./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb7308b6676c9be2fbe87e343fa5a48699055ceb07d3abcfdf9bbf82ed246b29 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:00:38,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:00:38,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 15:00:38,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:00:38,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:00:38,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:00:38,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:00:38,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:00:38,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:00:38,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:00:38,911 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:00:38,912 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:00:38,913 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:00:38,913 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:00:38,914 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:00:38,914 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:00:38,915 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:00:38,915 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:00:38,916 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:00:38,916 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:00:38,917 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:00:38,918 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:00:38,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:00:38,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:00:38,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:00:38,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:00:38,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:00:38,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:00:38,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:00:38,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 15:00:38,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:00:38,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:00:38,922 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:00:38,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:00:38,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:00:38,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:00:38,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:38,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:00:38,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:00:38,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:00:38,924 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:00:38,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:00:38,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:00:38,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:00:38,925 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:00:38,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:00:38,925 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb7308b6676c9be2fbe87e343fa5a48699055ceb07d3abcfdf9bbf82ed246b29 [2023-12-02 15:00:39,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:00:39,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:00:39,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:00:39,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:00:39,173 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:00:39,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_41_bad.i [2023-12-02 15:00:41,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:00:42,232 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:00:42,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_41_bad.i [2023-12-02 15:00:42,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data/9a7cc521e/93d83b15ca674d59803bfe7c8bb2245b/FLAGee5584728 [2023-12-02 15:00:42,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data/9a7cc521e/93d83b15ca674d59803bfe7c8bb2245b [2023-12-02 15:00:42,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:00:42,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:00:42,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:42,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:00:42,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:00:42,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:42" (1/1) ... [2023-12-02 15:00:42,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558db824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:42, skipping insertion in model container [2023-12-02 15:00:42,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:42" (1/1) ... [2023-12-02 15:00:42,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:00:43,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:43,650 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:00:43,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:44,152 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:44,153 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:44,153 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:44,153 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:44,161 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:00:44,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44 WrapperNode [2023-12-02 15:00:44,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:44,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:44,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:00:44,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:00:44,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,230 INFO L138 Inliner]: procedures = 937, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2023-12-02 15:00:44,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:44,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:00:44,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:00:44,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:00:44,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:00:44,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:00:44,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:00:44,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:00:44,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (1/1) ... [2023-12-02 15:00:44,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:44,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:00:44,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:00:44,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:00:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:00:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:00:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:00:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 15:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 15:00:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 15:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:00:44,465 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:00:44,467 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:00:44,562 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:00:44,598 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:00:44,598 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:00:44,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:44 BoogieIcfgContainer [2023-12-02 15:00:44,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:00:44,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:00:44,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:00:44,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:00:44,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:00:42" (1/3) ... [2023-12-02 15:00:44,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4062e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:44, skipping insertion in model container [2023-12-02 15:00:44,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:44" (2/3) ... [2023-12-02 15:00:44,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4062e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:44, skipping insertion in model container [2023-12-02 15:00:44,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:44" (3/3) ... [2023-12-02 15:00:44,609 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_41_bad.i [2023-12-02 15:00:44,624 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:00:44,624 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 15:00:44,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:00:44,667 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=FINITE_AUTOMATA, 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;@3b21d22a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:00:44,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 15:00:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2023-12-02 15:00:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 15:00:44,676 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:44,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 15:00:44,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:44,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:44,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2023-12-02 15:00:44,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:00:44,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547413704] [2023-12-02 15:00:44,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:00:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:00:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:00:44,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:00:44,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547413704] [2023-12-02 15:00:44,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547413704] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:00:44,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:00:44,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 15:00:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140376369] [2023-12-02 15:00:44,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:00:44,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:00:44,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:00:44,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:00:44,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:00:44,877 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 15:00:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:00:44,900 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-12-02 15:00:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:00:44,902 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 6 [2023-12-02 15:00:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:00:44,909 INFO L225 Difference]: With dead ends: 12 [2023-12-02 15:00:44,909 INFO L226 Difference]: Without dead ends: 8 [2023-12-02 15:00:44,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:00:44,914 INFO L413 NwaCegarLoop]: 7 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, 7 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 [2023-12-02 15:00:44,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:00:44,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-12-02 15:00:44,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-12-02 15:00:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2023-12-02 15:00:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-12-02 15:00:44,942 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-12-02 15:00:44,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:00:44,943 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-12-02 15:00:44,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 15:00:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-12-02 15:00:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 15:00:44,944 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:44,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:00:44,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:00:44,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:44,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash 917590043, now seen corresponding path program 1 times [2023-12-02 15:00:44,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:00:44,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866068555] [2023-12-02 15:00:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:44,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:00:44,971 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:00:44,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172416458] [2023-12-02 15:00:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:44,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:00:44,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:00:44,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:00:44,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:00:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:45,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:00:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:45,098 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:00:45,099 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:00:45,100 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 15:00:45,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 15:00:45,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:00:45,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:00:45,306 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 15:00:45,308 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:00:45,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet183 [2023-12-02 15:00:45,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:00:45 BoogieIcfgContainer [2023-12-02 15:00:45,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:00:45,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:00:45,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:00:45,329 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:00:45,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:44" (3/4) ... [2023-12-02 15:00:45,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:00:45,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:00:45,333 INFO L158 Benchmark]: Toolchain (without parser) took 3052.11ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 119.8MB in the beginning and 113.2MB in the end (delta: 6.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-12-02 15:00:45,334 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 128.0MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:00:45,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1880.22ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 119.2MB in the beginning and 165.6MB in the end (delta: -46.4MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2023-12-02 15:00:45,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.68ms. Allocated memory is still 203.4MB. Free memory was 165.6MB in the beginning and 162.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:00:45,336 INFO L158 Benchmark]: Boogie Preprocessor took 25.90ms. Allocated memory is still 203.4MB. Free memory was 162.5MB in the beginning and 160.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:00:45,336 INFO L158 Benchmark]: RCFGBuilder took 343.07ms. Allocated memory is still 203.4MB. Free memory was 160.4MB in the beginning and 146.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:00:45,337 INFO L158 Benchmark]: TraceAbstraction took 725.16ms. Allocated memory is still 203.4MB. Free memory was 145.7MB in the beginning and 113.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 15:00:45,337 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 203.4MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:00:45,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 128.0MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1880.22ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 119.2MB in the beginning and 165.6MB in the end (delta: -46.4MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.68ms. Allocated memory is still 203.4MB. Free memory was 165.6MB in the beginning and 162.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.90ms. Allocated memory is still 203.4MB. Free memory was 162.5MB in the beginning and 160.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.07ms. Allocated memory is still 203.4MB. Free memory was 160.4MB in the beginning and 146.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 725.16ms. Allocated memory is still 203.4MB. Free memory was 145.7MB in the beginning and 113.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 203.4MB. Free memory is still 113.2MB. 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~nondet183 - 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: 1835]: 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 1849. 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); [L1849] 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) [L1849] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1850] CALL CWE190_Integer_Overflow__int_max_square_41_bad() [L1841] int data; [L1842] data = 0 [L1843] data = 0x7fffffff [L1844] CALL badSink(data) [L1835] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1835]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 7 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, 7 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2023-12-02 15:00:45,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb7308b6676c9be2fbe87e343fa5a48699055ceb07d3abcfdf9bbf82ed246b29 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:00:47,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:00:47,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 15:00:47,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:00:47,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:00:47,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:00:47,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:00:47,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:00:47,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:00:47,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:00:47,413 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:00:47,414 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:00:47,414 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:00:47,415 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:00:47,415 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:00:47,416 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:00:47,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:00:47,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:00:47,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:00:47,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:00:47,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:00:47,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:00:47,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:00:47,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:00:47,421 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 15:00:47,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:00:47,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:00:47,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:00:47,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:00:47,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:00:47,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:00:47,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:00:47,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:00:47,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:47,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:00:47,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:00:47,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:00:47,426 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:00:47,426 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:00:47,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:00:47,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:00:47,427 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:00:47,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:00:47,427 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb7308b6676c9be2fbe87e343fa5a48699055ceb07d3abcfdf9bbf82ed246b29 [2023-12-02 15:00:47,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:00:47,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:00:47,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:00:47,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:00:47,731 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:00:47,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_41_bad.i [2023-12-02 15:00:50,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:00:50,882 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:00:50,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_41_bad.i [2023-12-02 15:00:50,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data/4ded11adb/3a59c51a422341748a25a3f9b482f212/FLAG1d3447278 [2023-12-02 15:00:50,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/data/4ded11adb/3a59c51a422341748a25a3f9b482f212 [2023-12-02 15:00:50,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:00:50,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:00:50,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:50,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:00:50,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:00:50,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:50" (1/1) ... [2023-12-02 15:00:50,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5852faec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:50, skipping insertion in model container [2023-12-02 15:00:50,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:00:50" (1/1) ... [2023-12-02 15:00:50,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:00:52,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:52,189 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:00:52,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:00:52,527 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:52,527 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:52,527 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:52,527 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:00:52,534 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:00:52,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52 WrapperNode [2023-12-02 15:00:52,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:00:52,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:52,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:00:52,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:00:52,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,607 INFO L138 Inliner]: procedures = 942, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2023-12-02 15:00:52,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:00:52,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:00:52,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:00:52,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:00:52,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:00:52,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:00:52,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:00:52,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:00:52,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (1/1) ... [2023-12-02 15:00:52,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:00:52,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:00:52,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:00:52,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:00:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 15:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 15:00:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 15:00:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:00:52,861 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:00:52,863 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:00:53,847 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:00:53,878 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:00:53,878 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 15:00:53,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:53 BoogieIcfgContainer [2023-12-02 15:00:53,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:00:53,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:00:53,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:00:53,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:00:53,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:00:50" (1/3) ... [2023-12-02 15:00:53,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b7274b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:53, skipping insertion in model container [2023-12-02 15:00:53,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:00:52" (2/3) ... [2023-12-02 15:00:53,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b7274b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:00:53, skipping insertion in model container [2023-12-02 15:00:53,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:53" (3/3) ... [2023-12-02 15:00:53,887 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_41_bad.i [2023-12-02 15:00:53,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:00:53,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 15:00:53,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:00:53,949 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=FINITE_AUTOMATA, 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;@26810d89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:00:53,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 15:00:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 15:00:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 15:00:53,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:53,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:00:53,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:53,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:53,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2023-12-02 15:00:53,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:00:53,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308809171] [2023-12-02 15:00:53,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:53,980 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 [2023-12-02 15:00:53,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:00:53,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:00:53,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:00:54,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:00:54,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:00:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:00:54,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:00:54,178 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:00:54,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308809171] [2023-12-02 15:00:54,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308809171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:00:54,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:00:54,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:00:54,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913760871] [2023-12-02 15:00:54,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:00:54,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:00:54,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:00:54,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:00:54,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:00:54,208 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-12-02 15:00:54,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:00:54,291 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-12-02 15:00:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:00:54,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2023-12-02 15:00:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:00:54,302 INFO L225 Difference]: With dead ends: 18 [2023-12-02 15:00:54,302 INFO L226 Difference]: Without dead ends: 10 [2023-12-02 15:00:54,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:00:54,307 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:00:54,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:00:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-12-02 15:00:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-12-02 15:00:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-12-02 15:00:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-12-02 15:00:54,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-12-02 15:00:54,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:00:54,334 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-12-02 15:00:54,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-12-02 15:00:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-12-02 15:00:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 15:00:54,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:00:54,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:00:54,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:54,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:54,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 15:00:54,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:00:54,537 INFO L85 PathProgramCache]: Analyzing trace with hash -553204329, now seen corresponding path program 1 times [2023-12-02 15:00:54,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:00:54,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235987315] [2023-12-02 15:00:54,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:00:54,538 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 [2023-12-02 15:00:54,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:00:54,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:00:54,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:54,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:00:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:00:54,695 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 15:00:54,695 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:00:54,697 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 15:00:54,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 15:00:54,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:54,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:00:54,911 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 15:00:54,914 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:00:54,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet181 [2023-12-02 15:00:54,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:00:54 BoogieIcfgContainer [2023-12-02 15:00:54,936 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:00:54,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:00:54,937 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:00:54,937 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:00:54,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:00:53" (3/4) ... [2023-12-02 15:00:54,938 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:00:54,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:00:54,940 INFO L158 Benchmark]: Toolchain (without parser) took 4016.69ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 38.8MB in the end (delta: 29.4MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-12-02 15:00:54,940 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:00:54,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1610.97ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 67.9MB in the beginning and 55.0MB in the end (delta: 12.9MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-12-02 15:00:54,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.55ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 50.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:00:54,942 INFO L158 Benchmark]: Boogie Preprocessor took 37.42ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 86.0MB in the end (delta: -35.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-12-02 15:00:54,942 INFO L158 Benchmark]: RCFGBuilder took 1232.54ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 71.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:00:54,943 INFO L158 Benchmark]: TraceAbstraction took 1055.07ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 39.9MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 15:00:54,944 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 38.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:00:54,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1610.97ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 67.9MB in the beginning and 55.0MB in the end (delta: 12.9MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.55ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 50.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.42ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 86.0MB in the end (delta: -35.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1232.54ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 71.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1055.07ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 39.9MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 38.8MB in the end (delta: 1.0MB). 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~nondet181 - 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: 1835]: 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 1849. 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); [L1849] 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) [L1849] 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] [L1850] CALL CWE190_Integer_Overflow__int_max_square_41_bad() [L1841] int data; [L1842] data = 0 [L1843] data = 0x7fffffff [L1844] CALL badSink(data) [L1835] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1835]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 2 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 4 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 [2023-12-02 15:00:54,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea207eae-b49c-4a6a-af69-489bef113f78/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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