./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 2d2be959d2a685fd5ed3d2993004d49c4aa32189e4b5e04ea173c3fddc60ff6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:47:37,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:47:37,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 02:47:37,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:47:37,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:47:37,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:47:37,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:47:37,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:47:37,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:47:37,927 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:47:37,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:47:37,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:47:37,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:47:37,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:47:37,931 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:47:37,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:47:37,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:47:37,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:47:37,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:47:37,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:47:37,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:47:37,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:47:37,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:47:37,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:47:37,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:47:37,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:47:37,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:47:37,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:47:37,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:47:37,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:47:37,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:47:37,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:47:37,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:47:37,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:47:37,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:47:37,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:47:37,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:47:37,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:47:37,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:47:37,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:47:37,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:47:37,943 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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2be959d2a685fd5ed3d2993004d49c4aa32189e4b5e04ea173c3fddc60ff6d [2023-11-29 02:47:38,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:47:38,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:47:38,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:47:38,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:47:38,212 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:47:38,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_bad.i [2023-11-29 02:47:40,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:47:41,304 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:47:41,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_bad.i [2023-11-29 02:47:41,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data/2af287d59/c16f8b6032954563994170f65ddec566/FLAG3f46d9152 [2023-11-29 02:47:41,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data/2af287d59/c16f8b6032954563994170f65ddec566 [2023-11-29 02:47:41,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:47:41,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:47:41,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:47:41,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:47:41,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:47:41,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:41" (1/1) ... [2023-11-29 02:47:41,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c28313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:41, skipping insertion in model container [2023-11-29 02:47:41,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:41" (1/1) ... [2023-11-29 02:47:41,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:47:42,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:47:42,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:47:42,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:47:43,060 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:43,060 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:43,060 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:43,061 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:43,066 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:47:43,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43 WrapperNode [2023-11-29 02:47:43,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:47:43,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:47:43,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:47:43,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:47:43,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,131 INFO L138 Inliner]: procedures = 936, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-11-29 02:47:43,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:47:43,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:47:43,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:47:43,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:47:43,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,158 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 02:47:43,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:47:43,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:47:43,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:47:43,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:47:43,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (1/1) ... [2023-11-29 02:47:43,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:47:43,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:47:43,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:47:43,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:47:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:47:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:47:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:47:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 02:47:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 02:47:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 02:47:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:47:43,362 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:47:43,364 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:47:43,464 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:47:43,492 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:47:43,493 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:47:43,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:43 BoogieIcfgContainer [2023-11-29 02:47:43,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:47:43,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:47:43,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:47:43,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:47:43,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:47:41" (1/3) ... [2023-11-29 02:47:43,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a08baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:47:43, skipping insertion in model container [2023-11-29 02:47:43,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:43" (2/3) ... [2023-11-29 02:47:43,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a08baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:47:43, skipping insertion in model container [2023-11-29 02:47:43,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:43" (3/3) ... [2023-11-29 02:47:43,502 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_15_bad.i [2023-11-29 02:47:43,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:47:43,521 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:47:43,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:47:43,575 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;@4078ee14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:47:43,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:47:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:47:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 02:47:43,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:43,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:43,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:47:43,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:43,593 INFO L85 PathProgramCache]: Analyzing trace with hash -791268722, now seen corresponding path program 1 times [2023-11-29 02:47:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:47:43,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508322700] [2023-11-29 02:47:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:47:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:47:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:43,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:47:43,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:47:43,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508322700] [2023-11-29 02:47:43,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508322700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:47:43,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:47:43,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:47:43,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844036772] [2023-11-29 02:47:43,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:47:43,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:47:43,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:47:43,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:47:43,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:47:43,847 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:47:43,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:47:43,882 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2023-11-29 02:47:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:47:43,884 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-29 02:47:43,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:47:43,891 INFO L225 Difference]: With dead ends: 24 [2023-11-29 02:47:43,891 INFO L226 Difference]: Without dead ends: 16 [2023-11-29 02:47:43,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:47:43,897 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:47:43,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:47:43,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-29 02:47:43,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-29 02:47:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 02:47:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-29 02:47:43,930 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2023-11-29 02:47:43,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:47:43,931 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-29 02:47:43,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:47:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-29 02:47:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:47:43,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:43,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:43,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:47:43,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:47:43,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1240473457, now seen corresponding path program 1 times [2023-11-29 02:47:43,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:47:43,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906437965] [2023-11-29 02:47:43,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:47:43,960 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:47:43,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621010825] [2023-11-29 02:47:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:43,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:47:43,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:47:43,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:47:43,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:47:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:47:44,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:47:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:47:44,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:47:44,103 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:47:44,104 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 02:47:44,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 02:47:44,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:47:44,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:47:44,317 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:47:44,320 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:47:44,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet187 [2023-11-29 02:47:44,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated [2023-11-29 02:47:44,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch184 could not be translated [2023-11-29 02:47:44,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch184 could not be translated [2023-11-29 02:47:44,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:47:44 BoogieIcfgContainer [2023-11-29 02:47:44,347 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:47:44,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:47:44,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:47:44,348 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:47:44,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:43" (3/4) ... [2023-11-29 02:47:44,350 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:47:44,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:47:44,351 INFO L158 Benchmark]: Toolchain (without parser) took 3000.74ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 80.1MB in the beginning and 60.5MB in the end (delta: 19.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-29 02:47:44,352 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:47:44,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1715.38ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 80.1MB in the beginning and 116.0MB in the end (delta: -35.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-11-29 02:47:44,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.13ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:47:44,353 INFO L158 Benchmark]: Boogie Preprocessor took 39.43ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:47:44,354 INFO L158 Benchmark]: RCFGBuilder took 321.05ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 96.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:47:44,354 INFO L158 Benchmark]: TraceAbstraction took 851.40ms. Allocated memory is still 159.4MB. Free memory was 95.1MB in the beginning and 61.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 02:47:44,355 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 159.4MB. Free memory was 61.6MB in the beginning and 60.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:47:44,358 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1715.38ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 80.1MB in the beginning and 116.0MB in the end (delta: -35.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.13ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 113.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.43ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.05ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 96.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 851.40ms. Allocated memory is still 159.4MB. Free memory was 95.1MB in the beginning and 61.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 159.4MB. Free memory was 61.6MB in the beginning and 60.5MB in the end (delta: 1.0MB). 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~nondet187 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch184 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch184 could not be translated - 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: 1849]: 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 1861. 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); [L1861] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1861] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1862] CALL CWE190_Integer_Overflow__int_max_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: [L1839] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1847] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1849] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1849]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 02:47:44,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 2d2be959d2a685fd5ed3d2993004d49c4aa32189e4b5e04ea173c3fddc60ff6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:47:46,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:47:46,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 02:47:46,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:47:46,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:47:46,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 02:47:46,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:47:46,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:47:46,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:47:46,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:47:46,470 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:47:46,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:47:46,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:47:46,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:47:46,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:47:46,473 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:47:46,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:47:46,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:47:46,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:47:46,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:47:46,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:47:46,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:47:46,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:47:46,478 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:47:46,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:47:46,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:47:46,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:47:46,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:47:46,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:47:46,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:47:46,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:47:46,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:47:46,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:47:46,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:47:46,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:47:46,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:47:46,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:47:46,483 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:47:46,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:47:46,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:47:46,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:47:46,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:47:46,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:47:46,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:47:46,485 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:47:46,485 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_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2be959d2a685fd5ed3d2993004d49c4aa32189e4b5e04ea173c3fddc60ff6d [2023-11-29 02:47:46,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:47:46,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:47:46,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:47:46,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:47:46,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:47:46,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_bad.i [2023-11-29 02:47:49,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:47:49,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:47:49,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_bad.i [2023-11-29 02:47:49,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data/fb3d07233/61f9495dc3844351a7332458a87598ad/FLAG3a644a1cd [2023-11-29 02:47:49,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/data/fb3d07233/61f9495dc3844351a7332458a87598ad [2023-11-29 02:47:49,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:47:49,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:47:49,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:47:49,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:47:49,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:47:49,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:49" (1/1) ... [2023-11-29 02:47:49,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ae7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:49, skipping insertion in model container [2023-11-29 02:47:49,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:47:49" (1/1) ... [2023-11-29 02:47:50,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:47:51,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:47:51,303 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:47:51,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:47:51,693 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:51,693 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:51,693 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:51,693 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:47:51,700 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:47:51,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51 WrapperNode [2023-11-29 02:47:51,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:47:51,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:47:51,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:47:51,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:47:51,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,773 INFO L138 Inliner]: procedures = 941, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-11-29 02:47:51,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:47:51,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:47:51,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:47:51,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:47:51,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,805 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 02:47:51,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:47:51,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:47:51,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:47:51,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:47:51,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (1/1) ... [2023-11-29 02:47:51,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:47:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:47:51,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:47:51,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:47:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:47:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:47:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:47:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 02:47:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 02:47:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 02:47:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:47:52,070 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:47:52,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:47:53,418 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:47:53,450 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:47:53,451 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:47:53,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:53 BoogieIcfgContainer [2023-11-29 02:47:53,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:47:53,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:47:53,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:47:53,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:47:53,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:47:49" (1/3) ... [2023-11-29 02:47:53,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304393e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:47:53, skipping insertion in model container [2023-11-29 02:47:53,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:47:51" (2/3) ... [2023-11-29 02:47:53,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304393e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:47:53, skipping insertion in model container [2023-11-29 02:47:53,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:53" (3/3) ... [2023-11-29 02:47:53,460 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_15_bad.i [2023-11-29 02:47:53,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:47:53,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 02:47:53,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:47:53,514 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;@5de74ac2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:47:53,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 02:47:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:47:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 02:47:53,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:53,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:53,524 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:47:53,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:53,528 INFO L85 PathProgramCache]: Analyzing trace with hash -791268722, now seen corresponding path program 1 times [2023-11-29 02:47:53,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:47:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802474097] [2023-11-29 02:47:53,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:53,539 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 02:47:53,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:47:53,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:53,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:53,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:47:53,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:47:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:47:53,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:47:53,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:47:53,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802474097] [2023-11-29 02:47:53,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802474097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:47:53,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:47:53,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:47:53,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971522284] [2023-11-29 02:47:53,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:47:53,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:47:53,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:47:53,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:47:53,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:47:53,750 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:47:54,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:47:54,835 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2023-11-29 02:47:54,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:47:54,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-29 02:47:54,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:47:54,843 INFO L225 Difference]: With dead ends: 42 [2023-11-29 02:47:54,843 INFO L226 Difference]: Without dead ends: 22 [2023-11-29 02:47:54,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:47:54,849 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:47:54,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 47 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:47:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-29 02:47:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2023-11-29 02:47:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:47:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2023-11-29 02:47:54,889 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 11 [2023-11-29 02:47:54,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:47:54,891 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2023-11-29 02:47:54,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:47:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-29 02:47:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:47:54,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:54,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:54,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:55,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:55,097 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:47:55,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:55,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1242257970, now seen corresponding path program 1 times [2023-11-29 02:47:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:47:55,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282663488] [2023-11-29 02:47:55,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:55,100 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 02:47:55,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:47:55,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:55,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 (3)] Waiting until timeout for monitored process [2023-11-29 02:47:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:47:55,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:47:55,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:47:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:47:55,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:47:55,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:47:55,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282663488] [2023-11-29 02:47:55,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282663488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:47:55,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:47:55,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:47:55,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495528704] [2023-11-29 02:47:55,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:47:55,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:47:55,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:47:55,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:47:55,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:47:55,190 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:47:55,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:47:55,203 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-11-29 02:47:55,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:47:55,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-29 02:47:55,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:47:55,204 INFO L225 Difference]: With dead ends: 26 [2023-11-29 02:47:55,204 INFO L226 Difference]: Without dead ends: 13 [2023-11-29 02:47:55,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:47:55,206 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:47:55,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:47:55,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-29 02:47:55,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 02:47:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:47:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-29 02:47:55,210 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 12 [2023-11-29 02:47:55,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:47:55,210 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-29 02:47:55,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 02:47:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-29 02:47:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:47:55,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:47:55,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:47:55,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 (3)] Ended with exit code 0 [2023-11-29 02:47:55,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:55,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 02:47:55,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:47:55,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1240473457, now seen corresponding path program 1 times [2023-11-29 02:47:55,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:47:55,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058044494] [2023-11-29 02:47:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:47:55,414 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 02:47:55,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:47:55,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:55,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 (4)] Waiting until timeout for monitored process [2023-11-29 02:47:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:47:55,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:47:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:47:55,601 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 02:47:55,602 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:47:55,603 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 02:47:55,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 02:47:55,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 (4)] Ended with exit code 0 [2023-11-29 02:47:55,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/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 02:47:55,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:47:55,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:47:55,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet185 [2023-11-29 02:47:55,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch180 could not be translated [2023-11-29 02:47:55,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated [2023-11-29 02:47:55,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated [2023-11-29 02:47:55,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:47:55 BoogieIcfgContainer [2023-11-29 02:47:55,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:47:55,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:47:55,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:47:55,833 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:47:55,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:47:53" (3/4) ... [2023-11-29 02:47:55,835 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:47:55,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:47:55,837 INFO L158 Benchmark]: Toolchain (without parser) took 5910.95ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 65.8MB in the beginning and 59.8MB in the end (delta: 6.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 02:47:55,837 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:47:55,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1773.57ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 65.5MB in the beginning and 72.8MB in the end (delta: -7.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-11-29 02:47:55,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.08ms. Allocated memory is still 111.1MB. Free memory was 72.8MB in the beginning and 68.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:47:55,838 INFO L158 Benchmark]: Boogie Preprocessor took 51.43ms. Allocated memory is still 111.1MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:47:55,839 INFO L158 Benchmark]: RCFGBuilder took 1625.16ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 48.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:47:55,839 INFO L158 Benchmark]: TraceAbstraction took 2378.84ms. Allocated memory is still 111.1MB. Free memory was 48.6MB in the beginning and 60.6MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:47:55,840 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 111.1MB. Free memory was 60.6MB in the beginning and 59.8MB in the end (delta: 782.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:47:55,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1773.57ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 65.5MB in the beginning and 72.8MB in the end (delta: -7.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.08ms. Allocated memory is still 111.1MB. Free memory was 72.8MB in the beginning and 68.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.43ms. Allocated memory is still 111.1MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1625.16ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 48.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2378.84ms. Allocated memory is still 111.1MB. Free memory was 48.6MB in the beginning and 60.6MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 111.1MB. Free memory was 60.6MB in the beginning and 59.8MB in the end (delta: 782.8kB). 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~nondet185 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch180 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch182 could not be translated - 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: 1849]: 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 1861. 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); [L1861] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1861] RET printLine("Calling bad()...") VAL [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] [L1862] CALL CWE190_Integer_Overflow__int_max_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: [L1839] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1847] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1849] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1849]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 36 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:47:55,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ee4616-342b-4ebd-b7ba-0faae08ad909/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample