 Benchmark]: RCFGBuilder took 340.98ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 47.9MB in the beginning and 139.9MB in the end (delta: -92.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-12-14 12:47:41,036 INFO L158 Benchmark]: TraceAbstraction took 520.28ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 95.9MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-14 12:47:41,036 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 186.6MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:47:41,038 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 155.2MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.27ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 52.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 155.2MB. Free memory was 52.7MB in the beginning and 50.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 155.2MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.98ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 47.9MB in the beginning and 139.9MB in the end (delta: -92.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 520.28ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 95.9MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 186.6MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=3221225475, argc=3221225475, argv={3221225477:3221225476}, argv={3221225477:3221225476}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data > 0 VAL [data=2147483647, dataArray={4:0}, dataArray={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [data=2147483647, dataArray={4:0}, dataArray={4:0}, 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 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=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 12:47:41,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/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_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/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_2926ab78-0830-408d-9675-4e059adf3972/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 90350df12f1ce4a976cde1970cc1d293481c4dc722341e9cfcaf1d32d8d84c65 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:47:42,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:47:42,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:47:42,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:47:42,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:47:42,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:47:42,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:47:42,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:47:42,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:47:42,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:47:42,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:47:42,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:47:42,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:47:42,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:47:42,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:47:42,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:47:42,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:47:42,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:47:42,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:47:42,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:47:42,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:47:42,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:47:42,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:47:42,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:47:42,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:47:42,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:47:42,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:47:42,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:47:42,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:47:42,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:47:42,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:47:42,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:47:42,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:47:42,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:47:42,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:47:42,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:47:42,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:47:42,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:47:42,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:47:42,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:47:42,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:47:42,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 12:47:42,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:47:42,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:47:42,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:47:42,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:47:42,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:47:42,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:47:42,784 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:47:42,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:47:42,784 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:47:42,784 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:47:42,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:47:42,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:47:42,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:47:42,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:47:42,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:47:42,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:47:42,786 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:47:42,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:47:42,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:47:42,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:47:42,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:47:42,787 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_2926ab78-0830-408d-9675-4e059adf3972/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90350df12f1ce4a976cde1970cc1d293481c4dc722341e9cfcaf1d32d8d84c65 [2022-12-14 12:47:43,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:47:43,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:47:43,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:47:43,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:47:43,036 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:47:43,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_66_bad.i [2022-12-14 12:47:45,661 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:47:45,904 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:47:45,905 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_66_bad.i [2022-12-14 12:47:45,917 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data/1e46838ee/f1c7f4503573471798e0782b3fca1ed5/FLAG42cf61a5e [2022-12-14 12:47:45,930 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/data/1e46838ee/f1c7f4503573471798e0782b3fca1ed5 [2022-12-14 12:47:45,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:47:45,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:47:45,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:47:45,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:47:45,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:47:45,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:47:45" (1/1) ... [2022-12-14 12:47:45,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6411a73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:45, skipping insertion in model container [2022-12-14 12:47:45,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:47:45" (1/1) ... [2022-12-14 12:47:45,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:47:45,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:47:46,242 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:47:46,550 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:47:46,555 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:46,557 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:46,559 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:46,559 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:46,578 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:47:46,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:47:46,591 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:47:46,604 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:47:46,636 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:47:46,637 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:46,638 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:47:46,639 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:46,640 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:47:46,643 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:47:46,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:47:46,732 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:47:46,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46 WrapperNode [2022-12-14 12:47:46,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:47:46,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:47:46,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:47:46,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:47:46,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,771 INFO L138 Inliner]: procedures = 505, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-12-14 12:47:46,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:47:46,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:47:46,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:47:46,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:47:46,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,790 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:47:46,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:47:46,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:47:46,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:47:46,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (1/1) ... [2022-12-14 12:47:46,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:47:46,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:47:46,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:47:46,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:47:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:47:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:47:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 12:47:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:47:46,975 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:47:46,977 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:47:47,098 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:47:47,103 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:47:47,104 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:47:47,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:47:47 BoogieIcfgContainer [2022-12-14 12:47:47,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:47:47,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:47:47,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:47:47,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:47:47,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:47:45" (1/3) ... [2022-12-14 12:47:47,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607dbf53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:47:47, skipping insertion in model container [2022-12-14 12:47:47,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:47:46" (2/3) ... [2022-12-14 12:47:47,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607dbf53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:47:47, skipping insertion in model container [2022-12-14 12:47:47,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:47:47" (3/3) ... [2022-12-14 12:47:47,114 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_66_bad.i [2022-12-14 12:47:47,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:47:47,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:47:47,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:47:47,173 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;@7a8124a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:47:47,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:47:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:47:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:47:47,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:47:47,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:47:47,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:47:47,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:47:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-14 12:47:47,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:47:47,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220047510] [2022-12-14 12:47:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:47:47,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:47:47,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:47:47,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:47:47,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 12:47:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:47:47,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:47:47,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:47:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:47:47,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:47:47,337 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:47:47,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220047510] [2022-12-14 12:47:47,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220047510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:47:47,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:47:47,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:47:47,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372087203] [2022-12-14 12:47:47,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:47:47,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:47:47,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:47:47,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:47:47,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:47:47,365 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:47:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:47:47,393 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-12-14 12:47:47,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:47:47,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 12:47:47,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:47:47,403 INFO L225 Difference]: With dead ends: 30 [2022-12-14 12:47:47,403 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 12:47:47,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:47:47,407 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:47:47,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:47:47,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 12:47:47,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 12:47:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:47:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 12:47:47,430 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-14 12:47:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:47:47,431 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 12:47:47,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:47:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 12:47:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:47:47,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:47:47,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:47:47,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:47:47,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:47:47,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:47:47,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:47:47,636 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-14 12:47:47,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:47:47,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378035660] [2022-12-14 12:47:47,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:47:47,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:47:47,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:47:47,642 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 12:47:47,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 12:47:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:47:47,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:47:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:47:47,871 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 12:47:47,871 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:47:47,872 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:47:47,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:47:47,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 12:47:48,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 12:47:48,085 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:47:48,096 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:47:48,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:47:48 BoogieIcfgContainer [2022-12-14 12:47:48,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:47:48,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:47:48,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:47:48,139 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:47:48,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:47:47" (3/4) ... [2022-12-14 12:47:48,141 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 12:47:48,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:47:48,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:47:48,170 INFO L158 Benchmark]: Toolchain (without parser) took 2236.11ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.2MB in the beginning and 55.0MB in the end (delta: 2.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-12-14 12:47:48,170 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:47:48,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.63ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.0MB in the beginning and 49.4MB in the end (delta: 7.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-12-14 12:47:48,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.77ms. Allocated memory is still 98.6MB. Free memory was 49.4MB in the beginning and 46.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:47:48,171 INFO L158 Benchmark]: Boogie Preprocessor took 22.39ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:47:48,171 INFO L158 Benchmark]: RCFGBuilder took 311.40ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 60.6MB in the end (delta: -16.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-14 12:47:48,171 INFO L158 Benchmark]: TraceAbstraction took 1030.66ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 57.5MB in the end (delta: 2.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-12-14 12:47:48,171 INFO L158 Benchmark]: Witness Printer took 29.96ms. Allocated memory is still 98.6MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:47:48,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.63ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.0MB in the beginning and 49.4MB in the end (delta: 7.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.77ms. Allocated memory is still 98.6MB. Free memory was 49.4MB in the beginning and 46.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.39ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.40ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 60.6MB in the end (delta: -16.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1030.66ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 57.5MB in the end (delta: 2.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 29.96ms. Allocated memory is still 98.6MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1571]: 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] [L1561] 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) [L1561] 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] [L1562] CALL CWE190_Integer_Overflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, dataArray={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=65536, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data > 0 VAL [data=2147483647, dataArray={7:0}, dataArray={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [data=2147483647, dataArray={7:0}, dataArray={7:0}, 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 12:47:48,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2926ab78-0830-408d-9675-4e059adf3972/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)