./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_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_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:22:33,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:22:33,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 01:22:33,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:22:33,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:22:33,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:22:33,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:22:33,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:22:33,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:22:33,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:22:33,737 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:22:33,738 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:22:33,739 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:22:33,740 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:22:33,741 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:22:33,742 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:22:33,743 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:22:33,744 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:22:33,744 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:22:33,745 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:22:33,746 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:22:33,751 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:22:33,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:22:33,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:22:33,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:22:33,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:22:33,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:22:33,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:22:33,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:22:33,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:22:33,758 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:22:33,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:22:33,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:22:33,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:22:33,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:22:33,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:22:33,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:22:33,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:33,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:22:33,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:22:33,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:22:33,767 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:22:33,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:22:33,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:22:33,769 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:22:33,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:22:33,770 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_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 [2024-11-09 01:22:34,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:22:34,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:22:34,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:22:34,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:22:34,369 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:22:34,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i Unable to find full path for "g++" [2024-11-09 01:22:37,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:22:38,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:22:38,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2024-11-09 01:22:38,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data/33ba210ef/c70b2ed072e941f684fc9d6d0034d9cf/FLAG6b55d4381 [2024-11-09 01:22:38,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data/33ba210ef/c70b2ed072e941f684fc9d6d0034d9cf [2024-11-09 01:22:38,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:22:38,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:22:38,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:38,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:22:38,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:22:38,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:38, skipping insertion in model container [2024-11-09 01:22:38,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:38" (1/1) ... [2024-11-09 01:22:38,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:22:40,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:40,020 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:22:40,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:40,371 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:22:40,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40 WrapperNode [2024-11-09 01:22:40,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:40,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:40,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:22:40,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:22:40,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,461 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-09 01:22:40,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:40,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:22:40,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:22:40,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:22:40,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:22:40,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:22:40,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:22:40,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:22:40,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (1/1) ... [2024-11-09 01:22:40,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:22:40,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:22:40,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:22:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:22:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:22:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:22:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:22:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:22:40,866 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:22:40,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:22:41,252 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-09 01:22:41,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:22:41,673 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:22:41,674 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:22:41,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:41 BoogieIcfgContainer [2024-11-09 01:22:41,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:22:41,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:22:41,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:22:41,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:22:41,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:22:38" (1/3) ... [2024-11-09 01:22:41,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252fbc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:41, skipping insertion in model container [2024-11-09 01:22:41,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:40" (2/3) ... [2024-11-09 01:22:41,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252fbc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:41, skipping insertion in model container [2024-11-09 01:22:41,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:41" (3/3) ... [2024-11-09 01:22:41,696 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2024-11-09 01:22:41,724 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:22:41,724 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:22:41,796 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:22:41,806 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;@31ee4f20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:22:41,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:22:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:22:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:22:41,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:41,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 01:22:41,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:22:41,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:41,833 INFO L85 PathProgramCache]: Analyzing trace with hash 16435298, now seen corresponding path program 1 times [2024-11-09 01:22:41,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:41,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742320368] [2024-11-09 01:22:41,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:41,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:22:42,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:22:42,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742320368] [2024-11-09 01:22:42,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742320368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:22:42,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:22:42,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:22:42,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882348522] [2024-11-09 01:22:42,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:22:42,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:22:42,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:22:42,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:22:42,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:22:42,347 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:22:42,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:42,413 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2024-11-09 01:22:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:22:42,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2024-11-09 01:22:42,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:42,428 INFO L225 Difference]: With dead ends: 12 [2024-11-09 01:22:42,429 INFO L226 Difference]: Without dead ends: 8 [2024-11-09 01:22:42,433 INFO L431 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 [2024-11-09 01:22:42,442 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:42,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:22:42,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-09 01:22:42,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-09 01:22:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:22:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-09 01:22:42,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2024-11-09 01:22:42,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:42,490 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-09 01:22:42,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:22:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-09 01:22:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 01:22:42,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:42,493 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:42,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:22:42,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:22:42,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:42,498 INFO L85 PathProgramCache]: Analyzing trace with hash 509494365, now seen corresponding path program 1 times [2024-11-09 01:22:42,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:22:42,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120884711] [2024-11-09 01:22:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:42,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:22:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:22:42,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:22:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:22:42,842 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:22:42,842 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:22:42,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:22:42,848 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:22:42,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:22:42,855 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:22:42,892 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:22:42,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:22:42 BoogieIcfgContainer [2024-11-09 01:22:42,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:22:42,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:22:42,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:22:42,903 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:22:42,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:41" (3/4) ... [2024-11-09 01:22:42,907 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:22:42,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:22:42,911 INFO L158 Benchmark]: Toolchain (without parser) took 4633.65ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 104.6MB in the beginning and 102.4MB in the end (delta: 2.2MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-09 01:22:42,911 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 151.0MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:22:42,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2093.78ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 104.6MB in the beginning and 135.8MB in the end (delta: -31.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-09 01:22:42,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.26ms. Allocated memory is still 197.1MB. Free memory was 135.8MB in the beginning and 132.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:22:42,917 INFO L158 Benchmark]: Boogie Preprocessor took 49.59ms. Allocated memory is still 197.1MB. Free memory was 132.6MB in the beginning and 131.7MB in the end (delta: 913.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:22:42,918 INFO L158 Benchmark]: RCFGBuilder took 1161.04ms. Allocated memory is still 197.1MB. Free memory was 131.7MB in the beginning and 156.9MB in the end (delta: -25.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 01:22:42,918 INFO L158 Benchmark]: TraceAbstraction took 1219.73ms. Allocated memory is still 197.1MB. Free memory was 155.8MB in the beginning and 103.4MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-09 01:22:42,919 INFO L158 Benchmark]: Witness Printer took 7.93ms. Allocated memory is still 197.1MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:22:42,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 151.0MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2093.78ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 104.6MB in the beginning and 135.8MB in the end (delta: -31.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.26ms. Allocated memory is still 197.1MB. Free memory was 135.8MB in the beginning and 132.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.59ms. Allocated memory is still 197.1MB. Free memory was 132.6MB in the beginning and 131.7MB in the end (delta: 913.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1161.04ms. Allocated memory is still 197.1MB. Free memory was 131.7MB in the beginning and 156.9MB in the end (delta: -25.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1219.73ms. Allocated memory is still 197.1MB. Free memory was 155.8MB in the beginning and 103.4MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 7.93ms. Allocated memory is still 197.1MB. Free memory was 103.4MB in the beginning and 102.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: 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 1567, overapproximation of bitwiseOr at line 1550. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_rand_preinc_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] ++data 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:22:42,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:22:46,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:22:46,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 01:22:46,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:22:46,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:22:46,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:22:46,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:22:46,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:22:46,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:22:46,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:22:46,385 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:22:46,385 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:22:46,386 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:22:46,386 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:22:46,387 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:22:46,390 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:22:46,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:22:46,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:22:46,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:22:46,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:22:46,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:22:46,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:22:46,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:22:46,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:22:46,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:22:46,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:22:46,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:22:46,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:22:46,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:22:46,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:22:46,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:22:46,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:22:46,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:22:46,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:22:46,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:46,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:22:46,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:22:46,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:22:46,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:22:46,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:22:46,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:22:46,414 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:22:46,414 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_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb1779f5370656e7962263b9ef7481d0423f457c7873ec300ee7d68ecbc9069 [2024-11-09 01:22:46,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:22:46,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:22:46,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:22:46,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:22:46,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:22:46,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i Unable to find full path for "g++" [2024-11-09 01:22:49,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:22:50,384 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:22:50,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2024-11-09 01:22:50,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data/627233f4b/9a3e7f96353b4112b59a850e494469f5/FLAG123450efe [2024-11-09 01:22:50,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/data/627233f4b/9a3e7f96353b4112b59a850e494469f5 [2024-11-09 01:22:50,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:22:50,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:22:50,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:50,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:22:50,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:22:50,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:50" (1/1) ... [2024-11-09 01:22:50,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313ba6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:50, skipping insertion in model container [2024-11-09 01:22:50,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:22:50" (1/1) ... [2024-11-09 01:22:51,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:22:52,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:52,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:22:52,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:22:53,156 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:22:53,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53 WrapperNode [2024-11-09 01:22:53,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:22:53,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:53,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:22:53,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:22:53,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,249 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-09 01:22:53,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:22:53,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:22:53,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:22:53,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:22:53,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:22:53,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:22:53,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:22:53,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:22:53,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (1/1) ... [2024-11-09 01:22:53,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:22:53,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:22:53,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:22:53,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:22:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:22:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:22:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:22:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:22:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:22:53,691 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:22:53,697 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:22:53,905 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-09 01:22:53,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:22:53,922 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:22:53,922 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:22:53,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:53 BoogieIcfgContainer [2024-11-09 01:22:53,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:22:53,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:22:53,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:22:53,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:22:53,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:22:50" (1/3) ... [2024-11-09 01:22:53,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65600156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:53, skipping insertion in model container [2024-11-09 01:22:53,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:22:53" (2/3) ... [2024-11-09 01:22:53,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65600156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:22:53, skipping insertion in model container [2024-11-09 01:22:53,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:53" (3/3) ... [2024-11-09 01:22:53,954 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_42_bad.i [2024-11-09 01:22:53,983 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:22:53,983 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:22:54,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:22:54,094 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;@2cd2ea2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:22:54,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:22:54,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-09 01:22:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 01:22:54,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:54,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:54,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:22:54,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:54,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2024-11-09 01:22:54,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:22:54,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143639132] [2024-11-09 01:22:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:54,163 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 01:22:54,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:22:54,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:54,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:22:54,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:22:54,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:22:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:22:54,436 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:22:54,437 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:22:54,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143639132] [2024-11-09 01:22:54,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143639132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:22:54,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:22:54,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 01:22:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302819031] [2024-11-09 01:22:54,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:22:54,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:22:54,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:22:54,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:22:54,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:22:54,480 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:22:54,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:22:54,502 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-09 01:22:54,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:22:54,505 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 01:22:54,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:22:54,513 INFO L225 Difference]: With dead ends: 22 [2024-11-09 01:22:54,514 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 01:22:54,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:22:54,522 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:22:54,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:22:54,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 01:22:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 01:22:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:22:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-09 01:22:54,565 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2024-11-09 01:22:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:22:54,566 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-09 01:22:54,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:22:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 01:22:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:22:54,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:22:54,568 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:22:54,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:54,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:54,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:22:54,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:22:54,774 INFO L85 PathProgramCache]: Analyzing trace with hash 401828808, now seen corresponding path program 1 times [2024-11-09 01:22:54,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:22:54,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577419788] [2024-11-09 01:22:54,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:22:54,775 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 01:22:54,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:22:54,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:54,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:22:54,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:22:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:22:55,083 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 01:22:55,084 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:22:55,088 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:22:55,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:22:55,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:55,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/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 01:22:55,299 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:22:55,327 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:22:55,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:22:55 BoogieIcfgContainer [2024-11-09 01:22:55,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:22:55,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:22:55,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:22:55,332 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:22:55,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:22:53" (3/4) ... [2024-11-09 01:22:55,337 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:22:55,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:22:55,340 INFO L158 Benchmark]: Toolchain (without parser) took 4451.29ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 55.5MB in the beginning and 40.6MB in the end (delta: 14.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-09 01:22:55,341 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:22:55,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2268.52ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 52.6MB in the end (delta: 2.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-09 01:22:55,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.56ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:22:55,343 INFO L158 Benchmark]: Boogie Preprocessor took 82.74ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:22:55,344 INFO L158 Benchmark]: RCFGBuilder took 588.91ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 33.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:22:55,344 INFO L158 Benchmark]: TraceAbstraction took 1404.81ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 32.7MB in the beginning and 41.2MB in the end (delta: -8.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-09 01:22:55,345 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 100.7MB. Free memory was 41.2MB in the beginning and 40.6MB in the end (delta: 602.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:22:55,349 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2268.52ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 52.6MB in the end (delta: 2.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.56ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.74ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.91ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 33.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1404.81ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 32.7MB in the beginning and 41.2MB in the end (delta: -8.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 100.7MB. Free memory was 41.2MB in the beginning and 40.6MB in the end (delta: 602.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: 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 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_rand_preinc_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] ++data 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: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:22:55,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42aa72cb-068c-4a1b-8659-ddc7edcbdfaf/bin/utaipan-verify-YMUCfTKeje/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