./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya --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 733a3ef8914710e324dde3b43449fc37b847c8432b1a280fcb104dc2a402608b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:24:26,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:24:26,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 00:24:26,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:24:26,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:24:26,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:24:26,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:24:26,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:24:26,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:24:26,705 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:24:26,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:24:26,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:24:26,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:24:26,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:24:26,708 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:24:26,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:24:26,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:24:26,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:24:26,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:24:26,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:24:26,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:24:26,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:24:26,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:24:26,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:24:26,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:24:26,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:24:26,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:24:26,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:24:26,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:24:26,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:24:26,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:24:26,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:24:26,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:24:26,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:24:26,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:24:26,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:24:26,718 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:24:26,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:24:26,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:24:26,718 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:24:26,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:24:26,719 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_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 733a3ef8914710e324dde3b43449fc37b847c8432b1a280fcb104dc2a402608b [2023-11-29 00:24:26,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:24:26,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:24:26,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:24:26,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:24:26,965 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:24:26,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_68_bad.i [2023-11-29 00:24:29,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:24:30,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:24:30,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_68_bad.i [2023-11-29 00:24:30,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data/5f80f879c/e788653abfd144a2be8c12728eafa2f3/FLAG378e08f6f [2023-11-29 00:24:30,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data/5f80f879c/e788653abfd144a2be8c12728eafa2f3 [2023-11-29 00:24:30,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:24:30,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:24:30,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:24:30,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:24:30,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:24:30,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:24:30" (1/1) ... [2023-11-29 00:24:30,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c77923a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:30, skipping insertion in model container [2023-11-29 00:24:30,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:24:30" (1/1) ... [2023-11-29 00:24:30,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:24:30,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:24:30,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:24:30,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:24:31,010 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:31,011 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:31,030 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:31,030 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:31,035 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:24:31,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31 WrapperNode [2023-11-29 00:24:31,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:24:31,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:24:31,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:24:31,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:24:31,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,089 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2023-11-29 00:24:31,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:24:31,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:24:31,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:24:31,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:24:31,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,118 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-29 00:24:31,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:24:31,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:24:31,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:24:31,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:24:31,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (1/1) ... [2023-11-29 00:24:31,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:24:31,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:24:31,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:24:31,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:24:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 00:24:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 00:24:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:24:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:24:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:24:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 00:24:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:24:31,347 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:24:31,350 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:24:31,442 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:24:31,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:24:31,474 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:24:31,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:31 BoogieIcfgContainer [2023-11-29 00:24:31,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:24:31,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:24:31,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:24:31,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:24:31,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:24:30" (1/3) ... [2023-11-29 00:24:31,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1970bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:24:31, skipping insertion in model container [2023-11-29 00:24:31,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:31" (2/3) ... [2023-11-29 00:24:31,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1970bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:24:31, skipping insertion in model container [2023-11-29 00:24:31,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:31" (3/3) ... [2023-11-29 00:24:31,484 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_68_bad.i [2023-11-29 00:24:31,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:24:31,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 00:24:31,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:24:31,554 INFO L357 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, mHoare=true, 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;@5076d84b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:24:31,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 00:24:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-29 00:24:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 00:24:31,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:24:31,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:31,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 00:24:31,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:31,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2023-11-29 00:24:31,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:31,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621020958] [2023-11-29 00:24:31,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:31,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:31,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:31,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:24:31,743 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:24:31,744 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 00:24:31,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 00:24:31,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:24:31,751 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 00:24:31,755 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:24:31,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-29 00:24:31,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:24:31 BoogieIcfgContainer [2023-11-29 00:24:31,777 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:24:31,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:24:31,778 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:24:31,778 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:24:31,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:31" (3/4) ... [2023-11-29 00:24:31,780 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:24:31,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:24:31,783 INFO L158 Benchmark]: Toolchain (without parser) took 1724.93ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 116.5MB in the beginning and 126.8MB in the end (delta: -10.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-29 00:24:31,783 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:24:31,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.12ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 116.0MB in the beginning and 161.4MB in the end (delta: -45.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2023-11-29 00:24:31,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.99ms. Allocated memory is still 197.1MB. Free memory was 161.4MB in the beginning and 158.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:24:31,785 INFO L158 Benchmark]: Boogie Preprocessor took 42.20ms. Allocated memory is still 197.1MB. Free memory was 158.3MB in the beginning and 155.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:24:31,786 INFO L158 Benchmark]: RCFGBuilder took 341.23ms. Allocated memory is still 197.1MB. Free memory was 155.1MB in the beginning and 142.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:24:31,787 INFO L158 Benchmark]: TraceAbstraction took 299.50ms. Allocated memory is still 197.1MB. Free memory was 141.5MB in the beginning and 126.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 00:24:31,787 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 197.1MB. Free memory was 126.8MB in the beginning and 126.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:24:31,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.12ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 116.0MB in the beginning and 161.4MB in the end (delta: -45.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.99ms. Allocated memory is still 197.1MB. Free memory was 161.4MB in the beginning and 158.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.20ms. Allocated memory is still 197.1MB. Free memory was 158.3MB in the beginning and 155.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 341.23ms. Allocated memory is still 197.1MB. Free memory was 155.1MB in the beginning and 142.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 299.50ms. Allocated memory is still 197.1MB. Free memory was 141.5MB in the beginning and 126.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 197.1MB. Free memory was 126.8MB in the beginning and 126.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1575]: 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 1563. 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); [L1548] int CWE191_Integer_Underflow__int_min_predec_68_badData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_min_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = (-0x7fffffff - 1) [L1557] CWE191_Integer_Underflow__int_min_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_min_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_min_predec_68_badData; VAL [CWE191_Integer_Underflow__int_min_predec_68_badData=-2147483648, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_min_predec_68_badData=-2147483648, 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] - UnprovableResult [Line: 1575]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2023-11-29 00:24:31,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya --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 733a3ef8914710e324dde3b43449fc37b847c8432b1a280fcb104dc2a402608b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:24:33,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:24:33,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 00:24:33,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:24:33,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:24:33,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 00:24:33,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:24:33,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:24:33,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:24:33,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:24:33,829 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:24:33,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:24:33,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:24:33,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:24:33,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:24:33,832 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:24:33,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:24:33,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:24:33,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:24:33,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:24:33,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:24:33,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:24:33,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:24:33,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:24:33,836 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:24:33,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:24:33,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:24:33,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:24:33,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:24:33,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:24:33,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:24:33,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:24:33,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:24:33,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:24:33,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:24:33,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:24:33,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:24:33,840 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:24:33,840 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:24:33,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:24:33,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:24:33,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:24:33,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:24:33,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:24:33,842 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:24:33,842 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_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 733a3ef8914710e324dde3b43449fc37b847c8432b1a280fcb104dc2a402608b [2023-11-29 00:24:34,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:24:34,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:24:34,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:24:34,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:24:34,143 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:24:34,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_68_bad.i [2023-11-29 00:24:36,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:24:37,151 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:24:37,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_68_bad.i [2023-11-29 00:24:37,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data/777a63b89/8750484ad1ff43c0b0c5f70b312c33bd/FLAGbaea66b49 [2023-11-29 00:24:37,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/data/777a63b89/8750484ad1ff43c0b0c5f70b312c33bd [2023-11-29 00:24:37,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:24:37,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:24:37,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:24:37,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:24:37,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:24:37,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:24:37" (1/1) ... [2023-11-29 00:24:37,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a61c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:37, skipping insertion in model container [2023-11-29 00:24:37,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:24:37" (1/1) ... [2023-11-29 00:24:37,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:24:37,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:24:38,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:24:38,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:24:38,214 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:38,215 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:38,215 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:38,215 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:24:38,222 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:24:38,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38 WrapperNode [2023-11-29 00:24:38,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:24:38,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:24:38,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:24:38,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:24:38,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,282 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2023-11-29 00:24:38,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:24:38,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:24:38,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:24:38,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:24:38,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,313 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-29 00:24:38,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:24:38,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:24:38,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:24:38,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:24:38,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (1/1) ... [2023-11-29 00:24:38,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:24:38,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:24:38,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:24:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:24:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 00:24:38,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 00:24:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:24:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:24:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:24:38,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:24:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 00:24:38,568 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:24:38,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:24:38,670 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:24:38,705 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:24:38,705 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:24:38,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:38 BoogieIcfgContainer [2023-11-29 00:24:38,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:24:38,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:24:38,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:24:38,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:24:38,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:24:37" (1/3) ... [2023-11-29 00:24:38,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447943ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:24:38, skipping insertion in model container [2023-11-29 00:24:38,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:24:38" (2/3) ... [2023-11-29 00:24:38,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447943ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:24:38, skipping insertion in model container [2023-11-29 00:24:38,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:38" (3/3) ... [2023-11-29 00:24:38,714 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_68_bad.i [2023-11-29 00:24:38,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:24:38,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 00:24:38,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:24:38,783 INFO L357 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, mHoare=true, 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;@3d175207, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:24:38,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 00:24:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-29 00:24:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 00:24:38,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:24:38,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:24:38,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 00:24:38,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:38,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2023-11-29 00:24:38,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:24:38,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309632471] [2023-11-29 00:24:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:38,811 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 [2023-11-29 00:24:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:24:38,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:24:38,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:24:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:38,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:24:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:24:38,969 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 00:24:38,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:24:38,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 00:24:38,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 00:24:38,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 00:24:39,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:24:39,178 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 00:24:39,181 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:24:39,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-29 00:24:39,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:24:39 BoogieIcfgContainer [2023-11-29 00:24:39,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:24:39,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:24:39,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:24:39,202 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:24:39,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:24:38" (3/4) ... [2023-11-29 00:24:39,205 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:24:39,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:24:39,207 INFO L158 Benchmark]: Toolchain (without parser) took 2013.25ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 43.0MB in the end (delta: 26.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-29 00:24:39,207 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:24:39,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1028.68ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 51.4MB in the end (delta: 17.9MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-29 00:24:39,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.43ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 48.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:24:39,209 INFO L158 Benchmark]: Boogie Preprocessor took 51.31ms. Allocated memory is still 94.4MB. Free memory was 48.3MB in the beginning and 45.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:24:39,210 INFO L158 Benchmark]: RCFGBuilder took 370.66ms. Allocated memory is still 94.4MB. Free memory was 45.8MB in the beginning and 59.3MB in the end (delta: -13.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-29 00:24:39,210 INFO L158 Benchmark]: TraceAbstraction took 493.03ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 43.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 00:24:39,211 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 43.0MB in the end (delta: 504.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:24:39,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1028.68ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 51.4MB in the end (delta: 17.9MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.43ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 48.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.31ms. Allocated memory is still 94.4MB. Free memory was 48.3MB in the beginning and 45.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.66ms. Allocated memory is still 94.4MB. Free memory was 45.8MB in the beginning and 59.3MB in the end (delta: -13.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * TraceAbstraction took 493.03ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 43.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 43.0MB in the end (delta: 504.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1575]: 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 1563. 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); [L1549] int CWE191_Integer_Underflow__int_min_predec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_predec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_min_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = (-0x7fffffff - 1) [L1557] CWE191_Integer_Underflow__int_min_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_min_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_min_predec_68_badData; VAL [CWE191_Integer_Underflow__int_min_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_predec_68_goodG2BData=0, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_min_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_min_predec_68_goodG2BData=0, 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] - UnprovableResult [Line: 1575]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 8 NumberOfCodeBlocks, 8 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 [2023-11-29 00:24:39,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b58d9da-8ee6-429c-ab69-17b984f51d8d/bin/uautomizer-verify-BQ2R08f2Ya/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