./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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 a0e5b1f876e3e933b0f328a5dcdac3eb610b6a210c6b937c3fe1e36b0a6e9d05 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:46:44,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:46:44,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:46:44,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:46:44,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:46:44,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:46:44,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:46:44,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:46:44,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:46:44,954 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:46:44,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:46:44,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:46:44,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:46:44,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:46:44,956 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:46:44,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:46:44,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:46:44,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:46:44,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:46:44,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:46:44,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:46:44,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:46:44,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:46:44,966 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:46:44,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:46:44,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:46:44,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:46:44,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:46:44,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:46:44,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:46:44,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:46:44,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:44,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:46:44,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:46:44,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:46:44,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:46:44,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:46:44,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:46:44,973 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:46:44,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:46:44,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:46:44,974 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_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e5b1f876e3e933b0f328a5dcdac3eb610b6a210c6b937c3fe1e36b0a6e9d05 [2024-11-08 16:46:45,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:46:45,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:46:45,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:46:45,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:46:45,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:46:45,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_11_bad.i Unable to find full path for "g++" [2024-11-08 16:46:47,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:46:47,589 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:46:47,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_11_bad.i [2024-11-08 16:46:47,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data/8f65752b2/74b94471afd24eb09ad37394bf7420aa/FLAG74ea59719 [2024-11-08 16:46:47,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data/8f65752b2/74b94471afd24eb09ad37394bf7420aa [2024-11-08 16:46:47,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:46:47,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:46:47,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:47,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:46:47,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:46:47,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:47" (1/1) ... [2024-11-08 16:46:47,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62692908 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 16:46:47,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:47" (1/1) ... [2024-11-08 16:46:47,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:46:48,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:48,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:46:48,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:49,133 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:46:49,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:49 WrapperNode [2024-11-08 16:46:49,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:49,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:49,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:46:49,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:46:49,143 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 16:46:49,163 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 16:46:49,184 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-08 16:46:49,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:49,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:46:49,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:46:49,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:46:49,197 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 16:46:49,197 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 16:46:49,199 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 16:46:49,215 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:46:49,215 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 16:46:49,215 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 16:46:49,222 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 16:46:49,225 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 16:46:49,226 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 16:46:49,227 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 16:46:49,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:46:49,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:46:49,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:46:49,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:46:49,232 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 16:46:49,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:49,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:46:49,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:46:49,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:46:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:46:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:46:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 16:46:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 16:46:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:46:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:46:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:46:49,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:46:49,434 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:46:49,581 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 16:46:49,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:46:49,598 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:46:49,599 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:46:49,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:49 BoogieIcfgContainer [2024-11-08 16:46:49,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:46:49,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:46:49,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:46:49,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:46:49,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:46:47" (1/3) ... [2024-11-08 16:46:49,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f6470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:49, skipping insertion in model container [2024-11-08 16:46:49,608 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 16:46:49,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f6470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:49, skipping insertion in model container [2024-11-08 16:46:49,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:49" (3/3) ... [2024-11-08 16:46:49,611 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_11_bad.i [2024-11-08 16:46:49,630 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:46:49,630 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:46:49,704 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:46:49,711 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;@65bacd01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:46:49,712 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:46:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 16:46:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 16:46:49,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:46:49,724 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:46:49,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:46:49,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:46:49,732 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times [2024-11-08 16:46:49,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:46:49,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452450703] [2024-11-08 16:46:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:46:49,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:46:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:49,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:46:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:49,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:46:49,971 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:46:49,972 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:46:49,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:46:49,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:46:49,979 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:46:50,014 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:46:50,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:46:50 BoogieIcfgContainer [2024-11-08 16:46:50,019 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:46:50,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:46:50,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:46:50,020 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:46:50,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:49" (3/4) ... [2024-11-08 16:46:50,024 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:46:50,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:46:50,026 INFO L158 Benchmark]: Toolchain (without parser) took 2386.51ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 71.7MB in the end (delta: 45.0MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,027 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:46:50,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1493.48ms. Allocated memory is still 155.2MB. Free memory was 116.2MB in the beginning and 106.6MB in the end (delta: 9.6MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.82ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 103.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,030 INFO L158 Benchmark]: Boogie Preprocessor took 44.66ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,031 INFO L158 Benchmark]: RCFGBuilder took 370.16ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 89.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,032 INFO L158 Benchmark]: TraceAbstraction took 416.88ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 72.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,033 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 155.2MB. Free memory was 72.4MB in the beginning and 71.7MB in the end (delta: 714.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:50,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1493.48ms. Allocated memory is still 155.2MB. Free memory was 116.2MB in the beginning and 106.6MB in the end (delta: 9.6MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.82ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 103.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.66ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.16ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 89.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 416.88ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 72.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 155.2MB. Free memory was 72.4MB in the beginning and 71.7MB in the end (delta: 714.7kB). 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: 1559]: 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 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data - 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] - UnprovableResult [Line: 1559]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=28occurred 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, 21 NumberOfCodeBlocks, 21 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 16:46:50,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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 a0e5b1f876e3e933b0f328a5dcdac3eb610b6a210c6b937c3fe1e36b0a6e9d05 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:46:52,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:46:52,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:46:52,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:46:52,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:46:52,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:46:52,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:46:52,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:46:52,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:46:52,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:46:52,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:46:52,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:46:52,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:46:52,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:46:52,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:46:52,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:46:52,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:46:52,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:46:52,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:46:52,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:46:52,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:46:52,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:46:52,623 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:46:52,623 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:46:52,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:46:52,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:46:52,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:46:52,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:46:52,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:46:52,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:46:52,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:46:52,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:46:52,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:46:52,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:46:52,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:52,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:46:52,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:46:52,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:46:52,629 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:46:52,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:46:52,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:46:52,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:46:52,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:46:52,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:46:52,638 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_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e5b1f876e3e933b0f328a5dcdac3eb610b6a210c6b937c3fe1e36b0a6e9d05 [2024-11-08 16:46:53,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:46:53,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:46:53,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:46:53,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:46:53,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:46:53,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_11_bad.i Unable to find full path for "g++" [2024-11-08 16:46:55,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:46:55,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:46:55,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_11_bad.i [2024-11-08 16:46:55,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data/47401b000/2f5025dc23974340bccb8b2d618d03e0/FLAGbaeb5d90a [2024-11-08 16:46:55,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/data/47401b000/2f5025dc23974340bccb8b2d618d03e0 [2024-11-08 16:46:55,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:46:55,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:46:55,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:55,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:46:55,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:46:55,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:55" (1/1) ... [2024-11-08 16:46:55,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a65839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:55, skipping insertion in model container [2024-11-08 16:46:55,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:46:55" (1/1) ... [2024-11-08 16:46:55,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:46:56,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:56,798 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:46:56,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:46:57,146 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:46:57,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57 WrapperNode [2024-11-08 16:46:57,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:46:57,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:57,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:46:57,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:46:57,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,221 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 16:46:57,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:46:57,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:46:57,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:46:57,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:46:57,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,254 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:46:57,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:46:57,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:46:57,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:46:57,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:46:57,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (1/1) ... [2024-11-08 16:46:57,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:46:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:46:57,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:46:57,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:46:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:46:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:46:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 16:46:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 16:46:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:46:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:46:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:46:57,506 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:46:57,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:46:57,665 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 16:46:57,665 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:46:57,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:46:57,681 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:46:57,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:57 BoogieIcfgContainer [2024-11-08 16:46:57,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:46:57,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:46:57,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:46:57,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:46:57,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:46:55" (1/3) ... [2024-11-08 16:46:57,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35251160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:57, skipping insertion in model container [2024-11-08 16:46:57,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:46:57" (2/3) ... [2024-11-08 16:46:57,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35251160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:46:57, skipping insertion in model container [2024-11-08 16:46:57,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:57" (3/3) ... [2024-11-08 16:46:57,690 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_11_bad.i [2024-11-08 16:46:57,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:46:57,709 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:46:57,796 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:46:57,802 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;@45f722d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:46:57,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:46:57,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 16:46:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 16:46:57,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:46:57,812 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:46:57,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:46:57,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:46:57,818 INFO L85 PathProgramCache]: Analyzing trace with hash -2101909711, now seen corresponding path program 1 times [2024-11-08 16:46:57,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:46:57,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849511960] [2024-11-08 16:46:57,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:46:57,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:46:57,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:46:57,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:46:57,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:46:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:57,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:46:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:46:58,034 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:46:58,036 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:46:58,037 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:46:58,039 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:46:58,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:46:58,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:46:58,243 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:46:58,284 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:46:58,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:46:58 BoogieIcfgContainer [2024-11-08 16:46:58,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:46:58,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:46:58,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:46:58,289 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:46:58,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:46:57" (3/4) ... [2024-11-08 16:46:58,292 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:46:58,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:46:58,295 INFO L158 Benchmark]: Toolchain (without parser) took 2707.18ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.9MB in the beginning and 48.3MB in the end (delta: -5.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-08 16:46:58,296 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:46:58,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1556.54ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 58.4MB in the end (delta: -15.6MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-08 16:46:58,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.30ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 55.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:46:58,300 INFO L158 Benchmark]: Boogie Preprocessor took 47.52ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 53.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:46:58,301 INFO L158 Benchmark]: RCFGBuilder took 410.12ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:46:58,302 INFO L158 Benchmark]: TraceAbstraction took 604.80ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 48.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:46:58,303 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 48.3MB in the end (delta: 482.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:46:58,308 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1556.54ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 58.4MB in the end (delta: -15.6MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.30ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 55.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.52ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 53.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 410.12ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 604.80ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 48.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 48.3MB in the end (delta: 482.7kB). 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: 1559]: 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 1567. 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_11_bad() [L1550] int data; [L1551] 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data - 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] - UnprovableResult [Line: 1559]: 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 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 2, 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=26occurred 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, 19 NumberOfCodeBlocks, 19 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 16:46:58,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835f2f8c-5ac8-4d43-aea5-0dd3732256c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample