./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC --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 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:42:27,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:42:28,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 22:42:28,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:42:28,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:42:28,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:42:28,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:42:28,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:42:28,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:42:28,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:42:28,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:42:28,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:42:28,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:42:28,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:42:28,071 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:42:28,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:42:28,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:42:28,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:42:28,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:42:28,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:42:28,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:42:28,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:42:28,073 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:42:28,073 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:42:28,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:42:28,073 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:42:28,073 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:42:28,073 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:42:28,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:42:28,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:42:28,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:42:28,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:28,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:42:28,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:28,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:42:28,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:42:28,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:42:28,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:42:28,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:42:28,076 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_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC 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 -> 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca [2024-11-23 22:42:28,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:42:28,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:42:28,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:42:28,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:42:28,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:42:28,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-23 22:42:32,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/data/837e3288a/b19dd98058b8449694dca8b550407862/FLAGf89e8050e [2024-11-23 22:42:32,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:42:32,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-23 22:42:32,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/data/837e3288a/b19dd98058b8449694dca8b550407862/FLAGf89e8050e [2024-11-23 22:42:33,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/data/837e3288a/b19dd98058b8449694dca8b550407862 [2024-11-23 22:42:33,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:42:33,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:42:33,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:42:33,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:42:33,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:42:33,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:33" (1/1) ... [2024-11-23 22:42:33,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b40e423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:33, skipping insertion in model container [2024-11-23 22:42:33,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:33" (1/1) ... [2024-11-23 22:42:33,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:42:34,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:42:34,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:42:34,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:42:34,538 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:42:34,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34 WrapperNode [2024-11-23 22:42:34,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:42:34,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:42:34,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:42:34,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:42:34,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,600 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-23 22:42:34,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:42:34,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:42:34,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:42:34,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:42:34,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,618 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,637 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 22:42:34,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:42:34,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:42:34,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:42:34,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:42:34,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (1/1) ... [2024-11-23 22:42:34,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:34,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:42:34,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:42:34,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:42:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 22:42:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 22:42:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:42:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:42:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:42:35,040 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:42:35,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:42:35,405 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-23 22:42:35,406 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:42:35,424 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:42:35,424 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:42:35,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:35 BoogieIcfgContainer [2024-11-23 22:42:35,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:42:35,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:42:35,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:42:35,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:42:35,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:42:33" (1/3) ... [2024-11-23 22:42:35,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dbb9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:35, skipping insertion in model container [2024-11-23 22:42:35,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:34" (2/3) ... [2024-11-23 22:42:35,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dbb9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:35, skipping insertion in model container [2024-11-23 22:42:35,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:35" (3/3) ... [2024-11-23 22:42:35,443 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-23 22:42:35,464 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:42:35,468 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_07_bad.i that has 2 procedures, 43 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-23 22:42:35,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:42:35,589 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;@74eb394, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:42:35,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 22:42:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 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) [2024-11-23 22:42:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-23 22:42:35,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:35,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:35,608 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 22:42:35,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:35,617 INFO L85 PathProgramCache]: Analyzing trace with hash 433338487, now seen corresponding path program 1 times [2024-11-23 22:42:35,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:35,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334730121] [2024-11-23 22:42:35,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:35,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:42:35,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:35,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334730121] [2024-11-23 22:42:35,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334730121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:35,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:35,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:42:35,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951426831] [2024-11-23 22:42:35,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:35,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:42:35,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:35,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:42:35,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:42:35,983 INFO L87 Difference]: Start difference. First operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 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, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-23 22:42:36,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:42:36,026 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2024-11-23 22:42:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:42:36,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Word has length 11 [2024-11-23 22:42:36,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:42:36,043 INFO L225 Difference]: With dead ends: 59 [2024-11-23 22:42:36,044 INFO L226 Difference]: Without dead ends: 36 [2024-11-23 22:42:36,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:42:36,054 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:42:36,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:42:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-23 22:42:36,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-23 22:42:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.46875) internal successors, (47), 33 states have internal predecessors, (47), 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) [2024-11-23 22:42:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-23 22:42:36,115 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 11 [2024-11-23 22:42:36,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:42:36,116 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-23 22:42:36,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-23 22:42:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-23 22:42:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-23 22:42:36,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:36,120 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:36,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:42:36,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 22:42:36,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:36,122 INFO L85 PathProgramCache]: Analyzing trace with hash -423377772, now seen corresponding path program 1 times [2024-11-23 22:42:36,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:36,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048597909] [2024-11-23 22:42:36,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:42:36,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:36,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048597909] [2024-11-23 22:42:36,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048597909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:36,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:36,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:42:36,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195173883] [2024-11-23 22:42:36,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:36,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:42:36,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:36,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:42:36,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:42:36,748 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-23 22:42:36,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:42:36,972 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2024-11-23 22:42:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:42:36,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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 17 [2024-11-23 22:42:36,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:42:36,974 INFO L225 Difference]: With dead ends: 42 [2024-11-23 22:42:36,974 INFO L226 Difference]: Without dead ends: 41 [2024-11-23 22:42:36,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:42:36,978 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:42:36,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 191 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:42:36,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-23 22:42:36,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2024-11-23 22:42:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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) [2024-11-23 22:42:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2024-11-23 22:42:36,993 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 17 [2024-11-23 22:42:36,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:42:36,993 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2024-11-23 22:42:36,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-23 22:42:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-11-23 22:42:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-23 22:42:36,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:36,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:36,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:42:36,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 22:42:36,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:36,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1868440622, now seen corresponding path program 1 times [2024-11-23 22:42:37,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:37,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861479267] [2024-11-23 22:42:37,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:37,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:42:37,041 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:42:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:42:37,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:42:37,085 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:42:37,086 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 22:42:37,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 22:42:37,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:42:37,094 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 22:42:37,138 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:42:37,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:42:37 BoogieIcfgContainer [2024-11-23 22:42:37,144 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:42:37,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:42:37,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:42:37,148 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:42:37,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:35" (3/4) ... [2024-11-23 22:42:37,150 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-23 22:42:37,272 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-23 22:42:37,348 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:42:37,348 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:42:37,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:42:37,349 INFO L158 Benchmark]: Toolchain (without parser) took 4337.50ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 108.1MB in the end (delta: 5.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2024-11-23 22:42:37,350 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.4MB in the end (delta: 195.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:37,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.26ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 55.9MB in the end (delta: 57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-23 22:42:37,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.12ms. Allocated memory is still 142.6MB. Free memory was 55.7MB in the beginning and 53.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:42:37,352 INFO L158 Benchmark]: Boogie Preprocessor took 69.89ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 51.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:37,353 INFO L158 Benchmark]: RCFGBuilder took 752.84ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 105.4MB in the end (delta: -54.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-23 22:42:37,353 INFO L158 Benchmark]: TraceAbstraction took 1714.89ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 48.2MB in the end (delta: 56.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-23 22:42:37,353 INFO L158 Benchmark]: Witness Printer took 203.38ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 108.1MB in the end (delta: -59.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-23 22:42:37,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.4MB in the end (delta: 195.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.26ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 55.9MB in the end (delta: 57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.12ms. Allocated memory is still 142.6MB. Free memory was 55.7MB in the beginning and 53.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.89ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 51.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 752.84ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 105.4MB in the end (delta: -54.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1714.89ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 48.2MB in the end (delta: 56.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 203.38ms. Allocated memory is still 142.6MB. Free memory was 48.2MB in the beginning and 108.1MB in the end (delta: -59.9MB). Peak memory consumption was 11.0MB. 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 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a 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); [L1548] static int staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_07_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1555] 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, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 [L1560] 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, staticFive=5] - UnprovableResult [Line: 1560]: 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: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 93 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-23 22:42:37,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d575cdfa-cf0b-4dad-aa5f-ec5dda2c2f7a/bin/uautomizer-verify-LYvppIcaGC/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)