./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2 --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 f6c00a0f3d04e7bc72b8ae9efaa6ba8a37cfc45e6d23e1d5fc867c0e5d1ae7ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:22:07,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:22:07,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-02 11:22:07,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:22:07,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:22:07,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:22:07,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:22:07,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:22:07,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:22:07,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:22:07,743 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:22:07,744 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:22:07,744 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:22:07,744 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:22:07,745 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:22:07,745 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:22:07,745 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:22:07,746 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:22:07,746 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:22:07,747 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:22:07,747 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:22:07,748 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:22:07,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:22:07,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:22:07,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:22:07,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:22:07,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:22:07,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:22:07,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:22:07,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:22:07,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 11:22:07,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:22:07,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:22:07,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:22:07,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:22:07,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:22:07,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:22:07,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:07,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:22:07,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:22:07,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:22:07,764 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:22:07,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:22:07,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:22:07,765 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:22:07,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:22:07,765 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_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c00a0f3d04e7bc72b8ae9efaa6ba8a37cfc45e6d23e1d5fc867c0e5d1ae7ab [2024-11-02 11:22:08,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:08,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:08,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:08,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:08,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:08,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_bad.i Unable to find full path for "g++" [2024-11-02 11:22:10,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:10,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:10,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_bad.i [2024-11-02 11:22:10,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data/cc0b0c1f0/b7846a5a24684d29b7c702b7bb17c798/FLAGd6019a6a0 [2024-11-02 11:22:10,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data/cc0b0c1f0/b7846a5a24684d29b7c702b7bb17c798 [2024-11-02 11:22:10,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:10,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:10,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:10,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:10,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:10,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:10" (1/1) ... [2024-11-02 11:22:10,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9ee6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:10, skipping insertion in model container [2024-11-02 11:22:10,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:10" (1/1) ... [2024-11-02 11:22:10,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:12,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:12,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:12,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:13,478 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:13,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13 WrapperNode [2024-11-02 11:22:13,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:13,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:13,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:13,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:13,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,559 INFO L138 Inliner]: procedures = 935, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-02 11:22:13,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:13,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:13,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:13,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:13,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:13,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:13,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:13,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:13,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:13,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:13,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:13,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-02 11:22:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-02 11:22:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-02 11:22:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-02 11:22:13,790 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:13,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:13,983 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:13,983 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:14,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:14,061 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:22:14,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:14 BoogieIcfgContainer [2024-11-02 11:22:14,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:14,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:14,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:14,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:14,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:10" (1/3) ... [2024-11-02 11:22:14,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd578ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:14, skipping insertion in model container [2024-11-02 11:22:14,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (2/3) ... [2024-11-02 11:22:14,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd578ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:14, skipping insertion in model container [2024-11-02 11:22:14,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:14" (3/3) ... [2024-11-02 11:22:14,083 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_11_bad.i [2024-11-02 11:22:14,103 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:14,103 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 11:22:14,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:14,174 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;@e8ee45b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:14,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 11:22:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 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) [2024-11-02 11:22:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-02 11:22:14,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:14,188 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:14,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 11:22:14,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:14,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1733410871, now seen corresponding path program 1 times [2024-11-02 11:22:14,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:22:14,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439616673] [2024-11-02 11:22:14,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:14,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:22:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-02 11:22:14,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:22:14,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439616673] [2024-11-02 11:22:14,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439616673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:22:14,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:22:14,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 11:22:14,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365114963] [2024-11-02 11:22:14,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:22:14,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:22:14,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:22:14,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:22:14,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:22:14,498 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 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 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 11:22:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:22:14,562 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-11-02 11:22:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:22:14,572 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 15 [2024-11-02 11:22:14,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:22:14,592 INFO L225 Difference]: With dead ends: 20 [2024-11-02 11:22:14,596 INFO L226 Difference]: Without dead ends: 15 [2024-11-02 11:22:14,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:22:14,607 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:22:14,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:22:14,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-02 11:22:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-02 11:22:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 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) [2024-11-02 11:22:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-02 11:22:14,663 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 15 [2024-11-02 11:22:14,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:22:14,666 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-02 11:22:14,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-02 11:22:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-02 11:22:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-02 11:22:14,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:14,674 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:14,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:22:14,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 11:22:14,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2098837906, now seen corresponding path program 1 times [2024-11-02 11:22:14,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:22:14,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671065030] [2024-11-02 11:22:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:14,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:22:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:22:14,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642301567] [2024-11-02 11:22:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:14,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:22:14,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:14,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:22:14,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:22:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:14,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:22:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:14,916 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:22:14,917 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:22:14,919 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-02 11:22:14,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-02 11:22:14,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:22:15,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:22:15,131 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 11:22:15,172 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:22:15,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:22:15 BoogieIcfgContainer [2024-11-02 11:22:15,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:22:15,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:22:15,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:22:15,177 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:22:15,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:14" (3/4) ... [2024-11-02 11:22:15,183 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:22:15,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:22:15,185 INFO L158 Benchmark]: Toolchain (without parser) took 4428.55ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 96.3MB in the beginning and 111.5MB in the end (delta: -15.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-02 11:22:15,186 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:15,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2722.97ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 96.0MB in the beginning and 86.8MB in the end (delta: 9.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-11-02 11:22:15,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.03ms. Allocated memory is still 172.0MB. Free memory was 86.8MB in the beginning and 83.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:22:15,187 INFO L158 Benchmark]: Boogie Preprocessor took 24.29ms. Allocated memory is still 172.0MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:22:15,188 INFO L158 Benchmark]: RCFGBuilder took 476.21ms. Allocated memory is still 172.0MB. Free memory was 81.6MB in the beginning and 66.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 11:22:15,188 INFO L158 Benchmark]: TraceAbstraction took 1105.50ms. Allocated memory is still 172.0MB. Free memory was 65.8MB in the beginning and 111.5MB in the end (delta: -45.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:15,189 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 172.0MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:15,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2722.97ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 96.0MB in the beginning and 86.8MB in the end (delta: 9.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.03ms. Allocated memory is still 172.0MB. Free memory was 86.8MB in the beginning and 83.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.29ms. Allocated memory is still 172.0MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.21ms. Allocated memory is still 172.0MB. Free memory was 81.6MB in the beginning and 66.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1105.50ms. Allocated memory is still 172.0MB. Free memory was 65.8MB in the beginning and 111.5MB in the end (delta: -45.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 172.0MB. Free memory is still 111.5MB. 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: 1843]: 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 1851. 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); [L1851] 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) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_fscanf_square_11_bad() [L1834] int data; [L1835] 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] [L1836] 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; [L1836] 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] [L1836] COND TRUE globalReturnsTrue() [L1840] 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; [L1840] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1840] COND TRUE globalReturnsTrue() [L1843] data * 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: 1843]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 [2024-11-02 11:22:15,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2 --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 f6c00a0f3d04e7bc72b8ae9efaa6ba8a37cfc45e6d23e1d5fc867c0e5d1ae7ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:22:17,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:22:18,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-02 11:22:18,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:22:18,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:22:18,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:22:18,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:22:18,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:22:18,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:22:18,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:22:18,112 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:22:18,112 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:22:18,113 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:22:18,113 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:22:18,113 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:22:18,114 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:22:18,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:22:18,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:22:18,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:22:18,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:22:18,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:22:18,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:22:18,118 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:22:18,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:22:18,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:22:18,119 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 11:22:18,120 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:22:18,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 11:22:18,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:22:18,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:22:18,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:22:18,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:22:18,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:22:18,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:22:18,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:18,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:22:18,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:22:18,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:22:18,125 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:22:18,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:22:18,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:22:18,126 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:22:18,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:22:18,127 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c00a0f3d04e7bc72b8ae9efaa6ba8a37cfc45e6d23e1d5fc867c0e5d1ae7ab [2024-11-02 11:22:18,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:18,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:18,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:18,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:18,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:18,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_bad.i Unable to find full path for "g++" [2024-11-02 11:22:20,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:21,309 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:21,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_bad.i [2024-11-02 11:22:21,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data/a3d7d2e72/70f18eea2f3a4e1c908714fc3cbcc800/FLAG8e7f4f7f6 [2024-11-02 11:22:21,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/data/a3d7d2e72/70f18eea2f3a4e1c908714fc3cbcc800 [2024-11-02 11:22:21,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:21,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:21,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:21,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:21,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:21,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:21" (1/1) ... [2024-11-02 11:22:21,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee7814f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:21, skipping insertion in model container [2024-11-02 11:22:21,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:21" (1/1) ... [2024-11-02 11:22:21,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:23,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:23,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:23,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:23,637 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:23,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23 WrapperNode [2024-11-02 11:22:23,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:23,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:23,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:23,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:23,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,711 INFO L138 Inliner]: procedures = 940, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-02 11:22:23,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:23,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:23,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:23,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:23,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:23,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:23,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:23,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:23,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (1/1) ... [2024-11-02 11:22:23,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:23,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:23,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:23,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-02 11:22:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-02 11:22:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-02 11:22:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-02 11:22:23,997 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:24,000 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:27,481 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:27,483 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:27,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:27,511 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:22:27,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:27 BoogieIcfgContainer [2024-11-02 11:22:27,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:27,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:27,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:27,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:27,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:21" (1/3) ... [2024-11-02 11:22:27,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c4d88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:27, skipping insertion in model container [2024-11-02 11:22:27,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:23" (2/3) ... [2024-11-02 11:22:27,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c4d88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:27, skipping insertion in model container [2024-11-02 11:22:27,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:27" (3/3) ... [2024-11-02 11:22:27,528 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_11_bad.i [2024-11-02 11:22:27,546 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:27,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 11:22:27,618 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:27,627 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;@27dd0392, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:27,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 11:22:27,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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) [2024-11-02 11:22:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-02 11:22:27,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:27,645 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:27,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-02 11:22:27,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:27,654 INFO L85 PathProgramCache]: Analyzing trace with hash -2101909711, now seen corresponding path program 1 times [2024-11-02 11:22:27,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:22:27,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005459373] [2024-11-02 11:22:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:27,674 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 [2024-11-02 11:22:27,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:22:27,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:22:27,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:22:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:27,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:22:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:27,972 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-02 11:22:27,974 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:22:27,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-02 11:22:27,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-02 11:22:27,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 11:22:28,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:22:28,188 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:22:28,224 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:22:28,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:22:28 BoogieIcfgContainer [2024-11-02 11:22:28,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:22:28,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:22:28,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:22:28,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:22:28,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:27" (3/4) ... [2024-11-02 11:22:28,235 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:22:28,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:22:28,238 INFO L158 Benchmark]: Toolchain (without parser) took 6865.27ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 45.5MB in the beginning and 60.1MB in the end (delta: -14.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-02 11:22:28,238 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:28,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2264.88ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 45.2MB in the beginning and 62.7MB in the end (delta: -17.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-02 11:22:28,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.93ms. Allocated memory is still 111.1MB. Free memory was 62.7MB in the beginning and 58.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:22:28,240 INFO L158 Benchmark]: Boogie Preprocessor took 35.04ms. Allocated memory is still 111.1MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:28,241 INFO L158 Benchmark]: RCFGBuilder took 3764.24ms. Allocated memory is still 111.1MB. Free memory was 56.5MB in the beginning and 79.0MB in the end (delta: -22.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-02 11:22:28,243 INFO L158 Benchmark]: TraceAbstraction took 712.93ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 61.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 11:22:28,244 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 111.1MB. Free memory was 61.0MB in the beginning and 60.1MB in the end (delta: 894.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:22:28,249 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 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2264.88ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 45.2MB in the beginning and 62.7MB in the end (delta: -17.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.93ms. Allocated memory is still 111.1MB. Free memory was 62.7MB in the beginning and 58.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.04ms. Allocated memory is still 111.1MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3764.24ms. Allocated memory is still 111.1MB. Free memory was 56.5MB in the beginning and 79.0MB in the end (delta: -22.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 712.93ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 61.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 111.1MB. Free memory was 61.0MB in the beginning and 60.1MB in the end (delta: 894.7kB). 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: 1843]: 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 1851. 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] [L1851] 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) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_fscanf_square_11_bad() [L1834] int data; [L1835] 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] [L1836] 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] [L1836] 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] [L1836] COND TRUE globalReturnsTrue() [L1840] 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] [L1840] 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] [L1840] COND TRUE globalReturnsTrue() [L1843] data * 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: 1843]: 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, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=26occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 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 [2024-11-02 11:22:28,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e190abf-97a8-4b0b-95a4-3853acf2ceac/bin/utaipan-verify-DbMuA5NWw2/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