./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91 --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 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:00,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:00,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:21:00,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:00,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:00,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:00,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:00,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:00,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:00,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:00,520 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:00,521 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:00,522 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:00,524 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:21:00,525 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:00,525 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:00,526 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:21:00,526 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:21:00,526 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:00,527 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:21:00,527 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:21:00,528 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:21:00,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:00,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:00,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:21:00,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:00,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:00,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:00,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:00,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:21:00,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:21:00,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:00,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:00,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:00,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:00,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:00,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:00,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:00,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:00,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:00,544 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:21:00,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:21:00,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:00,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:00,545 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:00,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:00,546 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_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf [2023-11-24 23:21:00,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:00,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:00,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:00,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:00,983 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:00,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2023-11-24 23:21:04,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:21:04,498 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:21:04,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2023-11-24 23:21:04,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data/42d1c4b72/464d7828025045d089564fa2c0a09809/FLAG87dfd267c [2023-11-24 23:21:04,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data/42d1c4b72/464d7828025045d089564fa2c0a09809 [2023-11-24 23:21:04,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:21:04,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:21:04,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:04,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:21:04,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:21:04,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:04" (1/1) ... [2023-11-24 23:21:04,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c4faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:04, skipping insertion in model container [2023-11-24 23:21:04,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:04" (1/1) ... [2023-11-24 23:21:04,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:05,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:05,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:21:05,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:05,930 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:05,931 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:05,931 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:05,931 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:05,941 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:21:05,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05 WrapperNode [2023-11-24 23:21:05,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:05,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:05,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:21:05,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:21:05,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,063 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-11-24 23:21:06,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:06,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:21:06,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:21:06,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:21:06,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:21:06,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:21:06,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:21:06,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:21:06,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (1/1) ... [2023-11-24 23:21:06,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:06,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:06,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:21:06,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:21:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:21:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:21:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:21:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:21:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:21:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:21:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:21:06,392 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:21:06,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:21:06,595 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:21:06,889 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:21:06,890 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:21:06,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:06 BoogieIcfgContainer [2023-11-24 23:21:06,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:21:06,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:21:06,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:21:06,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:21:06,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:21:04" (1/3) ... [2023-11-24 23:21:06,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3eb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:06, skipping insertion in model container [2023-11-24 23:21:06,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:05" (2/3) ... [2023-11-24 23:21:06,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3eb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:06, skipping insertion in model container [2023-11-24 23:21:06,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:06" (3/3) ... [2023-11-24 23:21:06,905 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2023-11-24 23:21:06,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:21:06,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:21:06,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:21:06,971 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;@4a494441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:21:06,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:21:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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) [2023-11-24 23:21:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:21:06,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:06,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:06,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:21:06,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:06,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1059573997, now seen corresponding path program 1 times [2023-11-24 23:21:06,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:07,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877959614] [2023-11-24 23:21:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:07,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:07,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:21:07,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877959614] [2023-11-24 23:21:07,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877959614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:07,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:07,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:21:07,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191928002] [2023-11-24 23:21:07,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:07,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:21:07,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:21:07,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:21:07,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:07,525 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:21:07,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:07,576 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-24 23:21:07,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:21:07,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-24 23:21:07,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:07,588 INFO L225 Difference]: With dead ends: 16 [2023-11-24 23:21:07,590 INFO L226 Difference]: Without dead ends: 10 [2023-11-24 23:21:07,594 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 [2023-11-24 23:21:07,600 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:07,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 16 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:21:07,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-24 23:21:07,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-24 23:21:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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) [2023-11-24 23:21:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2023-11-24 23:21:07,643 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 8 [2023-11-24 23:21:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:07,644 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2023-11-24 23:21:07,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:21:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-11-24 23:21:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:21:07,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:07,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:07,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:21:07,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:21:07,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:07,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1512944594, now seen corresponding path program 1 times [2023-11-24 23:21:07,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:07,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676174812] [2023-11-24 23:21:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:07,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:21:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:08,076 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:21:08,076 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:21:08,078 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:21:08,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:21:08,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:21:08,085 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:21:08,089 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:21:08,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 23:21:08,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-24 23:21:08,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-24 23:21:08,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-24 23:21:08,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:21:08 BoogieIcfgContainer [2023-11-24 23:21:08,135 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:21:08,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:21:08,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:21:08,136 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:21:08,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:06" (3/4) ... [2023-11-24 23:21:08,138 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:21:08,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:21:08,140 INFO L158 Benchmark]: Toolchain (without parser) took 3592.08ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 116.9MB in the beginning and 108.8MB in the end (delta: 8.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:08,140 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:08,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.89ms. Allocated memory is still 151.0MB. Free memory was 116.9MB in the beginning and 107.2MB in the end (delta: 9.7MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-11-24 23:21:08,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.97ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 114.2MB in the end (delta: -7.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-24 23:21:08,148 INFO L158 Benchmark]: Boogie Preprocessor took 33.67ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:08,149 INFO L158 Benchmark]: RCFGBuilder took 784.68ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 70.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 23:21:08,149 INFO L158 Benchmark]: TraceAbstraction took 1238.83ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 70.1MB in the beginning and 108.8MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:08,149 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 182.5MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:08,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.89ms. Allocated memory is still 151.0MB. Free memory was 116.9MB in the beginning and 107.2MB in the end (delta: 9.7MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.97ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 114.2MB in the end (delta: -7.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.67ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 784.68ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 70.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1238.83ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 70.1MB in the beginning and 108.8MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 182.5MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet111 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569, overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1561]: 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, 15 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 14 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=15occurred 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, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 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 [2023-11-24 23:21:08,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91 --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 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:11,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:11,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:21:11,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:11,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:11,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:11,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:11,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:11,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:11,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:11,243 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:11,243 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:11,244 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:11,245 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:11,246 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:11,246 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:11,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:11,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:11,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:11,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:11,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:11,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:11,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:21:11,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:21:11,252 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:21:11,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:21:11,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:21:11,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:11,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:11,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:11,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:21:11,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:11,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:11,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:11,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:11,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:11,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:11,258 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:21:11,258 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:21:11,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:11,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:11,260 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:11,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:11,261 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_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fef06684042f90860aeac396622c52edd3d0b7b2e0a363a6755a37d0209cdf [2023-11-24 23:21:11,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:11,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:11,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:11,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:11,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:11,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2023-11-24 23:21:15,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:21:15,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:21:15,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2023-11-24 23:21:15,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data/bf513726b/13cfbaca140544a99f9d731781f19f67/FLAG48497afea [2023-11-24 23:21:15,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/data/bf513726b/13cfbaca140544a99f9d731781f19f67 [2023-11-24 23:21:15,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:21:15,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:21:15,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:15,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:21:15,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:21:15,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:15" (1/1) ... [2023-11-24 23:21:15,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c20e4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:15, skipping insertion in model container [2023-11-24 23:21:15,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:15" (1/1) ... [2023-11-24 23:21:15,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:16,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:16,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:21:16,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:16,986 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:16,987 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:16,987 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:16,987 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:21:16,997 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:21:16,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16 WrapperNode [2023-11-24 23:21:16,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:16,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:16,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:21:17,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:21:17,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,092 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-24 23:21:17,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:17,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:21:17,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:21:17,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:21:17,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:21:17,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:21:17,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:21:17,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:21:17,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (1/1) ... [2023-11-24 23:21:17,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:17,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:17,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:21:17,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:21:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:21:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:21:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:21:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:21:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:21:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:21:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:21:17,484 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:21:17,486 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:21:17,626 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:21:17,657 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:21:17,658 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:21:17,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:17 BoogieIcfgContainer [2023-11-24 23:21:17,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:21:17,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:21:17,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:21:17,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:21:17,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:21:15" (1/3) ... [2023-11-24 23:21:17,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5516d570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:17, skipping insertion in model container [2023-11-24 23:21:17,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:16" (2/3) ... [2023-11-24 23:21:17,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5516d570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:17, skipping insertion in model container [2023-11-24 23:21:17,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:17" (3/3) ... [2023-11-24 23:21:17,667 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_06_bad.i [2023-11-24 23:21:17,685 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:21:17,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:21:17,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:21:17,738 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;@13da08e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:21:17,738 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:21:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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) [2023-11-24 23:21:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:21:17,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:17,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:17,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:21:17,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:17,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1126768154, now seen corresponding path program 1 times [2023-11-24 23:21:17,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:17,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954015759] [2023-11-24 23:21:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:17,771 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 [2023-11-24 23:21:17,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:17,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:21:17,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:17,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:21:17,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:17,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:17,982 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:17,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954015759] [2023-11-24 23:21:17,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954015759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:17,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:17,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:21:17,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380733970] [2023-11-24 23:21:17,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:17,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:21:17,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:18,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:21:18,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:18,031 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2023-11-24 23:21:18,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:18,102 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2023-11-24 23:21:18,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:21:18,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 [2023-11-24 23:21:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:18,112 INFO L225 Difference]: With dead ends: 42 [2023-11-24 23:21:18,113 INFO L226 Difference]: Without dead ends: 16 [2023-11-24 23:21:18,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:18,119 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:18,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 43 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:21:18,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-24 23:21:18,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-24 23:21:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:21:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2023-11-24 23:21:18,157 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2023-11-24 23:21:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:18,158 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2023-11-24 23:21:18,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2023-11-24 23:21:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-24 23:21:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:21:18,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:18,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:18,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:18,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:18,364 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:21:18,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:18,365 INFO L85 PathProgramCache]: Analyzing trace with hash -759605941, now seen corresponding path program 1 times [2023-11-24 23:21:18,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:18,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619988809] [2023-11-24 23:21:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:18,366 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 [2023-11-24 23:21:18,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:18,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:21:18,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:18,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:21:18,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:21:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:18,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:21:18,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:21:18,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619988809] [2023-11-24 23:21:18,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619988809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:18,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:18,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:21:18,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812681172] [2023-11-24 23:21:18,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:18,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:21:18,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:21:18,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:21:18,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:18,556 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:21:18,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:18,583 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2023-11-24 23:21:18,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:21:18,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-24 23:21:18,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:18,585 INFO L225 Difference]: With dead ends: 16 [2023-11-24 23:21:18,585 INFO L226 Difference]: Without dead ends: 15 [2023-11-24 23:21:18,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:18,589 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:18,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:21:18,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-24 23:21:18,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-24 23:21:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-11-24 23:21:18,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-11-24 23:21:18,598 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2023-11-24 23:21:18,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:18,599 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-24 23:21:18,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:21:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-24 23:21:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:21:18,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:18,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:18,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:18,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:18,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:21:18,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:18,805 INFO L85 PathProgramCache]: Analyzing trace with hash -2072947626, now seen corresponding path program 1 times [2023-11-24 23:21:18,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:21:18,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25372413] [2023-11-24 23:21:18,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:18,806 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 [2023-11-24 23:21:18,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:21:18,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:21:18,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 (4)] Waiting until timeout for monitored process [2023-11-24 23:21:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:18,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:21:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:19,005 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:21:19,006 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:21:19,008 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:21:19,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:21:19,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:19,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:21:19,219 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-24 23:21:19,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:21:19,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 23:21:19,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated [2023-11-24 23:21:19,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-24 23:21:19,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-24 23:21:19,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-24 23:21:19,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-24 23:21:19,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:21:19 BoogieIcfgContainer [2023-11-24 23:21:19,266 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:21:19,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:21:19,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:21:19,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:21:19,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:17" (3/4) ... [2023-11-24 23:21:19,273 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:21:19,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:21:19,276 INFO L158 Benchmark]: Toolchain (without parser) took 3701.93ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 45.8MB in the beginning and 62.9MB in the end (delta: -17.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-24 23:21:19,276 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:19,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.31ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.6MB in the beginning and 58.1MB in the end (delta: -12.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-24 23:21:19,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.71ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 55.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:19,285 INFO L158 Benchmark]: Boogie Preprocessor took 90.49ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 53.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:19,286 INFO L158 Benchmark]: RCFGBuilder took 473.78ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 59.0MB in the end (delta: -5.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-24 23:21:19,287 INFO L158 Benchmark]: TraceAbstraction took 1605.30ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 63.5MB in the end (delta: -5.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-24 23:21:19,288 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:19,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.31ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.6MB in the beginning and 58.1MB in the end (delta: -12.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.71ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 55.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.49ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 53.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.78ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 59.0MB in the end (delta: -5.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1605.30ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 63.5MB in the end (delta: -5.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet105 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_rand_multiply_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] 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, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1561]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 38 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2023-11-24 23:21:19,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760eeb6a-549d-4210-8b1f-f7e47413be60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample