./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_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_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/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_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/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_9b872060-2a1a-4053-8488-b5a399f38d5a/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:19:30,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:19:30,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 07:19:30,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:19:30,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:19:30,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:19:30,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:19:30,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:19:30,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:19:30,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:19:30,794 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:19:30,795 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:19:30,796 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:19:30,799 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:19:30,799 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:19:30,800 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:19:30,802 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:19:30,802 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:19:30,803 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:19:30,807 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:19:30,808 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:19:30,809 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:19:30,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:19:30,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:19:30,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:19:30,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:19:30,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:19:30,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:19:30,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:19:30,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:19:30,815 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:19:30,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:19:30,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:19:30,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:19:30,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:19:30,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:19:30,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:19:30,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:30,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:19:30,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:19:30,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:19:30,821 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:19:30,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:19:30,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:19:30,823 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:19:30,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:19:30,824 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_9b872060-2a1a-4053-8488-b5a399f38d5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-11-09 07:19:31,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:19:31,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:19:31,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:19:31,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:19:31,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:19:31,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i Unable to find full path for "g++" [2024-11-09 07:19:33,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:19:33,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:19:33,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-09 07:19:33,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data/040d448fa/34e74c40882f404381869025579182f8/FLAG5952a6524 [2024-11-09 07:19:33,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data/040d448fa/34e74c40882f404381869025579182f8 [2024-11-09 07:19:33,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:19:33,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:19:33,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:33,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:19:33,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:19:33,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:33" (1/1) ... [2024-11-09 07:19:33,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53403592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:33, skipping insertion in model container [2024-11-09 07:19:33,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:33" (1/1) ... [2024-11-09 07:19:34,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:19:35,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:35,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:19:35,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:35,470 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:19:35,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35 WrapperNode [2024-11-09 07:19:35,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:35,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:35,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:19:35,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:19:35,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,558 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2024-11-09 07:19:35,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:35,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:19:35,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:19:35,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:19:35,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:19:35,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:19:35,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:19:35,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:19:35,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (1/1) ... [2024-11-09 07:19:35,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:35,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:35,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:19:35,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:19:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:19:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:19:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:19:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:19:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:19:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:19:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:19:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:19:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:19:35,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:19:35,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:19:36,289 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-09 07:19:36,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:19:36,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:19:36,577 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:19:36,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:36 BoogieIcfgContainer [2024-11-09 07:19:36,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:19:36,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:19:36,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:19:36,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:19:36,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:19:33" (1/3) ... [2024-11-09 07:19:36,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e301491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:36, skipping insertion in model container [2024-11-09 07:19:36,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:35" (2/3) ... [2024-11-09 07:19:36,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e301491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:36, skipping insertion in model container [2024-11-09 07:19:36,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:36" (3/3) ... [2024-11-09 07:19:36,594 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-09 07:19:36,613 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:19:36,613 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:19:36,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:19:36,681 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;@77cbcf95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:19:36,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:19:36,694 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 07:19:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 07:19:36,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:36,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 07:19:36,704 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:19:36,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:36,710 INFO L85 PathProgramCache]: Analyzing trace with hash -40823006, now seen corresponding path program 1 times [2024-11-09 07:19:36,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:36,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039883560] [2024-11-09 07:19:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:36,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:19:37,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:19:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:19:37,233 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:19:37,235 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:19:37,237 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:19:37,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:19:37,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:19:37,246 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:19:37,275 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:19:37,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:19:37 BoogieIcfgContainer [2024-11-09 07:19:37,280 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:19:37,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:19:37,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:19:37,283 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:19:37,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:36" (3/4) ... [2024-11-09 07:19:37,287 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:19:37,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:19:37,290 INFO L158 Benchmark]: Toolchain (without parser) took 3341.38ms. Allocated memory is still 172.0MB. Free memory was 133.9MB in the beginning and 68.5MB in the end (delta: 65.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-09 07:19:37,290 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:37,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.15ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 67.2MB in the end (delta: 65.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-09 07:19:37,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.34ms. Allocated memory is still 172.0MB. Free memory was 67.2MB in the beginning and 63.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:19:37,294 INFO L158 Benchmark]: Boogie Preprocessor took 40.54ms. Allocated memory is still 172.0MB. Free memory was 63.9MB in the beginning and 62.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:37,295 INFO L158 Benchmark]: RCFGBuilder took 972.62ms. Allocated memory is still 172.0MB. Free memory was 61.8MB in the beginning and 107.3MB in the end (delta: -45.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-09 07:19:37,296 INFO L158 Benchmark]: TraceAbstraction took 700.13ms. Allocated memory is still 172.0MB. Free memory was 107.3MB in the beginning and 68.5MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 07:19:37,297 INFO L158 Benchmark]: Witness Printer took 7.57ms. Allocated memory is still 172.0MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:37,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.15ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 67.2MB in the end (delta: 65.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.34ms. Allocated memory is still 172.0MB. Free memory was 67.2MB in the beginning and 63.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.54ms. Allocated memory is still 172.0MB. Free memory was 63.9MB in the beginning and 62.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 972.62ms. Allocated memory is still 172.0MB. Free memory was 61.8MB in the beginning and 107.3MB in the end (delta: -45.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 700.13ms. Allocated memory is still 172.0MB. Free memory was 107.3MB in the beginning and 68.5MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 7.57ms. Allocated memory is still 172.0MB. Free memory is still 68.5MB. 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: 1573]: 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 1565, overapproximation of bitwiseOr at line 1558. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, 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=12occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:19:37,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/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_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/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_9b872060-2a1a-4053-8488-b5a399f38d5a/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:19:40,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:19:40,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 07:19:40,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:19:40,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:19:40,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:19:40,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:19:40,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:19:40,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:19:40,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:19:40,220 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:19:40,221 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:19:40,221 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:19:40,222 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:19:40,225 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:19:40,225 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:19:40,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:19:40,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:19:40,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:19:40,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:19:40,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:19:40,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:19:40,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:19:40,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:19:40,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:19:40,236 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:19:40,236 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:19:40,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:19:40,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:19:40,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:19:40,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:19:40,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:19:40,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:19:40,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:19:40,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:40,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:19:40,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:19:40,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:19:40,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:19:40,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:19:40,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:19:40,246 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:19:40,246 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_9b872060-2a1a-4053-8488-b5a399f38d5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-11-09 07:19:40,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:19:40,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:19:40,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:19:40,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:19:40,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:19:40,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i Unable to find full path for "g++" [2024-11-09 07:19:42,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:19:43,372 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:19:43,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-09 07:19:43,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data/f94218996/37478f46cfb448e086663596f1e9c429/FLAG3cce2d824 [2024-11-09 07:19:43,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/data/f94218996/37478f46cfb448e086663596f1e9c429 [2024-11-09 07:19:43,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:19:43,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:19:43,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:43,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:19:43,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:19:43,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:43" (1/1) ... [2024-11-09 07:19:43,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701fa9b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:43, skipping insertion in model container [2024-11-09 07:19:43,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:43" (1/1) ... [2024-11-09 07:19:43,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:19:44,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:44,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:19:45,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:45,164 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:19:45,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45 WrapperNode [2024-11-09 07:19:45,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:45,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:45,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:19:45,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:19:45,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,256 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-09 07:19:45,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:45,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:19:45,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:19:45,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:19:45,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:19:45,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:19:45,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:19:45,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:19:45,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (1/1) ... [2024-11-09 07:19:45,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:45,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:45,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:19:45,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:19:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 07:19:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 07:19:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:19:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:19:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:19:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:19:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 07:19:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:19:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 07:19:45,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:19:45,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:19:45,958 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-09 07:19:45,958 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:19:45,977 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:19:45,977 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:19:45,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:45 BoogieIcfgContainer [2024-11-09 07:19:45,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:19:45,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:19:45,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:19:45,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:19:45,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:19:43" (1/3) ... [2024-11-09 07:19:45,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd6503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:45, skipping insertion in model container [2024-11-09 07:19:45,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:45" (2/3) ... [2024-11-09 07:19:45,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd6503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:45, skipping insertion in model container [2024-11-09 07:19:45,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:45" (3/3) ... [2024-11-09 07:19:45,989 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-09 07:19:46,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:19:46,012 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:19:46,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:19:46,114 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;@1fea8be5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:19:46,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:19:46,120 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 07:19:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 07:19:46,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:46,135 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:46,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 07:19:46,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2024-11-09 07:19:46,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:19:46,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535409451] [2024-11-09 07:19:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:46,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:19:46,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:19:46,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:19:46,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 07:19:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:19:46,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:19:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:19:46,534 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:19:46,536 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:19:46,538 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 07:19:46,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 07:19:46,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/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)] Ended with exit code 0 [2024-11-09 07:19:46,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:19:46,752 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:19:46,791 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:19:46,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:19:46 BoogieIcfgContainer [2024-11-09 07:19:46,796 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:19:46,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:19:46,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:19:46,797 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:19:46,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:45" (3/4) ... [2024-11-09 07:19:46,803 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:19:46,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:19:46,807 INFO L158 Benchmark]: Toolchain (without parser) took 3362.91ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 67.1MB in the beginning and 77.5MB in the end (delta: -10.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-09 07:19:46,807 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:46,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1720.38ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 43.8MB in the end (delta: 23.0MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-09 07:19:46,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.77ms. Allocated memory is still 94.4MB. Free memory was 43.4MB in the beginning and 64.1MB in the end (delta: -20.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-09 07:19:46,811 INFO L158 Benchmark]: Boogie Preprocessor took 63.18ms. Allocated memory is still 94.4MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:19:46,811 INFO L158 Benchmark]: RCFGBuilder took 653.43ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 46.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 07:19:46,812 INFO L158 Benchmark]: TraceAbstraction took 815.00ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 77.8MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:46,813 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 119.5MB. Free memory was 77.8MB in the beginning and 77.5MB in the end (delta: 300.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:46,823 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 67.1MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1720.38ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 43.8MB in the end (delta: 23.0MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.77ms. Allocated memory is still 94.4MB. Free memory was 43.4MB in the beginning and 64.1MB in the end (delta: -20.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.18ms. Allocated memory is still 94.4MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.43ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 46.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 815.00ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 77.8MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 119.5MB. Free memory was 77.8MB in the beginning and 77.5MB in the end (delta: 300.4kB). 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: 1573]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] 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, myStruct={3:0}] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, 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=22occurred 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:19:46,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b872060-2a1a-4053-8488-b5a399f38d5a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample