./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_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_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX --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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:44:21,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:44:21,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:44:21,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:44:21,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:44:21,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:44:21,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:44:21,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:44:21,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:44:21,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:44:21,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:44:21,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:44:21,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:44:21,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:44:21,169 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:44:21,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:44:21,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:44:21,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:44:21,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:44:21,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:44:21,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:44:21,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:44:21,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:44:21,174 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:44:21,175 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:44:21,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:44:21,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:44:21,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:44:21,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:44:21,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:44:21,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:44:21,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:44:21,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:44:21,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:44:21,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:44:21,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:44:21,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:44:21,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:44:21,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:44:21,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:44:21,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:44:21,184 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2024-11-08 16:44:21,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:44:21,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:44:21,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:44:21,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:44:21,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:44:21,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i Unable to find full path for "g++" [2024-11-08 16:44:24,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:44:24,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:44:24,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-08 16:44:24,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data/02ab001a8/08100771786b4d10b773acab8d4c273a/FLAG934a7efd1 [2024-11-08 16:44:24,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data/02ab001a8/08100771786b4d10b773acab8d4c273a [2024-11-08 16:44:24,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:44:24,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:44:24,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:44:24,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:44:24,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:44:24,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:44:24" (1/1) ... [2024-11-08 16:44:24,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff47ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:24, skipping insertion in model container [2024-11-08 16:44:24,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:44:24" (1/1) ... [2024-11-08 16:44:24,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:44:26,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:44:26,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:44:26,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:44:26,468 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:44:26,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26 WrapperNode [2024-11-08 16:44:26,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:44:26,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:44:26,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:44:26,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:44:26,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,567 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-11-08 16:44:26,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:44:26,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:44:26,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:44:26,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:44:26,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,619 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:44:26,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:44:26,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:44:26,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:44:26,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:44:26,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (1/1) ... [2024-11-08 16:44:26,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:44:26,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:44:26,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:44:26,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:44:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:44:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:44:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:44:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:44:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:44:26,970 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:44:26,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:44:27,340 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-08 16:44:27,340 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:44:27,362 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:44:27,363 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:44:27,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:44:27 BoogieIcfgContainer [2024-11-08 16:44:27,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:44:27,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:44:27,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:44:27,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:44:27,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:44:24" (1/3) ... [2024-11-08 16:44:27,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d125af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:44:27, skipping insertion in model container [2024-11-08 16:44:27,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:26" (2/3) ... [2024-11-08 16:44:27,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d125af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:44:27, skipping insertion in model container [2024-11-08 16:44:27,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:44:27" (3/3) ... [2024-11-08 16:44:27,385 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-08 16:44:27,410 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:44:27,411 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:44:27,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:44:27,504 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;@2be0f763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:44:27,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:44:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 39 states have internal predecessors, (54), 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) [2024-11-08 16:44:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 16:44:27,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:44:27,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:44:27,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:44:27,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:44:27,535 INFO L85 PathProgramCache]: Analyzing trace with hash 858330459, now seen corresponding path program 1 times [2024-11-08 16:44:27,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:44:27,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671710939] [2024-11-08 16:44:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:44:27,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:44:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:44:27,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:44:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:44:27,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:44:27,890 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:44:27,892 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:44:27,895 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:44:27,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:44:27,901 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:44:27,934 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:44:27,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:44:27 BoogieIcfgContainer [2024-11-08 16:44:27,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:44:27,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:44:27,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:44:27,943 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:44:27,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:44:27" (3/4) ... [2024-11-08 16:44:27,947 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:44:27,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:44:27,950 INFO L158 Benchmark]: Toolchain (without parser) took 3332.16ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 114.2MB in the beginning and 117.1MB in the end (delta: -2.9MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-11-08 16:44:27,951 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:44:27,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1849.43ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 114.2MB in the beginning and 158.0MB in the end (delta: -43.8MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-08 16:44:27,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.13ms. Allocated memory is still 207.6MB. Free memory was 158.0MB in the beginning and 155.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:44:27,954 INFO L158 Benchmark]: Boogie Preprocessor took 87.70ms. Allocated memory is still 207.6MB. Free memory was 154.8MB in the beginning and 152.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:44:27,955 INFO L158 Benchmark]: RCFGBuilder took 707.26ms. Allocated memory is still 207.6MB. Free memory was 152.8MB in the beginning and 137.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:44:27,958 INFO L158 Benchmark]: TraceAbstraction took 566.96ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 118.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 16:44:27,959 INFO L158 Benchmark]: Witness Printer took 9.91ms. Allocated memory is still 207.6MB. Free memory was 118.1MB in the beginning and 117.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:44:27,964 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 151.0MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1849.43ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 114.2MB in the beginning and 158.0MB in the end (delta: -43.8MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.13ms. Allocated memory is still 207.6MB. Free memory was 158.0MB in the beginning and 155.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.70ms. Allocated memory is still 207.6MB. Free memory was 154.8MB in the beginning and 152.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 707.26ms. Allocated memory is still 207.6MB. Free memory was 152.8MB in the beginning and 137.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 566.96ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 118.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 9.91ms. Allocated memory is still 207.6MB. Free memory was 118.1MB in the beginning and 117.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1568]: 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 CWE191_Integer_Underflow__int_rand_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 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: 1568]: 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, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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 [2024-11-08 16:44:28,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/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 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_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX --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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:44:30,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:44:31,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:44:31,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:44:31,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:44:31,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:44:31,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:44:31,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:44:31,149 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:44:31,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:44:31,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:44:31,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:44:31,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:44:31,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:44:31,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:44:31,156 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:44:31,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:44:31,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:44:31,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:44:31,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:44:31,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:44:31,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:44:31,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:44:31,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:44:31,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:44:31,164 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:44:31,164 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:44:31,165 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:44:31,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:44:31,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:44:31,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:44:31,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:44:31,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:44:31,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:44:31,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:44:31,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:44:31,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:44:31,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:44:31,171 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:44:31,172 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:44:31,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:44:31,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:44:31,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:44:31,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:44:31,174 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2024-11-08 16:44:31,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:44:31,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:44:31,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:44:31,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:44:31,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:44:31,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i Unable to find full path for "g++" [2024-11-08 16:44:34,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:44:35,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:44:35,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-08 16:44:35,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data/e81d04fb9/249c8e90ecd1457b83862e316cc9494f/FLAG8d1cf899b [2024-11-08 16:44:35,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/data/e81d04fb9/249c8e90ecd1457b83862e316cc9494f [2024-11-08 16:44:35,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:44:35,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:44:35,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:44:35,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:44:35,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:44:35,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:44:35" (1/1) ... [2024-11-08 16:44:35,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ce796d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:35, skipping insertion in model container [2024-11-08 16:44:35,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:44:35" (1/1) ... [2024-11-08 16:44:35,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:44:36,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:44:36,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:44:36,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:44:37,031 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:44:37,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37 WrapperNode [2024-11-08 16:44:37,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:44:37,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:44:37,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:44:37,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:44:37,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,137 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-08 16:44:37,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:44:37,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:44:37,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:44:37,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:44:37,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,185 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:44:37,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:44:37,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:44:37,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:44:37,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:44:37,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (1/1) ... [2024-11-08 16:44:37,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:44:37,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:44:37,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:44:37,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:44:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:44:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:44:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:44:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:44:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:44:37,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:44:37,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:44:37,734 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 16:44:37,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:44:37,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:44:37,755 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:44:37,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:44:37 BoogieIcfgContainer [2024-11-08 16:44:37,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:44:37,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:44:37,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:44:37,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:44:37,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:44:35" (1/3) ... [2024-11-08 16:44:37,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7654c6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:44:37, skipping insertion in model container [2024-11-08 16:44:37,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:44:37" (2/3) ... [2024-11-08 16:44:37,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7654c6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:44:37, skipping insertion in model container [2024-11-08 16:44:37,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:44:37" (3/3) ... [2024-11-08 16:44:37,771 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-11-08 16:44:37,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:44:37,795 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:44:37,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:44:37,900 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;@44eeed47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:44:37,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:44:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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) [2024-11-08 16:44:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 16:44:37,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:44:37,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:44:37,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:44:37,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:44:37,930 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2024-11-08 16:44:37,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:44:37,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557621501] [2024-11-08 16:44:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:44:37,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:44:37,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:44:37,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:44:37,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:44:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:44:38,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:44:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:44:38,226 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:44:38,232 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:44:38,234 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:44:38,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:44:38,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:44:38,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:44:38,449 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:44:38,489 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:44:38,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:44:38 BoogieIcfgContainer [2024-11-08 16:44:38,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:44:38,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:44:38,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:44:38,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:44:38,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:44:37" (3/4) ... [2024-11-08 16:44:38,502 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:44:38,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:44:38,506 INFO L158 Benchmark]: Toolchain (without parser) took 3357.31ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.0MB in the beginning and 65.8MB in the end (delta: -15.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-08 16:44:38,507 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:44:38,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1879.91ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 73.7MB in the end (delta: -23.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-08 16:44:38,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.77ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 70.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:44:38,512 INFO L158 Benchmark]: Boogie Preprocessor took 86.52ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 68.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:44:38,514 INFO L158 Benchmark]: RCFGBuilder took 527.10ms. Allocated memory is still 102.8MB. Free memory was 68.1MB in the beginning and 53.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:44:38,514 INFO L158 Benchmark]: TraceAbstraction took 736.45ms. Allocated memory is still 102.8MB. Free memory was 53.4MB in the beginning and 65.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:44:38,517 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 102.8MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:44:38,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1879.91ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 73.7MB in the end (delta: -23.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.77ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 70.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.52ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 68.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.10ms. Allocated memory is still 102.8MB. Free memory was 68.1MB in the beginning and 53.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 736.45ms. Allocated memory is still 102.8MB. Free memory was 53.4MB in the beginning and 65.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 102.8MB. Free memory is still 65.8MB. 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: 1568]: 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 CWE191_Integer_Underflow__int_rand_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 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: 1568]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 12 NumberOfCodeBlocks, 12 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 [2024-11-08 16:44:38,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12092f0-5cb8-4a98-8ea7-ceee484c1710/bin/uautomizer-verify-jihMAELWvX/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