./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/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_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/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_774bf477-ec10-406e-bca6-de0001c171e0/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:46:44,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:46:45,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:46:45,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:46:45,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:46:45,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:46:45,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:46:45,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:46:45,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:46:45,060 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:46:45,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:46:45,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:46:45,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:46:45,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:46:45,063 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:46:45,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:46:45,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:46:45,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:46:45,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:46:45,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:46:45,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:46:45,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:46:45,067 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:46:45,067 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:46:45,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:46:45,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:46:45,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:46:45,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:46:45,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:46:45,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:46:45,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:46:45,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:45,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:46:45,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:46:45,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:46:45,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:46:45,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:46:45,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:46:45,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:46:45,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:46:45,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:46:45,099 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_774bf477-ec10-406e-bca6-de0001c171e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-08 16:46:45,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:46:45,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:46:45,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:46:45,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:46:45,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:46:45,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i Unable to find full path for "g++" [2024-11-08 16:46:47,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:46:47,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:46:47,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-08 16:46:47,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data/465073b20/af583d38f490451b808105ed051d0b1b/FLAG23b46984d [2024-11-08 16:46:47,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data/465073b20/af583d38f490451b808105ed051d0b1b [2024-11-08 16:46:47,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:46:47,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:46:47,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:47,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:46:47,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:46:47,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:47" (1/1) ... [2024-11-08 16:46:47,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf25751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:47, skipping insertion in model container [2024-11-08 16:46:47,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:47" (1/1) ... [2024-11-08 16:46:48,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:46:49,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:49,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:46:49,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:49,535 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:46:49,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49 WrapperNode [2024-11-08 16:46:49,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:49,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:49,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:46:49,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:46:49,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,618 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-08 16:46:49,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:49,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:46:49,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:46:49,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:46:49,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,651 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-08 16:46:49,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:46:49,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:46:49,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:46:49,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:46:49,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (1/1) ... [2024-11-08 16:46:49,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:46:49,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:46:49,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:46:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:46:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:46:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:46:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:46:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:46:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:46:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:46:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:46:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:46:49,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:46:49,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:46:50,253 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-08 16:46:50,253 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:46:50,270 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:46:50,270 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:46:50,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:50 BoogieIcfgContainer [2024-11-08 16:46:50,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:46:50,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:46:50,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:46:50,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:46:50,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:46:47" (1/3) ... [2024-11-08 16:46:50,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a19f264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:50, skipping insertion in model container [2024-11-08 16:46:50,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49" (2/3) ... [2024-11-08 16:46:50,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a19f264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:50, skipping insertion in model container [2024-11-08 16:46:50,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:50" (3/3) ... [2024-11-08 16:46:50,284 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-08 16:46:50,304 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:46:50,304 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:46:50,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:46:50,406 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;@40d44106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:46:50,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:46:50,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 35 states have (on average 1.457142857142857) internal successors, (51), 37 states have internal predecessors, (51), 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 16:46:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 16:46:50,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:46:50,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:46:50,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:46:50,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:46:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1571693812, now seen corresponding path program 1 times [2024-11-08 16:46:50,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:46:50,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769708033] [2024-11-08 16:46:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:46:50,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:46:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:50,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:46:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:50,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:46:50,765 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:46:50,767 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:46:50,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:46:50,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:46:50,776 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:46:50,805 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:46:50,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:46:50 BoogieIcfgContainer [2024-11-08 16:46:50,809 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:46:50,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:46:50,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:46:50,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:46:50,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:50" (3/4) ... [2024-11-08 16:46:50,816 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:46:50,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:46:50,818 INFO L158 Benchmark]: Toolchain (without parser) took 2830.03ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 121.0MB in the beginning and 148.8MB in the end (delta: -27.8MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,819 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:46:50,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1547.14ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 120.7MB in the beginning and 192.8MB in the end (delta: -72.1MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.27ms. Allocated memory is still 241.2MB. Free memory was 192.8MB in the beginning and 189.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,822 INFO L158 Benchmark]: Boogie Preprocessor took 49.08ms. Allocated memory is still 241.2MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,824 INFO L158 Benchmark]: RCFGBuilder took 602.08ms. Allocated memory is still 241.2MB. Free memory was 187.6MB in the beginning and 169.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,824 INFO L158 Benchmark]: TraceAbstraction took 535.52ms. Allocated memory is still 241.2MB. Free memory was 168.7MB in the beginning and 148.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,826 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 241.2MB. Free memory was 148.8MB in the beginning and 148.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1547.14ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 120.7MB in the beginning and 192.8MB in the end (delta: -72.1MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.27ms. Allocated memory is still 241.2MB. Free memory was 192.8MB in the beginning and 189.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.08ms. Allocated memory is still 241.2MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.08ms. Allocated memory is still 241.2MB. Free memory was 187.6MB in the beginning and 169.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 535.52ms. Allocated memory is still 241.2MB. Free memory was 168.7MB in the beginning and 148.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 241.2MB. Free memory was 148.8MB in the beginning and 148.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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: 1563]: 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 1572. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={3:0}] [L1558] 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, myUnion={3:0}] [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={3:0}] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: 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, 41 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=41occurred 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, 15 NumberOfCodeBlocks, 15 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 16:46:50,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/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_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/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_774bf477-ec10-406e-bca6-de0001c171e0/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:46:53,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:46:53,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:46:53,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:46:53,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:46:53,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:46:53,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:46:53,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:46:53,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:46:53,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:46:53,621 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:46:53,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:46:53,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:46:53,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:46:53,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:46:53,627 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:46:53,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:46:53,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:46:53,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:46:53,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:46:53,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:46:53,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:46:53,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:46:53,630 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:46:53,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:46:53,630 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:46:53,630 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:46:53,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:46:53,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:46:53,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:46:53,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:46:53,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:46:53,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:46:53,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:46:53,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:53,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:46:53,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:46:53,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:46:53,637 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:46:53,637 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:46:53,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:46:53,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:46:53,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:46:53,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:46:53,638 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_774bf477-ec10-406e-bca6-de0001c171e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-08 16:46:54,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:46:54,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:46:54,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:46:54,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:46:54,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:46:54,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i Unable to find full path for "g++" [2024-11-08 16:46:56,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:46:56,508 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:46:56,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-08 16:46:56,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data/f91254684/25273f5250c24e8490f1e4dcecf2b3bb/FLAGe3a5b09f2 [2024-11-08 16:46:56,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/data/f91254684/25273f5250c24e8490f1e4dcecf2b3bb [2024-11-08 16:46:56,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:46:56,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:46:56,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:56,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:46:56,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:46:56,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:56" (1/1) ... [2024-11-08 16:46:56,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c57d957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:56, skipping insertion in model container [2024-11-08 16:46:56,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:56" (1/1) ... [2024-11-08 16:46:56,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:46:57,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:57,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:46:58,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:58,196 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:46:58,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58 WrapperNode [2024-11-08 16:46:58,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:58,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:58,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:46:58,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:46:58,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,258 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-08 16:46:58,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:58,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:46:58,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:46:58,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:46:58,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,290 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-08 16:46:58,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:46:58,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:46:58,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:46:58,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:46:58,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (1/1) ... [2024-11-08 16:46:58,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:58,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:46:58,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:46:58,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:46:58,404 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:46:58,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:46:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:46:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:46:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:46:58,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:46:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:46:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:46:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:46:58,598 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:46:58,601 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:46:58,790 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 16:46:58,790 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:46:58,805 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:46:58,805 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:46:58,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:58 BoogieIcfgContainer [2024-11-08 16:46:58,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:46:58,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:46:58,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:46:58,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:46:58,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:46:56" (1/3) ... [2024-11-08 16:46:58,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d6877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:58, skipping insertion in model container [2024-11-08 16:46:58,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:58" (2/3) ... [2024-11-08 16:46:58,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d6877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:58, skipping insertion in model container [2024-11-08 16:46:58,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:58" (3/3) ... [2024-11-08 16:46:58,818 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-08 16:46:58,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:46:58,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:46:58,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:46:58,920 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;@718dc533, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:46:58,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:46:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:46:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 16:46:58,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:46:58,934 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:46:58,934 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:46:58,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:46:58,940 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2024-11-08 16:46:58,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:46:58,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043667532] [2024-11-08 16:46:58,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:46:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:46:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:46:58,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:46:58,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:46:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:59,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:46:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:59,204 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:46:59,206 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:46:59,208 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:46:59,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:46:59,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:46:59,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:46:59,414 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:46:59,448 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:46:59,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:46:59 BoogieIcfgContainer [2024-11-08 16:46:59,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:46:59,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:46:59,455 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:46:59,456 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:46:59,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:58" (3/4) ... [2024-11-08 16:46:59,459 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:46:59,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:46:59,462 INFO L158 Benchmark]: Toolchain (without parser) took 2899.15ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 58.8MB in the beginning and 57.3MB in the end (delta: 1.6MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:59,463 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 61.8MB in the end (delta: 143.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:59,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1635.32ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 64.7MB in the end (delta: -6.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-08 16:46:59,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.58ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 61.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:59,467 INFO L158 Benchmark]: Boogie Preprocessor took 61.25ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 59.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:46:59,468 INFO L158 Benchmark]: RCFGBuilder took 485.06ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 76.1MB in the end (delta: -17.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-08 16:46:59,468 INFO L158 Benchmark]: TraceAbstraction took 643.51ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 57.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 16:46:59,471 INFO L158 Benchmark]: Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 57.3MB in the end (delta: 646.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:46:59,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 61.8MB in the end (delta: 143.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1635.32ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 64.7MB in the end (delta: -6.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.58ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 61.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.25ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 59.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 485.06ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 76.1MB in the end (delta: -17.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * TraceAbstraction took 643.51ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 57.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 57.3MB in the end (delta: 646.2kB). 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: 1563]: 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 1572. 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] [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={3:0}] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:46:59,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774bf477-ec10-406e-bca6-de0001c171e0/bin/uautomizer-verify-jihMAELWvX/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 Result: UNKNOWN: Overapproximated counterexample