./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU --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 b9cacb57b6f73c3a78928b84882b84a361a5d4f2e2caa2bbd501ec84a802a4d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:03,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:03,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:13:03,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:03,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:03,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:03,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:03,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:03,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:03,688 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:03,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:03,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:03,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:03,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:03,691 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:03,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:03,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:03,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:03,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:03,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:03,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:03,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:03,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:03,700 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:13:03,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:13:03,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:03,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:03,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:03,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:03,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:03,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:03,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:03,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:03,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:03,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:03,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:03,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:03,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:03,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:03,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:03,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:03,706 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_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9cacb57b6f73c3a78928b84882b84a361a5d4f2e2caa2bbd501ec84a802a4d0 [2024-10-31 22:13:03,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:03,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:03,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:03,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:03,994 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:03,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_67_bad.i Unable to find full path for "g++" [2024-10-31 22:13:05,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:06,374 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:06,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_67_bad.i [2024-10-31 22:13:06,406 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data/860d2e391/beead3d203ba42dea579159b5487e2de/FLAG3fb3c3a5a [2024-10-31 22:13:06,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data/860d2e391/beead3d203ba42dea579159b5487e2de [2024-10-31 22:13:06,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:06,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:06,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:06,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:06,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:06,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:06" (1/1) ... [2024-10-31 22:13:06,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f5654e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:06, skipping insertion in model container [2024-10-31 22:13:06,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:06" (1/1) ... [2024-10-31 22:13:06,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:07,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:07,686 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:07,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:07,962 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:07,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07 WrapperNode [2024-10-31 22:13:07,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:07,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:07,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:07,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:07,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:07,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,027 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-10-31 22:13:08,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:08,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:08,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:08,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:08,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,065 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-10-31 22:13:08,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:08,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:08,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:08,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:08,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (1/1) ... [2024-10-31 22:13:08,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:08,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:08,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:08,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:13:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:13:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:13:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:13:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:13:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:08,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:13:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:13:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:13:08,367 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:08,370 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:08,532 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:08,533 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:08,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:08,556 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:13:08,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:08 BoogieIcfgContainer [2024-10-31 22:13:08,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:08,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:08,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:08,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:08,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:06" (1/3) ... [2024-10-31 22:13:08,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3a48db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:08, skipping insertion in model container [2024-10-31 22:13:08,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:07" (2/3) ... [2024-10-31 22:13:08,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3a48db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:08, skipping insertion in model container [2024-10-31 22:13:08,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:08" (3/3) ... [2024-10-31 22:13:08,567 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_67_bad.i [2024-10-31 22:13:08,596 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:08,596 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:13:08,718 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:08,741 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;@3740f2d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:08,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:13:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-10-31 22:13:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:13:08,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:08,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:08,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:13:08,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:08,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-10-31 22:13:08,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:08,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741426665] [2024-10-31 22:13:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:09,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:09,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:09,188 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:13:09,189 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:13:09,192 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:13:09,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:13:09,197 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:13:09,226 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:13:09,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:13:09 BoogieIcfgContainer [2024-10-31 22:13:09,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:13:09,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:09,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:09,230 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:09,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:08" (3/4) ... [2024-10-31 22:13:09,236 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:13:09,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:09,238 INFO L158 Benchmark]: Toolchain (without parser) took 2803.68ms. Allocated memory is still 146.8MB. Free memory was 109.8MB in the beginning and 104.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-10-31 22:13:09,239 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:09,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1524.12ms. Allocated memory is still 146.8MB. Free memory was 109.8MB in the beginning and 91.5MB in the end (delta: 18.3MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-10-31 22:13:09,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.77ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 88.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:09,242 INFO L158 Benchmark]: Boogie Preprocessor took 59.64ms. Allocated memory is still 146.8MB. Free memory was 88.6MB in the beginning and 85.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:09,243 INFO L158 Benchmark]: RCFGBuilder took 467.50ms. Allocated memory is still 146.8MB. Free memory was 85.9MB in the beginning and 72.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:13:09,243 INFO L158 Benchmark]: TraceAbstraction took 669.34ms. Allocated memory is still 146.8MB. Free memory was 72.1MB in the beginning and 105.5MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:09,244 INFO L158 Benchmark]: Witness Printer took 7.71ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 807.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:09,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1524.12ms. Allocated memory is still 146.8MB. Free memory was 109.8MB in the beginning and 91.5MB in the end (delta: 18.3MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.77ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 88.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.64ms. Allocated memory is still 146.8MB. Free memory was 88.6MB in the beginning and 85.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 467.50ms. Allocated memory is still 146.8MB. Free memory was 85.9MB in the beginning and 72.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 669.34ms. Allocated memory is still 146.8MB. Free memory was 72.1MB in the beginning and 105.5MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.71ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 807.9kB). 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: 1573]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_sub_67_structType myStruct; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_min_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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, 20 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=20occurred 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, 9 NumberOfCodeBlocks, 9 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 [2024-10-31 22:13:09,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/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_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU --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 b9cacb57b6f73c3a78928b84882b84a361a5d4f2e2caa2bbd501ec84a802a4d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:11,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:11,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:13:11,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:12,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:12,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:13:12,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:12,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:12,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:12,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:12,033 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:12,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:12,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:12,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:12,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:12,036 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:12,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:12,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:12,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:12,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:12,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:12,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:12,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:13:12,043 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:13:12,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:12,044 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:13:12,044 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:13:12,045 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:13:12,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:12,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:12,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:12,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:12,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:12,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:12,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:12,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:12,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:12,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:12,050 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:13:12,051 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:13:12,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:12,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:12,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:12,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:12,052 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:13:12,053 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_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9cacb57b6f73c3a78928b84882b84a361a5d4f2e2caa2bbd501ec84a802a4d0 [2024-10-31 22:13:12,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:12,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:12,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:12,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:12,532 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:12,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_67_bad.i Unable to find full path for "g++" [2024-10-31 22:13:14,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:15,365 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:15,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_67_bad.i [2024-10-31 22:13:15,406 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data/403264c20/0484fcd239ab4c139dd2514f91258095/FLAG3a5476937 [2024-10-31 22:13:15,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/data/403264c20/0484fcd239ab4c139dd2514f91258095 [2024-10-31 22:13:15,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:15,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:15,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:15,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:15,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:15,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:15" (1/1) ... [2024-10-31 22:13:15,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11447b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:15, skipping insertion in model container [2024-10-31 22:13:15,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:15" (1/1) ... [2024-10-31 22:13:15,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:16,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:16,663 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:16,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:17,010 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:17,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17 WrapperNode [2024-10-31 22:13:17,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:17,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:17,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:17,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:17,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,110 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-10-31 22:13:17,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:17,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:17,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:17,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:17,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,147 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-10-31 22:13:17,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:17,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:17,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:17,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:17,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:17,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:17,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:17,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:13:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:13:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:13:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 22:13:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-31 22:13:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:13:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-31 22:13:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-31 22:13:17,483 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:17,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:17,774 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:17,775 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:17,794 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:17,794 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:13:17,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:17 BoogieIcfgContainer [2024-10-31 22:13:17,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:17,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:17,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:17,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:17,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:15" (1/3) ... [2024-10-31 22:13:17,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f619b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:17, skipping insertion in model container [2024-10-31 22:13:17,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17" (2/3) ... [2024-10-31 22:13:17,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f619b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:17, skipping insertion in model container [2024-10-31 22:13:17,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:17" (3/3) ... [2024-10-31 22:13:17,813 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_67_bad.i [2024-10-31 22:13:17,838 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:17,838 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:13:17,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:17,943 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;@2f6afb92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:17,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 22:13:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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) [2024-10-31 22:13:17,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:13:17,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:17,962 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:17,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-31 22:13:17,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:17,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-10-31 22:13:17,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:13:17,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913442974] [2024-10-31 22:13:17,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:17,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:13:17,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:13:18,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:13:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:18,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:18,329 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:13:18,332 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:13:18,333 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-31 22:13:18,335 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-31 22:13:18,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:13:18,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:18,540 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:13:18,564 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:13:18,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:13:18 BoogieIcfgContainer [2024-10-31 22:13:18,567 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:13:18,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:18,568 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:18,568 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:18,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:17" (3/4) ... [2024-10-31 22:13:18,572 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:13:18,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:18,575 INFO L158 Benchmark]: Toolchain (without parser) took 3146.37ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 40.4MB in the end (delta: 24.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:18,575 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:18,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.95ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 51.8MB in the end (delta: 12.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-10-31 22:13:18,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.80ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 48.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:18,577 INFO L158 Benchmark]: Boogie Preprocessor took 70.96ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 46.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:18,578 INFO L158 Benchmark]: RCFGBuilder took 610.42ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 59.3MB in the end (delta: -13.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:18,579 INFO L158 Benchmark]: TraceAbstraction took 769.02ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 40.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:13:18,579 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 40.4MB in the end (delta: 536.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:18,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.95ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 51.8MB in the end (delta: 12.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.80ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 48.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.96ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 46.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 610.42ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 59.3MB in the end (delta: -13.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 769.02ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 40.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 40.4MB in the end (delta: 536.1kB). 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: 1573]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_sub_67_structType myStruct; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_min_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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: 1573]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 9 NumberOfCodeBlocks, 9 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 [2024-10-31 22:13:18,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6ea442-f541-4598-b44d-1550f468b6fe/bin/uautomizer-verify-4GaUIPS5ZU/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