./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:52:50,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:52:50,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 04:52:50,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:52:50,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:52:50,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:52:50,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:52:50,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:52:50,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:52:50,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:52:50,467 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:52:50,467 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:52:50,468 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:52:50,468 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:52:50,468 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:52:50,469 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:52:50,469 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:52:50,470 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:52:50,470 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:52:50,470 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:52:50,471 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:52:50,472 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:52:50,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:52:50,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:52:50,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:52:50,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:52:50,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:52:50,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:52:50,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:52:50,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:52:50,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:52:50,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:52:50,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:52:50,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:52:50,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:52:50,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:52:50,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:52:50,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:52:50,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:52:50,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:52:50,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:52:50,482 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:52:50,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:52:50,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:52:50,483 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:52:50,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:52:50,484 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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 [2024-11-09 04:52:50,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:52:50,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:52:50,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:52:50,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:52:50,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:52:50,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i Unable to find full path for "g++" [2024-11-09 04:52:52,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:52:53,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:52:53,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-09 04:52:53,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data/6583110f3/cd51d5c7aef74c818d1457c8331ac0af/FLAG75e0ae0fc [2024-11-09 04:52:53,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data/6583110f3/cd51d5c7aef74c818d1457c8331ac0af [2024-11-09 04:52:53,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:52:53,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:52:53,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:52:53,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:52:53,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:52:53,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:52:53" (1/1) ... [2024-11-09 04:52:53,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f721b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:53, skipping insertion in model container [2024-11-09 04:52:53,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:52:53" (1/1) ... [2024-11-09 04:52:53,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:52:54,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:52:54,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:52:54,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:52:54,779 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:52:54,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54 WrapperNode [2024-11-09 04:52:54,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:52:54,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:52:54,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:52:54,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:52:54,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,882 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-09 04:52:54,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:52:54,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:52:54,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:52:54,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:52:54,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:52:54,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:52:54,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:52:54,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:52:54,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (1/1) ... [2024-11-09 04:52:54,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:52:54,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:52:54,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:52:54,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:52:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 04:52:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 04:52:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:52:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:52:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:52:55,173 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:52:55,176 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:52:55,279 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 04:52:55,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:52:55,352 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:52:55,353 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:52:55,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:52:55 BoogieIcfgContainer [2024-11-09 04:52:55,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:52:55,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:52:55,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:52:55,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:52:55,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:52:53" (1/3) ... [2024-11-09 04:52:55,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3542e831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:52:55, skipping insertion in model container [2024-11-09 04:52:55,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:54" (2/3) ... [2024-11-09 04:52:55,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3542e831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:52:55, skipping insertion in model container [2024-11-09 04:52:55,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:52:55" (3/3) ... [2024-11-09 04:52:55,372 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-09 04:52:55,388 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:52:55,388 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 04:52:55,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:52:55,461 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;@67bd57e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:52:55,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 04:52:55,466 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 04:52:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 04:52:55,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:52:55,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 04:52:55,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 04:52:55,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:52:55,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1918541626, now seen corresponding path program 1 times [2024-11-09 04:52:55,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:52:55,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992307733] [2024-11-09 04:52:55,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:52:55,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:52:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:52:55,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:52:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:52:55,652 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:52:55,654 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:52:55,655 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 04:52:55,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 04:52:55,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:52:55,662 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:52:55,686 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:52:55,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:52:55 BoogieIcfgContainer [2024-11-09 04:52:55,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:52:55,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:52:55,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:52:55,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:52:55,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:52:55" (3/4) ... [2024-11-09 04:52:55,693 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:52:55,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:52:55,696 INFO L158 Benchmark]: Toolchain (without parser) took 2383.15ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 65.3MB in the end (delta: 53.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-11-09 04:52:55,696 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:52:55,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1465.62ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 100.3MB in the end (delta: 18.4MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-11-09 04:52:55,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.92ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 97.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:52:55,698 INFO L158 Benchmark]: Boogie Preprocessor took 36.02ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:52:55,698 INFO L158 Benchmark]: RCFGBuilder took 434.06ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 82.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:52:55,699 INFO L158 Benchmark]: TraceAbstraction took 329.57ms. Allocated memory is still 155.2MB. Free memory was 81.4MB in the beginning and 66.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:52:55,699 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 155.2MB. Free memory was 66.0MB in the beginning and 65.3MB in the end (delta: 738.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:52:55,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1465.62ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 100.3MB in the end (delta: 18.4MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.92ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 97.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.02ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.06ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 82.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 329.57ms. Allocated memory is still 155.2MB. Free memory was 81.4MB in the beginning and 66.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 155.2MB. Free memory was 66.0MB in the beginning and 65.3MB in the end (delta: 738.9kB). 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: 1558]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_18_bad() [L1550] int data; [L1551] data = 0 [L1558] 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: 1558]: 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: 0.2s, 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, 0.0s 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 04:52:55,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:52:58,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:52:58,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 04:52:58,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:52:58,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:52:58,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:52:58,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:52:58,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:52:58,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:52:58,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:52:58,466 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:52:58,467 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:52:58,467 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:52:58,470 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:52:58,470 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:52:58,471 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:52:58,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:52:58,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:52:58,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:52:58,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:52:58,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:52:58,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:52:58,481 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:52:58,481 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:52:58,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:52:58,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:52:58,482 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:52:58,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:52:58,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:52:58,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:52:58,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:52:58,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:52:58,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:52:58,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:52:58,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:52:58,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:52:58,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:52:58,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:52:58,487 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:52:58,488 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:52:58,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:52:58,489 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:52:58,489 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_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fe9913825b615b71160b6b150958439b47d91f120b7b74009b805f02cd34b86 [2024-11-09 04:52:58,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:52:58,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:52:58,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:52:58,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:52:58,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:52:58,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i Unable to find full path for "g++" [2024-11-09 04:53:01,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:53:01,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:53:01,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-09 04:53:01,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data/412c58255/a1b00735e67f488e9cf3ade52150eb5c/FLAG1b1ff87f4 [2024-11-09 04:53:01,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/data/412c58255/a1b00735e67f488e9cf3ade52150eb5c [2024-11-09 04:53:01,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:53:01,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:53:01,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:53:01,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:53:01,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:53:01,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:01" (1/1) ... [2024-11-09 04:53:01,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49232917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:01, skipping insertion in model container [2024-11-09 04:53:01,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:53:01" (1/1) ... [2024-11-09 04:53:01,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:53:02,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:53:02,848 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:53:02,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:53:03,129 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:53:03,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03 WrapperNode [2024-11-09 04:53:03,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:53:03,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:53:03,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:53:03,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:53:03,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,192 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-09 04:53:03,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:53:03,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:53:03,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:53:03,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:53:03,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:53:03,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:53:03,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:53:03,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:53:03,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (1/1) ... [2024-11-09 04:53:03,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:53:03,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:53:03,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:53:03,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:53:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 04:53:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 04:53:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:53:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:53:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:53:03,450 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:53:03,452 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:53:03,601 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 04:53:03,601 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:53:03,616 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:53:03,616 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:53:03,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:03 BoogieIcfgContainer [2024-11-09 04:53:03,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:53:03,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:53:03,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:53:03,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:53:03,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:53:01" (1/3) ... [2024-11-09 04:53:03,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f84689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:53:03, skipping insertion in model container [2024-11-09 04:53:03,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:53:03" (2/3) ... [2024-11-09 04:53:03,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f84689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:53:03, skipping insertion in model container [2024-11-09 04:53:03,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:03" (3/3) ... [2024-11-09 04:53:03,631 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_18_bad.i [2024-11-09 04:53:03,651 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:53:03,662 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 04:53:03,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:53:03,727 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;@2cd4726e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:53:03,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 04:53:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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 04:53:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 04:53:03,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:53:03,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:53:03,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 04:53:03,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:53:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1176095353, now seen corresponding path program 1 times [2024-11-09 04:53:03,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:53:03,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518442178] [2024-11-09 04:53:03,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:53:03,762 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 04:53:03,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:53:03,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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 04:53:03,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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 04:53:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:53:03,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:53:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:53:03,972 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 04:53:03,975 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:53:03,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 04:53:03,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 04:53:03,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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 04:53:04,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/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 04:53:04,184 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:53:04,205 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:53:04,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:53:04 BoogieIcfgContainer [2024-11-09 04:53:04,209 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:53:04,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:53:04,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:53:04,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:53:04,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:53:03" (3/4) ... [2024-11-09 04:53:04,213 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:53:04,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:53:04,216 INFO L158 Benchmark]: Toolchain (without parser) took 2545.44ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.4MB in the beginning and 47.1MB in the end (delta: -7.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-09 04:53:04,217 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:53:04,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1459.15ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 55.7MB in the end (delta: -16.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-09 04:53:04,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.59ms. Allocated memory is still 90.2MB. Free memory was 55.7MB in the beginning and 52.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:53:04,219 INFO L158 Benchmark]: Boogie Preprocessor took 28.53ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:53:04,220 INFO L158 Benchmark]: RCFGBuilder took 395.80ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 38.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 04:53:04,221 INFO L158 Benchmark]: TraceAbstraction took 586.79ms. Allocated memory is still 90.2MB. Free memory was 37.3MB in the beginning and 47.6MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:53:04,221 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 90.2MB. Free memory was 47.6MB in the beginning and 47.1MB in the end (delta: 484.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:53:04,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1459.15ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 55.7MB in the end (delta: -16.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.59ms. Allocated memory is still 90.2MB. Free memory was 55.7MB in the beginning and 52.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.53ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.80ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 38.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 586.79ms. Allocated memory is still 90.2MB. Free memory was 37.3MB in the beginning and 47.6MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 90.2MB. Free memory was 47.6MB in the beginning and 47.1MB in the end (delta: 484.1kB). 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: 1558]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_18_bad() [L1550] int data; [L1551] data = 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] [L1558] 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: 1558]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s 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 04:53:04,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e653a98f-dc50-4651-98d9-eb8444d1a2d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample