./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 682299bd1ca19b9d7ea9517df667858b990577cec4d3806cdf29e71e90747eca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:28,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:28,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:23:28,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:28,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:28,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:28,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:28,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:28,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:28,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:28,436 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:28,437 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:28,438 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:28,440 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:28,440 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:28,441 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:28,442 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:28,442 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:28,443 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:28,443 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:28,444 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:28,445 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:28,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:28,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:28,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:28,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:28,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:28,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:28,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:28,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:23:28,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:23:28,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:28,453 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:28,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:28,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:28,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:28,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:28,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:28,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:28,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:28,456 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:28,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:28,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:28,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:28,458 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:28,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:28,459 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 682299bd1ca19b9d7ea9517df667858b990577cec4d3806cdf29e71e90747eca [2023-11-23 21:23:28,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:28,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:28,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:28,795 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:28,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:28,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_68_bad.i [2023-11-23 21:23:32,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:32,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:32,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_68_bad.i [2023-11-23 21:23:32,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data/064e933f9/e119263f45be4d7198f20daae5d267ed/FLAG04fadb317 [2023-11-23 21:23:32,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data/064e933f9/e119263f45be4d7198f20daae5d267ed [2023-11-23 21:23:32,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:32,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:32,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:32,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:32,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:32,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:32" (1/1) ... [2023-11-23 21:23:32,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ae66bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:32, skipping insertion in model container [2023-11-23 21:23:32,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:32" (1/1) ... [2023-11-23 21:23:32,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:32,994 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:23:33,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:33,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:33,706 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:23:33,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:33,906 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:33,907 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:33,907 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:33,907 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:33,907 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:33,916 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:33,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33 WrapperNode [2023-11-23 21:23:33,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:33,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:33,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:33,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:33,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:33,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,037 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 89 [2023-11-23 21:23:34,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:34,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:34,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:34,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:34,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:34,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:34,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:34,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:34,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (1/1) ... [2023-11-23 21:23:34,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:34,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:34,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:34,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:34,185 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:23:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:23:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:23:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:34,337 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:34,338 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:34,598 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:34,877 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:34,878 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:23:34,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:34 BoogieIcfgContainer [2023-11-23 21:23:34,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:34,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:34,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:34,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:34,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:32" (1/3) ... [2023-11-23 21:23:34,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa59bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:34, skipping insertion in model container [2023-11-23 21:23:34,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:33" (2/3) ... [2023-11-23 21:23:34,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa59bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:34, skipping insertion in model container [2023-11-23 21:23:34,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:34" (3/3) ... [2023-11-23 21:23:34,894 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_68_bad.i [2023-11-23 21:23:34,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:34,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:23:34,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:34,966 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=LoopHeads, 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;@37727910, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:34,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:23:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:23:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 21:23:34,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:34,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 21:23:34,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:23:34,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash -216623793, now seen corresponding path program 1 times [2023-11-23 21:23:34,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:34,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733691307] [2023-11-23 21:23:34,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:34,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:35,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:35,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733691307] [2023-11-23 21:23:35,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733691307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:35,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:35,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:35,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20342759] [2023-11-23 21:23:35,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:35,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:35,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:35,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:35,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:35,725 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:35,788 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-23 21:23:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2023-11-23 21:23:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:35,799 INFO L225 Difference]: With dead ends: 12 [2023-11-23 21:23:35,799 INFO L226 Difference]: Without dead ends: 8 [2023-11-23 21:23:35,803 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 [2023-11-23 21:23:35,808 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:35,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-23 21:23:35,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-23 21:23:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-23 21:23:35,847 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-23 21:23:35,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:35,847 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-23 21:23:35,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-23 21:23:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:23:35,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:35,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:35,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:35,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:23:35,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:35,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1874597130, now seen corresponding path program 1 times [2023-11-23 21:23:35,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:35,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287644270] [2023-11-23 21:23:35,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:35,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:36,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:23:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:36,181 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:23:36,181 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:23:36,184 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 21:23:36,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 21:23:36,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:36,191 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:23:36,195 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:36,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:36 BoogieIcfgContainer [2023-11-23 21:23:36,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:36,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:36,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:36,234 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:36,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:34" (3/4) ... [2023-11-23 21:23:36,237 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:23:36,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:36,239 INFO L158 Benchmark]: Toolchain (without parser) took 3755.54ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 74.1MB in the beginning and 85.1MB in the end (delta: -10.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-23 21:23:36,240 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:36,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1432.01ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 74.1MB in the beginning and 76.0MB in the end (delta: -1.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-23 21:23:36,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.92ms. Allocated memory is still 151.0MB. Free memory was 76.0MB in the beginning and 72.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:36,248 INFO L158 Benchmark]: Boogie Preprocessor took 59.42ms. Allocated memory is still 151.0MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:36,249 INFO L158 Benchmark]: RCFGBuilder took 782.24ms. Allocated memory is still 151.0MB. Free memory was 71.5MB in the beginning and 94.2MB in the end (delta: -22.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:23:36,249 INFO L158 Benchmark]: TraceAbstraction took 1349.62ms. Allocated memory is still 151.0MB. Free memory was 93.2MB in the beginning and 85.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:36,250 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 151.0MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:36,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1432.01ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 74.1MB in the beginning and 76.0MB in the end (delta: -1.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.92ms. Allocated memory is still 151.0MB. Free memory was 76.0MB in the beginning and 72.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.42ms. Allocated memory is still 151.0MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 782.24ms. Allocated memory is still 151.0MB. Free memory was 71.5MB in the beginning and 94.2MB in the end (delta: -22.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1349.62ms. Allocated memory is still 151.0MB. Free memory was 93.2MB in the beginning and 85.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 151.0MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_add_68_badData; [L1563] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=4294967300, argc=4294967300, argv={4294967302:4294967301}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_rand_add_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE190_Integer_Overflow__int_rand_add_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_rand_add_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_rand_add_68_badData; VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data + 1 VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:23:36,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 682299bd1ca19b9d7ea9517df667858b990577cec4d3806cdf29e71e90747eca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:38,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:39,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:23:39,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:39,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:39,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:39,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:39,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:39,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:39,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:39,183 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:39,183 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:39,184 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:39,186 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:39,186 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:39,187 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:39,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:39,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:39,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:39,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:39,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:39,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:39,192 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:23:39,193 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:23:39,193 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:23:39,194 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:23:39,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:23:39,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:39,195 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:39,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:39,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:23:39,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:39,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:39,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:39,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:39,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:39,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:39,200 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:23:39,200 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:39,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:39,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:39,202 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:39,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:39,203 INFO L153 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_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 682299bd1ca19b9d7ea9517df667858b990577cec4d3806cdf29e71e90747eca [2023-11-23 21:23:39,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:39,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:39,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:39,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:39,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:39,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_68_bad.i [2023-11-23 21:23:42,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:43,323 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:43,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_68_bad.i [2023-11-23 21:23:43,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data/0cd26543c/b0ae4d174606403394bdb2b06f249691/FLAGa9597bf27 [2023-11-23 21:23:43,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/data/0cd26543c/b0ae4d174606403394bdb2b06f249691 [2023-11-23 21:23:43,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:43,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:43,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:43,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:43,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:43,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:43,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124cc348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:43, skipping insertion in model container [2023-11-23 21:23:43,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:43" (1/1) ... [2023-11-23 21:23:43,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:44,012 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:23:44,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:44,829 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:44,863 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:23:44,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:45,118 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:45,119 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:45,119 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:45,119 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:45,120 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:45,128 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:45,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45 WrapperNode [2023-11-23 21:23:45,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:45,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:45,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:45,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:45,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,203 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-23 21:23:45,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:45,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:45,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:45,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:45,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:45,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:45,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:45,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:45,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (1/1) ... [2023-11-23 21:23:45,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:45,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:45,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:45,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:23:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:23:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:23:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:23:45,544 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:45,547 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:45,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:45,782 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:45,783 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:23:45,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:45 BoogieIcfgContainer [2023-11-23 21:23:45,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:45,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:45,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:45,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:45,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:43" (1/3) ... [2023-11-23 21:23:45,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610edb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:45, skipping insertion in model container [2023-11-23 21:23:45,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:45" (2/3) ... [2023-11-23 21:23:45,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610edb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:45, skipping insertion in model container [2023-11-23 21:23:45,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:45" (3/3) ... [2023-11-23 21:23:45,798 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_68_bad.i [2023-11-23 21:23:45,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:45,818 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:23:45,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:45,880 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=LoopHeads, 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;@705dc9ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:45,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:23:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-11-23 21:23:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:23:45,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:45,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:45,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:23:45,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:45,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1302384734, now seen corresponding path program 1 times [2023-11-23 21:23:45,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:45,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008051907] [2023-11-23 21:23:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:45,951 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 [2023-11-23 21:23:45,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:45,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:23:45,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:46,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:23:46,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:46,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:46,123 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:46,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008051907] [2023-11-23 21:23:46,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008051907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:46,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:46,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 21:23:46,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571752802] [2023-11-23 21:23:46,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:46,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:46,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:46,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:46,171 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-23 21:23:46,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:46,204 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-23 21:23:46,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:46,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2023-11-23 21:23:46,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:46,214 INFO L225 Difference]: With dead ends: 16 [2023-11-23 21:23:46,215 INFO L226 Difference]: Without dead ends: 12 [2023-11-23 21:23:46,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:46,222 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:46,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:46,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-23 21:23:46,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-23 21:23:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:23:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2023-11-23 21:23:46,260 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2023-11-23 21:23:46,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:46,261 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2023-11-23 21:23:46,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-23 21:23:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-23 21:23:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:23:46,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:46,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:46,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:46,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:46,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:23:46,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:46,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1719221037, now seen corresponding path program 1 times [2023-11-23 21:23:46,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:46,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645607461] [2023-11-23 21:23:46,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:46,468 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 [2023-11-23 21:23:46,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:46,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:23:46,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:46,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:23:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:46,653 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:23:46,653 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:23:46,655 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 21:23:46,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 21:23:46,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:46,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:46,861 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:23:46,865 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:46,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-23 21:23:46,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-23 21:23:46,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-23 21:23:46,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-23 21:23:46,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-23 21:23:46,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:46 BoogieIcfgContainer [2023-11-23 21:23:46,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:46,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:46,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:46,897 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:46,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:45" (3/4) ... [2023-11-23 21:23:46,898 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:23:46,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-23 21:23:46,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-23 21:23:46,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-23 21:23:46,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-23 21:23:46,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-23 21:23:46,949 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:23:46,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:46,951 INFO L158 Benchmark]: Toolchain (without parser) took 3566.54ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 44.3MB in the end (delta: 26.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-23 21:23:46,951 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:46,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1741.35ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 65.3MB in the end (delta: 5.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:46,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.35ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 62.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:46,953 INFO L158 Benchmark]: Boogie Preprocessor took 37.18ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 60.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:46,953 INFO L158 Benchmark]: RCFGBuilder took 542.83ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 45.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:23:46,954 INFO L158 Benchmark]: TraceAbstraction took 1108.70ms. Allocated memory is still 98.6MB. Free memory was 44.3MB in the beginning and 47.0MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:46,954 INFO L158 Benchmark]: Witness Printer took 53.89ms. Allocated memory is still 98.6MB. Free memory was 47.0MB in the beginning and 44.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:46,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1741.35ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 65.3MB in the end (delta: 5.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.35ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 62.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.18ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 60.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.83ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 45.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1108.70ms. Allocated memory is still 98.6MB. Free memory was 44.3MB in the beginning and 47.0MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.89ms. Allocated memory is still 98.6MB. Free memory was 47.0MB in the beginning and 44.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1575]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_add_68_badData; [L1550] int CWE190_Integer_Overflow__int_rand_add_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=0, CWE190_Integer_Overflow__int_rand_add_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=0, CWE190_Integer_Overflow__int_rand_add_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_rand_add_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=0, CWE190_Integer_Overflow__int_rand_add_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE190_Integer_Overflow__int_rand_add_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_rand_add_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_rand_add_68_badData; VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_add_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data + 1 VAL [CWE190_Integer_Overflow__int_rand_add_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_add_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 21:23:46,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308c0623-8ae4-411d-8898-02b06df3dcf9/bin/utaipan-verify-mE87zJ7Ire/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)