./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0f333a4a65f45f5e90774529cbafc5bc0ad1a8905c7fe5e7683876868d5c642 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:53:57,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:53:57,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 13:53:57,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:53:57,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:53:57,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:53:57,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:53:57,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:53:57,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:53:57,176 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:53:57,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:53:57,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:53:57,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:53:57,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:53:57,177 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:53:57,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:53:57,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:53:57,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:53:57,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:53:57,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:53:57,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:53:57,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:53:57,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:53:57,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:53:57,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:53:57,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:53:57,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:53:57,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:53:57,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:53:57,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:53:57,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:53:57,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:53:57,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:53:57,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:53:57,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:53:57,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:53:57,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:53:57,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:53:57,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:53:57,184 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:53:57,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:53:57,184 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> e0f333a4a65f45f5e90774529cbafc5bc0ad1a8905c7fe5e7683876868d5c642 [2024-11-13 13:53:57,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:53:57,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:53:57,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:53:57,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:53:57,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:53:57,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i Unable to find full path for "g++" [2024-11-13 13:53:59,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:54:00,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:54:00,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i [2024-11-13 13:54:00,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data/419858f2d/7920def1134349d6bbaa3356ea9336d9/FLAG3b8910bf4 [2024-11-13 13:54:00,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data/419858f2d/7920def1134349d6bbaa3356ea9336d9 [2024-11-13 13:54:00,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:54:00,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:54:00,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:54:00,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:54:00,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:54:00,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:54:00" (1/1) ... [2024-11-13 13:54:00,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d015cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:00, skipping insertion in model container [2024-11-13 13:54:00,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:54:00" (1/1) ... [2024-11-13 13:54:00,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:54:01,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:54:01,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:54:02,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:54:02,212 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:54:02,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02 WrapperNode [2024-11-13 13:54:02,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:54:02,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:54:02,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:54:02,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:54:02,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,267 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 51 [2024-11-13 13:54:02,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:54:02,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:54:02,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:54:02,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:54:02,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,299 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:54:02,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:54:02,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:54:02,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:54:02,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:54:02,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (1/1) ... [2024-11-13 13:54:02,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:54:02,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:02,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:54:02,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:54:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:54:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:54:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:54:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:54:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:54:02,582 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:54:02,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:54:02,719 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 13:54:02,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:54:02,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:54:02,731 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:54:02,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:54:02 BoogieIcfgContainer [2024-11-13 13:54:02,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:54:02,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:54:02,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:54:02,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:54:02,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:54:00" (1/3) ... [2024-11-13 13:54:02,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7f4486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:54:02, skipping insertion in model container [2024-11-13 13:54:02,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:02" (2/3) ... [2024-11-13 13:54:02,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7f4486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:54:02, skipping insertion in model container [2024-11-13 13:54:02,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:54:02" (3/3) ... [2024-11-13 13:54:02,745 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i [2024-11-13 13:54:02,764 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:54:02,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:54:02,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:54:02,861 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=PETRI_NET, 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;@2d3f420b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:54:02,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:54:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-13 13:54:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:54:02,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:02,877 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:02,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:54:02,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:02,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-13 13:54:02,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:02,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010493338] [2024-11-13 13:54:02,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:02,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:03,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:54:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:54:03,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:03,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010493338] [2024-11-13 13:54:03,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010493338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:54:03,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:54:03,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:54:03,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253395236] [2024-11-13 13:54:03,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:54:03,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:54:03,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:03,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:54:03,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:54:03,501 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:54:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:03,543 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-13 13:54:03,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:54:03,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-13 13:54:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:03,556 INFO L225 Difference]: With dead ends: 22 [2024-11-13 13:54:03,556 INFO L226 Difference]: Without dead ends: 11 [2024-11-13 13:54:03,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:54:03,565 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:03,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:54:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-13 13:54:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-13 13:54:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:54:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 13:54:03,615 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-13 13:54:03,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:03,615 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-13 13:54:03,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:54:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 13:54:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:54:03,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:03,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:03,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:54:03,619 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:54:03,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash 59935507, now seen corresponding path program 1 times [2024-11-13 13:54:03,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:03,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448599193] [2024-11-13 13:54:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:03,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:54:03,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:54:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:54:03,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:54:03,721 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:54:03,723 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:54:03,726 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:54:03,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:54:03,732 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:54:03,762 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:54:03,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:54:03 BoogieIcfgContainer [2024-11-13 13:54:03,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:54:03,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:54:03,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:54:03,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:54:03,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:54:02" (3/4) ... [2024-11-13 13:54:03,778 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:54:03,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:54:03,782 INFO L158 Benchmark]: Toolchain (without parser) took 2994.21ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 35.3MB in the end (delta: 54.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 13:54:03,783 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:54:03,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.79ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.6MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 13:54:03,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:54:03,786 INFO L158 Benchmark]: Boogie Preprocessor took 44.79ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:54:03,786 INFO L158 Benchmark]: RCFGBuilder took 418.00ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 66.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:54:03,787 INFO L158 Benchmark]: TraceAbstraction took 1036.93ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 35.3MB in the end (delta: 30.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 13:54:03,788 INFO L158 Benchmark]: Witness Printer took 7.85ms. Allocated memory is still 117.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:54:03,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.79ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.6MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.79ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.00ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 66.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1036.93ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 35.3MB in the end (delta: 30.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.85ms. Allocated memory is still 117.4MB. Free memory is still 35.3MB. 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: 1577]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53d_badSink(data) [L1577] ++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: 1577]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:54:03,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0f333a4a65f45f5e90774529cbafc5bc0ad1a8905c7fe5e7683876868d5c642 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:54:07,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:54:07,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 13:54:07,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:54:07,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:54:07,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 13:54:07,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:54:07,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:54:07,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:54:07,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:54:07,310 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:54:07,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:54:07,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:54:07,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:54:07,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:54:07,311 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:54:07,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:54:07,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:54:07,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:54:07,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:54:07,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:54:07,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:54:07,313 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:54:07,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:54:07,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:54:07,314 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:54:07,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:54:07,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:54:07,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:54:07,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:54:07,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:54:07,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:54:07,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:54:07,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:54:07,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:54:07,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:54:07,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:54:07,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:54:07,317 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:54:07,317 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:54:07,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:54:07,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:54:07,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:54:07,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:54:07,318 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> e0f333a4a65f45f5e90774529cbafc5bc0ad1a8905c7fe5e7683876868d5c642 [2024-11-13 13:54:07,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:54:07,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:54:07,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:54:07,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:54:07,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:54:07,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i Unable to find full path for "g++" [2024-11-13 13:54:10,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:54:10,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:54:10,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i [2024-11-13 13:54:10,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data/9f33467a8/52c79acc9d8e493a95ff8309702ecdff/FLAG336f4e265 [2024-11-13 13:54:11,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/data/9f33467a8/52c79acc9d8e493a95ff8309702ecdff [2024-11-13 13:54:11,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:54:11,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:54:11,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:54:11,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:54:11,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:54:11,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:54:11" (1/1) ... [2024-11-13 13:54:11,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a16cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:11, skipping insertion in model container [2024-11-13 13:54:11,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:54:11" (1/1) ... [2024-11-13 13:54:11,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:54:12,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:54:12,535 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:54:12,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:54:12,923 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:54:12,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12 WrapperNode [2024-11-13 13:54:12,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:54:12,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:54:12,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:54:12,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:54:12,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:12,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,013 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 50 [2024-11-13 13:54:13,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:54:13,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:54:13,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:54:13,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:54:13,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,047 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 13:54:13,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:54:13,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:54:13,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:54:13,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:54:13,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (1/1) ... [2024-11-13 13:54:13,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:54:13,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:13,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:54:13,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:54:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 13:54:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 13:54:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:54:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:54:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:54:13,353 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:54:13,356 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:54:13,520 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 13:54:13,521 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:54:13,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:54:13,536 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:54:13,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:54:13 BoogieIcfgContainer [2024-11-13 13:54:13,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:54:13,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:54:13,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:54:13,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:54:13,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:54:11" (1/3) ... [2024-11-13 13:54:13,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5e3bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:54:13, skipping insertion in model container [2024-11-13 13:54:13,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:54:12" (2/3) ... [2024-11-13 13:54:13,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5e3bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:54:13, skipping insertion in model container [2024-11-13 13:54:13,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:54:13" (3/3) ... [2024-11-13 13:54:13,557 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i [2024-11-13 13:54:13,577 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:54:13,579 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_preinc_53_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 13:54:13,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:54:13,667 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=PETRI_NET, 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;@5e12f6ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:54:13,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:54:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-13 13:54:13,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:54:13,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:13,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:13,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:54:13,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:13,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1110312059, now seen corresponding path program 1 times [2024-11-13 13:54:13,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:54:13,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208728669] [2024-11-13 13:54:13,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:13,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:13,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:13,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:13,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:54:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:13,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:54:13,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:54:13,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:54:13,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:54:13,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208728669] [2024-11-13 13:54:13,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208728669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:54:13,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:54:13,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:54:13,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210715490] [2024-11-13 13:54:13,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:54:13,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:54:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:54:13,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:54:13,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:54:13,946 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:54:13,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:13,965 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-13 13:54:13,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:54:13,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-13 13:54:13,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:13,974 INFO L225 Difference]: With dead ends: 22 [2024-11-13 13:54:13,974 INFO L226 Difference]: Without dead ends: 11 [2024-11-13 13:54:13,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:54:13,981 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:13,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:54:13,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-13 13:54:14,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-13 13:54:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:54:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 13:54:14,022 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2024-11-13 13:54:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:14,022 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-13 13:54:14,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 13:54:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 13:54:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:54:14,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:14,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:14,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:54:14,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:14,228 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 13:54:14,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash 59935507, now seen corresponding path program 1 times [2024-11-13 13:54:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:54:14,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068485008] [2024-11-13 13:54:14,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:14,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:14,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:14,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:14,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:54:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:54:14,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:54:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:54:14,441 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:54:14,442 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:54:14,444 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 13:54:14,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 13:54:14,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:54:14,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:14,652 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:54:14,682 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:54:14,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:54:14 BoogieIcfgContainer [2024-11-13 13:54:14,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:54:14,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:54:14,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:54:14,692 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:54:14,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:54:13" (3/4) ... [2024-11-13 13:54:14,699 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:54:14,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:54:14,702 INFO L158 Benchmark]: Toolchain (without parser) took 3358.75ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 34.5MB in the end (delta: 22.8MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-11-13 13:54:14,703 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:54:14,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.78ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.8MB in the end (delta: 5.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 13:54:14,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.40ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:54:14,705 INFO L158 Benchmark]: Boogie Preprocessor took 56.53ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:54:14,706 INFO L158 Benchmark]: RCFGBuilder took 464.79ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 35.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:54:14,707 INFO L158 Benchmark]: TraceAbstraction took 1147.81ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 34.5MB in the end (delta: -205.8kB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-13 13:54:14,707 INFO L158 Benchmark]: Witness Printer took 9.93ms. Allocated memory is still 83.9MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:54:14,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.78ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.8MB in the end (delta: 5.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.40ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.53ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.79ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 35.1MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1147.81ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 34.5MB in the end (delta: -205.8kB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 9.93ms. Allocated memory is still 83.9MB. Free memory is still 34.5MB. 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: 1577]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_fscanf_preinc_53d_badSink(data) [L1577] ++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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:54:14,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2866b6a-4099-483c-8567-7d1deb8fff2e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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