./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_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_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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_c6d92afc-6257-4091-bfbe-7a4da193471f/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:37:15,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:37:15,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 06:37:15,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:37:15,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:37:15,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:37:15,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:37:15,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:37:15,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:37:15,121 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:37:15,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:37:15,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:37:15,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:37:15,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:37:15,123 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:37:15,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:37:15,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:37:15,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:37:15,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:37:15,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:37:15,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:37:15,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:37:15,127 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:37:15,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:37:15,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:37:15,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:37:15,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:37:15,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:37:15,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:37:15,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:37:15,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:37:15,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:37:15,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:37:15,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:37:15,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:37:15,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:37:15,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:37:15,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:37:15,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:37:15,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:37:15,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:37:15,134 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_c6d92afc-6257-4091-bfbe-7a4da193471f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2023-11-29 06:37:15,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:37:15,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:37:15,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:37:15,385 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:37:15,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:37:15,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-29 06:37:18,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:37:18,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:37:18,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-29 06:37:18,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data/c1979eed9/300e1d2731bd433ca84e4b279f284fed/FLAG87003c44b [2023-11-29 06:37:18,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data/c1979eed9/300e1d2731bd433ca84e4b279f284fed [2023-11-29 06:37:18,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:37:18,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:37:18,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:37:18,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:37:18,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:37:18,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:37:18" (1/1) ... [2023-11-29 06:37:18,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ec65f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:18, skipping insertion in model container [2023-11-29 06:37:18,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:37:18" (1/1) ... [2023-11-29 06:37:18,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:37:19,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:37:19,318 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:37:19,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:37:19,499 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:19,499 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:19,499 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:19,500 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:19,505 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:37:19,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19 WrapperNode [2023-11-29 06:37:19,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:37:19,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:37:19,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:37:19,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:37:19,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,568 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 96 [2023-11-29 06:37:19,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:37:19,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:37:19,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:37:19,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:37:19,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,599 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 06:37:19,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:37:19,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:37:19,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:37:19,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:37:19,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (1/1) ... [2023-11-29 06:37:19,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:37:19,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:37:19,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:37:19,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:37:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 06:37:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 06:37:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:37:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:37:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:37:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 06:37:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:37:19,841 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:37:19,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:37:20,005 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:37:20,035 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:37:20,035 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:37:20,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:37:20 BoogieIcfgContainer [2023-11-29 06:37:20,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:37:20,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:37:20,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:37:20,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:37:20,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:37:18" (1/3) ... [2023-11-29 06:37:20,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455e9740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:37:20, skipping insertion in model container [2023-11-29 06:37:20,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:19" (2/3) ... [2023-11-29 06:37:20,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455e9740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:37:20, skipping insertion in model container [2023-11-29 06:37:20,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:37:20" (3/3) ... [2023-11-29 06:37:20,043 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-29 06:37:20,058 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:37:20,058 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 06:37:20,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:37:20,104 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;@4ab1b905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:37:20,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 06:37:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 30 states have internal predecessors, (45), 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 06:37:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 06:37:20,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:37:20,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:37:20,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 06:37:20,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:37:20,121 INFO L85 PathProgramCache]: Analyzing trace with hash 123604428, now seen corresponding path program 1 times [2023-11-29 06:37:20,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:37:20,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726933567] [2023-11-29 06:37:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:37:20,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:37:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:37:20,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:37:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:37:20,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:37:20,312 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:37:20,313 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 06:37:20,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 06:37:20,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:37:20,320 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 06:37:20,323 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:37:20,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-29 06:37:20,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated [2023-11-29 06:37:20,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated [2023-11-29 06:37:20,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated [2023-11-29 06:37:20,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-29 06:37:20,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated [2023-11-29 06:37:20,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated [2023-11-29 06:37:20,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-29 06:37:20,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated [2023-11-29 06:37:20,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated [2023-11-29 06:37:20,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated [2023-11-29 06:37:20,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated [2023-11-29 06:37:20,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated [2023-11-29 06:37:20,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-29 06:37:20,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated [2023-11-29 06:37:20,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated [2023-11-29 06:37:20,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated [2023-11-29 06:37:20,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-29 06:37:20,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:37:20 BoogieIcfgContainer [2023-11-29 06:37:20,356 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:37:20,356 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:37:20,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:37:20,357 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:37:20,357 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:37:20" (3/4) ... [2023-11-29 06:37:20,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:37:20,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:37:20,361 INFO L158 Benchmark]: Toolchain (without parser) took 1838.02ms. Allocated memory is still 159.4MB. Free memory was 124.0MB in the beginning and 91.2MB in the end (delta: 32.8MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-11-29 06:37:20,361 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:37:20,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 982.16ms. Allocated memory is still 159.4MB. Free memory was 124.0MB in the beginning and 59.9MB in the end (delta: 64.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-29 06:37:20,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.68ms. Allocated memory is still 159.4MB. Free memory was 59.9MB in the beginning and 57.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:37:20,363 INFO L158 Benchmark]: Boogie Preprocessor took 56.46ms. Allocated memory is still 159.4MB. Free memory was 57.1MB in the beginning and 128.7MB in the end (delta: -71.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-29 06:37:20,364 INFO L158 Benchmark]: RCFGBuilder took 409.29ms. Allocated memory is still 159.4MB. Free memory was 128.7MB in the beginning and 111.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 06:37:20,364 INFO L158 Benchmark]: TraceAbstraction took 318.02ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 92.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 06:37:20,365 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 159.4MB. Free memory was 92.2MB in the beginning and 91.2MB in the end (delta: 976.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:37:20,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 982.16ms. Allocated memory is still 159.4MB. Free memory was 124.0MB in the beginning and 59.9MB in the end (delta: 64.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.68ms. Allocated memory is still 159.4MB. Free memory was 59.9MB in the beginning and 57.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.46ms. Allocated memory is still 159.4MB. Free memory was 57.1MB in the beginning and 128.7MB in the end (delta: -71.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 409.29ms. Allocated memory is still 159.4MB. Free memory was 128.7MB in the beginning and 111.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 318.02ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 92.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 159.4MB. Free memory was 92.2MB in the beginning and 91.2MB in the end (delta: 976.7kB). 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~nondet111 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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: 1578]: 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 1559. 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); [L1559] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 06:37:20,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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_c6d92afc-6257-4091-bfbe-7a4da193471f/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 bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:37:22,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:37:22,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 06:37:22,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:37:22,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:37:22,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 06:37:22,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:37:22,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:37:22,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:37:22,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:37:22,434 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:37:22,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:37:22,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:37:22,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:37:22,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:37:22,437 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:37:22,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:37:22,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:37:22,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:37:22,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:37:22,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:37:22,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:37:22,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:37:22,440 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:37:22,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:37:22,441 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:37:22,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:37:22,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:37:22,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:37:22,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:37:22,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:37:22,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:37:22,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:37:22,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:37:22,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:37:22,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:37:22,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:37:22,444 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:37:22,444 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:37:22,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:37:22,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:37:22,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:37:22,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:37:22,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:37:22,446 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:37:22,446 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_c6d92afc-6257-4091-bfbe-7a4da193471f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd94392dae1f8038597832d2598893598df6d7760616e8a3ba0033b767755def [2023-11-29 06:37:22,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:37:22,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:37:22,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:37:22,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:37:22,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:37:22,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-29 06:37:25,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:37:26,105 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:37:26,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-29 06:37:26,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data/d6624c011/c809628f36af473d9343253226275d16/FLAGe1b50ee31 [2023-11-29 06:37:26,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/data/d6624c011/c809628f36af473d9343253226275d16 [2023-11-29 06:37:26,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:37:26,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:37:26,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:37:26,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:37:26,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:37:26,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:37:26" (1/1) ... [2023-11-29 06:37:26,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51cb3a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:26, skipping insertion in model container [2023-11-29 06:37:26,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:37:26" (1/1) ... [2023-11-29 06:37:26,230 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:37:27,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:37:27,021 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:37:27,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:37:27,277 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:27,278 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:27,278 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:27,278 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:37:27,285 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:37:27,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27 WrapperNode [2023-11-29 06:37:27,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:37:27,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:37:27,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:37:27,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:37:27,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,344 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 64 [2023-11-29 06:37:27,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:37:27,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:37:27,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:37:27,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:37:27,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,372 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 06:37:27,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:37:27,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:37:27,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:37:27,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:37:27,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (1/1) ... [2023-11-29 06:37:27,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:37:27,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:37:27,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:37:27,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:37:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 06:37:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 06:37:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:37:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:37:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:37:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:37:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 06:37:27,605 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:37:27,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:37:27,736 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:37:27,770 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:37:27,770 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:37:27,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:37:27 BoogieIcfgContainer [2023-11-29 06:37:27,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:37:27,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:37:27,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:37:27,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:37:27,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:37:26" (1/3) ... [2023-11-29 06:37:27,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6841f855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:37:27, skipping insertion in model container [2023-11-29 06:37:27,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:37:27" (2/3) ... [2023-11-29 06:37:27,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6841f855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:37:27, skipping insertion in model container [2023-11-29 06:37:27,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:37:27" (3/3) ... [2023-11-29 06:37:27,780 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_53_bad.i [2023-11-29 06:37:27,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:37:27,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 06:37:27,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:37:27,850 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;@3e6a1f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:37:27,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 06:37:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:37:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 06:37:27,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:37:27,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:37:27,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 06:37:27,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:37:27,870 INFO L85 PathProgramCache]: Analyzing trace with hash 976207277, now seen corresponding path program 1 times [2023-11-29 06:37:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:37:27,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414409052] [2023-11-29 06:37:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:37:27,883 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 06:37:27,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:37:27,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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 06:37:27,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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 06:37:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:37:28,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:37:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:37:28,068 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 06:37:28,070 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:37:28,071 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 06:37:28,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 06:37:28,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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 06:37:28,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/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 06:37:28,278 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 06:37:28,282 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:37:28,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-29 06:37:28,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-29 06:37:28,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-29 06:37:28,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-29 06:37:28,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-29 06:37:28,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-29 06:37:28,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:37:28 BoogieIcfgContainer [2023-11-29 06:37:28,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:37:28,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:37:28,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:37:28,307 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:37:28,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:37:27" (3/4) ... [2023-11-29 06:37:28,309 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:37:28,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:37:28,311 INFO L158 Benchmark]: Toolchain (without parser) took 2162.20ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 77.9MB in the end (delta: 20.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-29 06:37:28,312 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:37:28,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1135.91ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 59.3MB in the end (delta: 38.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2023-11-29 06:37:28,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.02ms. Allocated memory is still 125.8MB. Free memory was 59.3MB in the beginning and 55.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:37:28,313 INFO L158 Benchmark]: Boogie Preprocessor took 44.87ms. Allocated memory is still 125.8MB. Free memory was 55.9MB in the beginning and 53.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:37:28,314 INFO L158 Benchmark]: RCFGBuilder took 379.72ms. Allocated memory is still 125.8MB. Free memory was 53.0MB in the beginning and 96.5MB in the end (delta: -43.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-29 06:37:28,314 INFO L158 Benchmark]: TraceAbstraction took 533.06ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 77.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 06:37:28,315 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 125.8MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:37:28,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1135.91ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 59.3MB in the end (delta: 38.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.02ms. Allocated memory is still 125.8MB. Free memory was 59.3MB in the beginning and 55.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.87ms. Allocated memory is still 125.8MB. Free memory was 55.9MB in the beginning and 53.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 379.72ms. Allocated memory is still 125.8MB. Free memory was 53.0MB in the beginning and 96.5MB in the end (delta: -43.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 533.06ms. Allocated memory is still 125.8MB. Free memory was 95.6MB in the beginning and 77.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 125.8MB. Free memory is still 77.9MB. 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~nondet105 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 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: 1578]: 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 1559. 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); [L1559] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 06:37:28,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d92afc-6257-4091-bfbe-7a4da193471f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample