./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje --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 e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:08:01,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:01,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 07:08:01,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:01,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:01,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:01,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:01,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:01,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:01,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:01,705 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:08:01,705 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:08:01,706 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:08:01,706 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:08:01,707 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:08:01,707 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:08:01,707 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:08:01,711 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:08:01,711 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:08:01,712 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:08:01,712 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:08:01,713 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:08:01,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:01,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:01,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:08:01,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:01,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:01,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:01,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:01,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:01,716 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:08:01,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:08:01,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:01,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:01,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:01,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:08:01,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:01,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:01,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:01,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:01,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:01,727 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:08:01,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:08:01,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:01,728 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:08:01,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:08:01,729 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_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 [2024-11-09 07:08:02,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:02,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:02,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:02,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:02,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:02,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i Unable to find full path for "g++" [2024-11-09 07:08:04,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:05,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:05,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-11-09 07:08:05,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data/f65668a14/1a43941480eb4404bd3e414451626b30/FLAG16869db7d [2024-11-09 07:08:05,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data/f65668a14/1a43941480eb4404bd3e414451626b30 [2024-11-09 07:08:05,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:05,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:05,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:05,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:05,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:05,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:05" (1/1) ... [2024-11-09 07:08:05,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7542c8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:05, skipping insertion in model container [2024-11-09 07:08:05,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:05" (1/1) ... [2024-11-09 07:08:05,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:06,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:06,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:06,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:07,194 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:07,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07 WrapperNode [2024-11-09 07:08:07,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:07,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:07,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:07,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:07,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,266 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-09 07:08:07,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:07,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:07,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:07,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:07,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:07,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:07,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:07,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:07,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (1/1) ... [2024-11-09 07:08:07,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:07,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:07,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:08:07,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:08:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:08:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:08:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-09 07:08:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-09 07:08:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:07,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:07,573 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:07,851 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-09 07:08:07,851 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:08,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:08,189 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:08:08,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:08 BoogieIcfgContainer [2024-11-09 07:08:08,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:08,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:08,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:08,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:08,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:05" (1/3) ... [2024-11-09 07:08:08,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370f8991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:08, skipping insertion in model container [2024-11-09 07:08:08,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:07" (2/3) ... [2024-11-09 07:08:08,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370f8991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:08, skipping insertion in model container [2024-11-09 07:08:08,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:08" (3/3) ... [2024-11-09 07:08:08,202 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-11-09 07:08:08,227 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:08,228 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:08:08,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:08,328 INFO L333 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, 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;@2cf51978, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:08,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:08:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 07:08:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 07:08:08,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:08,346 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:08,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:08:08,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:08,384 INFO L85 PathProgramCache]: Analyzing trace with hash -571215189, now seen corresponding path program 1 times [2024-11-09 07:08:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:08:08,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721339432] [2024-11-09 07:08:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:08,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:08,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:08:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:09,004 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:08:09,007 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:08:09,009 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:08:09,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:08:09,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:08:09,019 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:08:09,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:08:09,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:08:09 BoogieIcfgContainer [2024-11-09 07:08:09,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:08:09,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:08:09,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:08:09,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:08:09,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:08" (3/4) ... [2024-11-09 07:08:09,070 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:08:09,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:08:09,074 INFO L158 Benchmark]: Toolchain (without parser) took 3740.77ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 119.4MB in the end (delta: -20.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-09 07:08:09,075 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:09,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1861.37ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 137.3MB in the end (delta: -38.6MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-09 07:08:09,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.03ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 134.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:08:09,079 INFO L158 Benchmark]: Boogie Preprocessor took 31.16ms. Allocated memory is still 188.7MB. Free memory was 134.1MB in the beginning and 133.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:09,080 INFO L158 Benchmark]: RCFGBuilder took 890.66ms. Allocated memory is still 188.7MB. Free memory was 133.1MB in the beginning and 89.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 07:08:09,081 INFO L158 Benchmark]: TraceAbstraction took 871.56ms. Allocated memory is still 188.7MB. Free memory was 88.0MB in the beginning and 120.5MB in the end (delta: -32.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:09,082 INFO L158 Benchmark]: Witness Printer took 7.59ms. Allocated memory is still 188.7MB. Free memory was 120.5MB in the beginning and 119.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:08:09,089 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1861.37ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 137.3MB in the end (delta: -38.6MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.03ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 134.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.16ms. Allocated memory is still 188.7MB. Free memory was 134.1MB in the beginning and 133.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 890.66ms. Allocated memory is still 188.7MB. Free memory was 133.1MB in the beginning and 89.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 871.56ms. Allocated memory is still 188.7MB. Free memory was 88.0MB in the beginning and 120.5MB in the end (delta: -32.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.59ms. Allocated memory is still 188.7MB. Free memory was 120.5MB in the beginning and 119.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: 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 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: 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 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-09 07:08:09,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje --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 e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:08:12,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:08:12,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 07:08:12,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:08:12,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:08:12,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:08:12,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:08:12,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:08:12,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:08:12,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:08:12,275 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:08:12,276 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:08:12,276 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:08:12,276 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:08:12,277 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:08:12,277 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:08:12,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:08:12,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:08:12,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:08:12,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:08:12,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:08:12,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:08:12,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:08:12,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:08:12,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:08:12,282 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:08:12,282 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:08:12,282 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:08:12,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:08:12,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:08:12,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:08:12,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:08:12,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:08:12,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:08:12,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:12,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:08:12,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:08:12,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:08:12,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:08:12,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:08:12,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:08:12,288 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:08:12,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8827376a636983099cbceca13535b7c5c48f141cdc60fcf039bdd74c8836f20 [2024-11-09 07:08:12,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:08:12,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:08:12,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:08:12,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:08:12,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:08:12,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i Unable to find full path for "g++" [2024-11-09 07:08:15,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:08:15,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:08:15,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-11-09 07:08:15,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data/c040ed666/14dc7a084d59456baf25ffee22b9a038/FLAG7770b9961 [2024-11-09 07:08:16,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/data/c040ed666/14dc7a084d59456baf25ffee22b9a038 [2024-11-09 07:08:16,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:08:16,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:08:16,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:16,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:08:16,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:08:16,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:16" (1/1) ... [2024-11-09 07:08:16,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46970404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:16, skipping insertion in model container [2024-11-09 07:08:16,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:08:16" (1/1) ... [2024-11-09 07:08:16,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:08:17,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:17,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:08:18,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:08:18,206 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:08:18,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18 WrapperNode [2024-11-09 07:08:18,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:08:18,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:18,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:08:18,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:08:18,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,289 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-09 07:08:18,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:08:18,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:08:18,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:08:18,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:08:18,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:08:18,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:08:18,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:08:18,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:08:18,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (1/1) ... [2024-11-09 07:08:18,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:08:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:08:18,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:08:18,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:08:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:08:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:08:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-09 07:08:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-09 07:08:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:08:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:08:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:08:18,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:08:18,684 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:08:18,915 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 07:08:18,916 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:08:18,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:08:18,936 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:08:18,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:18 BoogieIcfgContainer [2024-11-09 07:08:18,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:08:18,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:08:18,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:08:18,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:08:18,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:08:16" (1/3) ... [2024-11-09 07:08:18,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@910830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:18, skipping insertion in model container [2024-11-09 07:08:18,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:08:18" (2/3) ... [2024-11-09 07:08:18,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@910830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:08:18, skipping insertion in model container [2024-11-09 07:08:18,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:18" (3/3) ... [2024-11-09 07:08:18,953 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_11_bad.i [2024-11-09 07:08:18,978 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:08:18,979 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:08:19,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:08:19,083 INFO L333 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, 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;@6c7b113b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:08:19,083 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:08:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.35) internal successors, (27), 22 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 07:08:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 07:08:19,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:19,106 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:19,108 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:08:19,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:19,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1740644628, now seen corresponding path program 1 times [2024-11-09 07:08:19,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:08:19,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580857793] [2024-11-09 07:08:19,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:19,132 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 [2024-11-09 07:08:19,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:08:19,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:08:19,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:08:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:19,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:08:19,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:08:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:08:19,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:08:19,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:08:19,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580857793] [2024-11-09 07:08:19,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580857793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:19,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:19,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:08:19,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173769853] [2024-11-09 07:08:19,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:19,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:08:19,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:08:19,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:08:19,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:08:19,457 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.35) internal successors, (27), 22 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 07:08:19,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:08:19,496 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2024-11-09 07:08:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:08:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-11-09 07:08:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:08:19,513 INFO L225 Difference]: With dead ends: 50 [2024-11-09 07:08:19,513 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 07:08:19,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:08:19,522 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:08:19,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:08:19,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 07:08:19,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-09 07:08:19,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 07:08:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2024-11-09 07:08:19,590 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 20 [2024-11-09 07:08:19,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:08:19,593 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-11-09 07:08:19,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 07:08:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-09 07:08:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 07:08:19,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:08:19,598 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:08:19,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:08:19,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:08:19,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:08:19,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:08:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1810040143, now seen corresponding path program 1 times [2024-11-09 07:08:19,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:08:19,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321840252] [2024-11-09 07:08:19,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:08:19,804 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 [2024-11-09 07:08:19,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:08:19,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:08:19,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:08:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:19,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:08:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:08:20,026 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:08:20,027 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:08:20,029 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:08:20,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:08:20,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 07:08:20,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:08:20,241 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:08:20,288 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:08:20,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:08:20 BoogieIcfgContainer [2024-11-09 07:08:20,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:08:20,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:08:20,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:08:20,298 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:08:20,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:08:18" (3/4) ... [2024-11-09 07:08:20,304 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:08:20,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:08:20,308 INFO L158 Benchmark]: Toolchain (without parser) took 4167.77ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 54.2MB in the beginning and 65.1MB in the end (delta: -10.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-09 07:08:20,309 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.3MB in the end (delta: 148.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:08:20,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2068.31ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 53.9MB in the beginning and 56.5MB in the end (delta: -2.6MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-09 07:08:20,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.73ms. Allocated memory is still 107.0MB. Free memory was 56.5MB in the beginning and 53.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:08:20,313 INFO L158 Benchmark]: Boogie Preprocessor took 41.05ms. Allocated memory is still 107.0MB. Free memory was 53.5MB in the beginning and 51.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:08:20,313 INFO L158 Benchmark]: RCFGBuilder took 606.34ms. Allocated memory is still 107.0MB. Free memory was 51.3MB in the beginning and 67.3MB in the end (delta: -16.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-09 07:08:20,314 INFO L158 Benchmark]: TraceAbstraction took 1353.29ms. Allocated memory is still 107.0MB. Free memory was 66.4MB in the beginning and 66.0MB in the end (delta: 380.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:08:20,319 INFO L158 Benchmark]: Witness Printer took 7.68ms. Allocated memory is still 107.0MB. Free memory was 65.7MB in the beginning and 65.1MB in the end (delta: 599.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:08:20,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.3MB in the end (delta: 148.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2068.31ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 53.9MB in the beginning and 56.5MB in the end (delta: -2.6MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.73ms. Allocated memory is still 107.0MB. Free memory was 56.5MB in the beginning and 53.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.05ms. Allocated memory is still 107.0MB. Free memory was 53.5MB in the beginning and 51.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.34ms. Allocated memory is still 107.0MB. Free memory was 51.3MB in the beginning and 67.3MB in the end (delta: -16.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1353.29ms. Allocated memory is still 107.0MB. Free memory was 66.4MB in the beginning and 66.0MB in the end (delta: 380.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.68ms. Allocated memory is still 107.0MB. Free memory was 65.7MB in the beginning and 65.1MB in the end (delta: 599.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: 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 1568. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: 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 3 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 [2024-11-09 07:08:20,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643ae6f7-ae90-4100-bed9-bc852883a211/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample