./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ --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 7167e22e5713f4c4c87a7ec24531ada69c7e3b477155d94615594039c76b63e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:50:51,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:50:51,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:50:51,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:50:51,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:50:51,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:50:51,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:50:51,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:50:51,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:50:51,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:50:51,283 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:50:51,284 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:50:51,284 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:50:51,285 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:50:51,285 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:50:51,289 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:50:51,289 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:50:51,289 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:50:51,290 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:50:51,290 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:50:51,291 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:50:51,291 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:50:51,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:50:51,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:50:51,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:50:51,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:50:51,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:50:51,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:50:51,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:50:51,296 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:50:51,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:50:51,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:50:51,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:50:51,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:50:51,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:50:51,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:51,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:50:51,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:50:51,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:50:51,312 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:50:51,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:50:51,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:50:51,313 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:50:51,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:50:51,314 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_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7167e22e5713f4c4c87a7ec24531ada69c7e3b477155d94615594039c76b63e8 [2023-11-19 04:50:51,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:50:51,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:50:51,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:50:51,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:50:51,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:50:51,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_53_bad.i [2023-11-19 04:50:54,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:50:55,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:50:55,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_53_bad.i [2023-11-19 04:50:55,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data/f6f8b2e1f/82750459f0394a6297705e8add009a77/FLAGfc5d6e1f0 [2023-11-19 04:50:55,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data/f6f8b2e1f/82750459f0394a6297705e8add009a77 [2023-11-19 04:50:55,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:50:55,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:50:55,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:55,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:50:55,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:50:55,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:55" (1/1) ... [2023-11-19 04:50:55,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6ed844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:55, skipping insertion in model container [2023-11-19 04:50:55,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:55" (1/1) ... [2023-11-19 04:50:55,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:50:55,926 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:50:56,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:56,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:50:56,611 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:50:56,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:56,834 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:56,834 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:56,835 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:56,835 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:56,835 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:56,843 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:50:56,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56 WrapperNode [2023-11-19 04:50:56,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:56,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:56,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:50:56,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:50:56,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,946 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-19 04:50:56,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:56,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:50:56,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:50:56,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:50:56,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:50:56,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:50:56,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:50:56,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:50:56,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (1/1) ... [2023-11-19 04:50:56,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:57,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:50:57,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:50:57,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:50:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:50:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:50:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:50:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:50:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:50:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:50:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:50:57,329 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:50:57,331 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:50:57,597 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:50:57,796 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:50:57,796 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:50:57,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:57 BoogieIcfgContainer [2023-11-19 04:50:57,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:50:57,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:50:57,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:50:57,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:50:57,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:50:55" (1/3) ... [2023-11-19 04:50:57,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e3999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:57, skipping insertion in model container [2023-11-19 04:50:57,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:56" (2/3) ... [2023-11-19 04:50:57,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e3999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:57, skipping insertion in model container [2023-11-19 04:50:57,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:57" (3/3) ... [2023-11-19 04:50:57,811 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_53_bad.i [2023-11-19 04:50:57,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:50:57,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:50:57,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:50:57,891 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;@40f3b1d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:50:57,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:50:57,896 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) [2023-11-19 04:50:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:50:57,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:50:57,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:50:57,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 04:50:57,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:50:57,917 INFO L85 PathProgramCache]: Analyzing trace with hash 16107529, now seen corresponding path program 1 times [2023-11-19 04:50:57,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:50:57,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447256019] [2023-11-19 04:50:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:50:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:50:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:50:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:50:58,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:50:58,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447256019] [2023-11-19 04:50:58,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447256019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:50:58,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:50:58,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:50:58,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706439915] [2023-11-19 04:50:58,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:50:58,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:50:58,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:50:58,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:50:58,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:50:58,699 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) [2023-11-19 04:50:58,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:50:58,740 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-19 04:50:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:50:58,743 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 [2023-11-19 04:50:58,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:50:58,750 INFO L225 Difference]: With dead ends: 12 [2023-11-19 04:50:58,750 INFO L226 Difference]: Without dead ends: 8 [2023-11-19 04:50:58,753 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 [2023-11-19 04:50:58,757 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 [2023-11-19 04:50:58,758 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] [2023-11-19 04:50:58,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-19 04:50:58,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-19 04:50:58,790 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) [2023-11-19 04:50:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-19 04:50:58,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-19 04:50:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:50:58,793 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-19 04:50:58,793 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) [2023-11-19 04:50:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-19 04:50:58,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:50:58,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:50:58,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:50:58,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:50:58,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 04:50:58,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:50:58,795 INFO L85 PathProgramCache]: Analyzing trace with hash 499333520, now seen corresponding path program 1 times [2023-11-19 04:50:58,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:50:58,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339730151] [2023-11-19 04:50:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:50:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:50:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:50:58,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:50:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:50:59,123 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:50:59,124 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:50:59,127 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 04:50:59,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 04:50:59,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:50:59,134 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 04:50:59,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:50:59,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:50:59 BoogieIcfgContainer [2023-11-19 04:50:59,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:50:59,176 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:50:59,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:50:59,178 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:50:59,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:57" (3/4) ... [2023-11-19 04:50:59,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:50:59,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:50:59,182 INFO L158 Benchmark]: Toolchain (without parser) took 3786.30ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 125.3MB in the beginning and 93.8MB in the end (delta: 31.4MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2023-11-19 04:50:59,183 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:50:59,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.97ms. Allocated memory is still 157.3MB. Free memory was 125.3MB in the beginning and 113.2MB in the end (delta: 12.0MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-19 04:50:59,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.01ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 109.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:50:59,191 INFO L158 Benchmark]: Boogie Preprocessor took 29.98ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 108.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:50:59,192 INFO L158 Benchmark]: RCFGBuilder took 822.93ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 70.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 04:50:59,192 INFO L158 Benchmark]: TraceAbstraction took 1372.07ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 69.4MB in the beginning and 93.8MB in the end (delta: -24.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-19 04:50:59,193 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 188.7MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:50:59,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.97ms. Allocated memory is still 157.3MB. Free memory was 125.3MB in the beginning and 113.2MB in the end (delta: 12.0MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.01ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 109.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.98ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 108.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 822.93ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 70.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1372.07ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 69.4MB in the beginning and 93.8MB in the end (delta: -24.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 188.7MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=4294967298, argc=4294967298, argv={4294967300:4294967299}, argv={4294967300:4294967299}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_add_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_add_53d_badSink(data) [L1577] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1577]: 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: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, 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, 0.2s 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 [2023-11-19 04:50:59,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ --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 7167e22e5713f4c4c87a7ec24531ada69c7e3b477155d94615594039c76b63e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:51:01,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:51:02,056 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 04:51:02,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:51:02,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:51:02,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:51:02,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:51:02,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:51:02,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:51:02,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:51:02,116 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:51:02,117 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:51:02,117 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:51:02,119 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:51:02,120 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:51:02,120 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:51:02,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:51:02,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:51:02,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:51:02,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:51:02,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:51:02,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:51:02,125 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:51:02,125 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:51:02,125 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:51:02,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:51:02,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:51:02,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:51:02,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:51:02,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:51:02,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:51:02,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:51:02,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:02,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:51:02,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:51:02,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:51:02,131 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:51:02,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:51:02,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:51:02,133 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:51:02,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:51:02,133 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_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7167e22e5713f4c4c87a7ec24531ada69c7e3b477155d94615594039c76b63e8 [2023-11-19 04:51:02,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:51:02,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:51:02,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:51:02,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:51:02,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:51:02,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_53_bad.i [2023-11-19 04:51:05,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:51:06,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:51:06,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_53_bad.i [2023-11-19 04:51:06,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data/157cb3f74/1f2a1747d8ab4559a6bdb4941935eedc/FLAG27a246b0f [2023-11-19 04:51:06,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/data/157cb3f74/1f2a1747d8ab4559a6bdb4941935eedc [2023-11-19 04:51:06,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:51:06,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:51:06,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:06,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:51:06,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:51:06,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:06" (1/1) ... [2023-11-19 04:51:06,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599910b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:06, skipping insertion in model container [2023-11-19 04:51:06,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:06" (1/1) ... [2023-11-19 04:51:06,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:51:07,020 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:51:07,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:07,609 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:51:07,634 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:51:07,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:07,942 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:51:07,942 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:51:07,942 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:51:07,943 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:51:07,943 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:51:07,953 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:51:07,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07 WrapperNode [2023-11-19 04:51:07,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:07,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:07,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:51:07,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:51:07,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,070 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 60 [2023-11-19 04:51:08,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:08,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:51:08,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:51:08,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:51:08,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:51:08,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:51:08,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:51:08,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:51:08,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (1/1) ... [2023-11-19 04:51:08,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:08,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:08,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:51:08,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:51:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:51:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:51:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:51:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:51:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:51:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:51:08,424 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:51:08,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:51:08,577 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:51:08,586 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:51:08,593 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:51:08,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:08 BoogieIcfgContainer [2023-11-19 04:51:08,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:51:08,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:51:08,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:51:08,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:51:08,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:51:06" (1/3) ... [2023-11-19 04:51:08,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5c25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:08, skipping insertion in model container [2023-11-19 04:51:08,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:07" (2/3) ... [2023-11-19 04:51:08,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5c25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:08, skipping insertion in model container [2023-11-19 04:51:08,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:08" (3/3) ... [2023-11-19 04:51:08,612 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_53_bad.i [2023-11-19 04:51:08,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:51:08,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:51:08,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:51:08,720 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;@5d57f6d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:51:08,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:51:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:51:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:51:08,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:08,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:51:08,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 04:51:08,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2097189038, now seen corresponding path program 1 times [2023-11-19 04:51:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:51:08,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743343754] [2023-11-19 04:51:08,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:08,795 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 [2023-11-19 04:51:08,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:51:08,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:51:08,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:51:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:09,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:51:09,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:51:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:51:09,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:51:09,055 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:51:09,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743343754] [2023-11-19 04:51:09,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743343754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:51:09,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:51:09,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 04:51:09,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618132663] [2023-11-19 04:51:09,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:51:09,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:51:09,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:51:09,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:51:09,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:51:09,105 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:51:09,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:51:09,128 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2023-11-19 04:51:09,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:51:09,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-19 04:51:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:51:09,143 INFO L225 Difference]: With dead ends: 24 [2023-11-19 04:51:09,143 INFO L226 Difference]: Without dead ends: 13 [2023-11-19 04:51:09,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:51:09,152 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:51:09,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:51:09,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-19 04:51:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-19 04:51:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:51:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-11-19 04:51:09,193 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2023-11-19 04:51:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:51:09,194 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-19 04:51:09,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:51:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 04:51:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:51:09,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:09,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:51:09,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:51:09,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:51:09,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 04:51:09,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:09,401 INFO L85 PathProgramCache]: Analyzing trace with hash 588350791, now seen corresponding path program 1 times [2023-11-19 04:51:09,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:51:09,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531526785] [2023-11-19 04:51:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:09,403 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 [2023-11-19 04:51:09,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:51:09,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:51:09,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:51:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:51:09,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:51:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:51:09,608 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-19 04:51:09,609 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:51:09,611 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 04:51:09,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 04:51:09,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:51:09,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:51:09,826 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 04:51:09,831 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:51:09,856 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 04:51:09,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-19 04:51:09,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-19 04:51:09,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-19 04:51:09,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-19 04:51:09,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:51:09 BoogieIcfgContainer [2023-11-19 04:51:09,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:51:09,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:51:09,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:51:09,881 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:51:09,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:08" (3/4) ... [2023-11-19 04:51:09,883 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:51:09,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-19 04:51:09,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-19 04:51:09,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 04:51:09,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-19 04:51:09,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-19 04:51:09,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:51:09,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:51:09,971 INFO L158 Benchmark]: Toolchain (without parser) took 3463.58ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 48.0MB in the end (delta: 2.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-19 04:51:09,971 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:51:09,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.37ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.2MB in the beginning and 69.8MB in the end (delta: -19.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-19 04:51:09,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.39ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 66.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:51:09,972 INFO L158 Benchmark]: Boogie Preprocessor took 80.33ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:09,973 INFO L158 Benchmark]: RCFGBuilder took 445.34ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 51.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:51:09,973 INFO L158 Benchmark]: TraceAbstraction took 1277.42ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 50.9MB in the end (delta: -575.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:51:09,974 INFO L158 Benchmark]: Witness Printer took 89.09ms. Allocated memory is still 102.8MB. Free memory was 50.9MB in the beginning and 48.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:09,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.37ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.2MB in the beginning and 69.8MB in the end (delta: -19.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.39ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 66.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.33ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.34ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 51.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1277.42ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 50.9MB in the end (delta: -575.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.09ms. Allocated memory is still 102.8MB. Free memory was 50.9MB in the beginning and 48.0MB in the end (delta: 2.9MB). 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~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 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 Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 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~nondet96 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. * 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: 1577]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [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] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_add_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_add_53d_badSink(data) [L1577] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1577]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 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! [2023-11-19 04:51:10,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d02882-18a9-492b-be45-e164bc38a104/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)