./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 3ef87f83559e1dd8a1a542027c4c4cca7e4866c9cc7a31bab297d26dc9767189 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:58:02,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:58:02,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:58:02,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:58:02,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:58:02,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:58:02,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:58:02,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:58:02,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:58:02,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:58:02,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:58:02,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:58:02,462 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:58:02,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:58:02,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:58:02,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:58:02,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:58:02,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:58:02,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:58:02,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:58:02,467 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:58:02,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:58:02,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:58:02,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:58:02,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:58:02,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:58:02,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:58:02,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:02,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:58:02,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:58:02,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:58:02,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:58:02,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:58:02,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:58:02,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:58:02,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:58:02,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:58:02,474 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:58:02,475 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_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ef87f83559e1dd8a1a542027c4c4cca7e4866c9cc7a31bab297d26dc9767189 [2023-11-06 22:58:02,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:58:02,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:58:02,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:58:02,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:58:02,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:58:02,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i [2023-11-06 22:58:05,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:58:06,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:58:06,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i [2023-11-06 22:58:06,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data/8adcd8bba/a8ec8b7256a345db89fd17ce2b0c565c/FLAG2b1c7633d [2023-11-06 22:58:06,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data/8adcd8bba/a8ec8b7256a345db89fd17ce2b0c565c [2023-11-06 22:58:06,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:58:06,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:58:06,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:06,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:58:06,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:58:06,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:06" (1/1) ... [2023-11-06 22:58:06,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adba2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:06, skipping insertion in model container [2023-11-06 22:58:06,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:06" (1/1) ... [2023-11-06 22:58:06,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:58:06,872 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:58:07,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:07,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:58:07,494 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:58:07,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:07,817 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:07,818 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:07,818 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:07,818 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:07,819 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:07,819 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:07,819 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:07,827 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:58:07,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07 WrapperNode [2023-11-06 22:58:07,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:07,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:07,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:58:07,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:58:07,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,918 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2023-11-06 22:58:07,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:07,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:58:07,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:58:07,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:58:07,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:58:07,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:58:07,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:58:07,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:58:07,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (1/1) ... [2023-11-06 22:58:07,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:07,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:58:08,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:58:08,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:58:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:58:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:58:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:58:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:58:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:58:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:58:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:58:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:58:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:58:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:58:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:58:08,195 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:58:08,197 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:58:08,325 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:58:08,331 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:58:08,331 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:58:08,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:08 BoogieIcfgContainer [2023-11-06 22:58:08,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:58:08,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:58:08,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:58:08,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:58:08,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:58:06" (1/3) ... [2023-11-06 22:58:08,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b9d755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:08, skipping insertion in model container [2023-11-06 22:58:08,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:07" (2/3) ... [2023-11-06 22:58:08,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b9d755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:08, skipping insertion in model container [2023-11-06 22:58:08,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:08" (3/3) ... [2023-11-06 22:58:08,344 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i [2023-11-06 22:58:08,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:58:08,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:58:08,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:58:08,426 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=LoopsAndPotentialCycles, 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;@1a6eb12e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:58:08,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 22:58:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:58:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:58:08,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:58:08,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:08,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:58:08,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:58:08,445 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2023-11-06 22:58:08,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:58:08,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968658658] [2023-11-06 22:58:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:08,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:58:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:58:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:58:08,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:58:08,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968658658] [2023-11-06 22:58:08,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968658658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:58:08,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:58:08,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:58:08,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903893206] [2023-11-06 22:58:09,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:58:09,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:58:09,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:58:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:58:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:58:09,038 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:58:09,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:58:09,092 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-06 22:58:09,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:58:09,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-06 22:58:09,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:58:09,102 INFO L225 Difference]: With dead ends: 24 [2023-11-06 22:58:09,102 INFO L226 Difference]: Without dead ends: 14 [2023-11-06 22:58:09,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:58:09,109 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 11 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:58:09,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 56 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:58:09,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-06 22:58:09,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-06 22:58:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-06 22:58:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-06 22:58:09,143 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2023-11-06 22:58:09,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:58:09,145 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 22:58:09,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:58:09,146 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-06 22:58:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:58:09,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:58:09,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:09,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:58:09,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:58:09,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:58:09,149 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2023-11-06 22:58:09,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:58:09,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880001222] [2023-11-06 22:58:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:09,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:58:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:58:09,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:58:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:58:09,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:58:09,254 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:58:09,256 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 22:58:09,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 22:58:09,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:58:09,262 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:58:09,266 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:58:09,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:58:09 BoogieIcfgContainer [2023-11-06 22:58:09,292 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:58:09,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:58:09,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:58:09,294 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:58:09,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:08" (3/4) ... [2023-11-06 22:58:09,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:58:09,298 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:58:09,299 INFO L158 Benchmark]: Toolchain (without parser) took 2946.97ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 99.1MB in the beginning and 173.1MB in the end (delta: -74.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:09,299 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:09,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1474.61ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 98.7MB in the beginning and 152.1MB in the end (delta: -53.4MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-06 22:58:09,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.97ms. Allocated memory is still 216.0MB. Free memory was 152.1MB in the beginning and 148.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:58:09,301 INFO L158 Benchmark]: Boogie Preprocessor took 41.87ms. Allocated memory is still 216.0MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:09,302 INFO L158 Benchmark]: RCFGBuilder took 372.29ms. Allocated memory is still 216.0MB. Free memory was 146.8MB in the beginning and 134.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:58:09,302 INFO L158 Benchmark]: TraceAbstraction took 955.75ms. Allocated memory is still 216.0MB. Free memory was 133.2MB in the beginning and 174.1MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:09,303 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 216.0MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:09,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1474.61ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 98.7MB in the beginning and 152.1MB in the end (delta: -53.4MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.97ms. Allocated memory is still 216.0MB. Free memory was 152.1MB in the beginning and 148.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.87ms. Allocated memory is still 216.0MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.29ms. Allocated memory is still 216.0MB. Free memory was 146.8MB in the beginning and 134.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 955.75ms. Allocated memory is still 216.0MB. Free memory was 133.2MB in the beginning and 174.1MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 216.0MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483653, argc=2147483653, argv={2147483652:2147483651}, argv={2147483652:2147483651}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_preinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] EXPR data = atoi(inputBuffer) [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1561-L1571] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1572] CALL funcPtr(data) [L1551] ++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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 22 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:58:09,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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 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_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 3ef87f83559e1dd8a1a542027c4c4cca7e4866c9cc7a31bab297d26dc9767189 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:58:11,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:58:12,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-06 22:58:12,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:58:12,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:58:12,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-06 22:58:12,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:58:12,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:58:12,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:58:12,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:58:12,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:58:12,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:58:12,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:58:12,111 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:58:12,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:58:12,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:58:12,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:58:12,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:58:12,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:58:12,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:58:12,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:58:12,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:58:12,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:58:12,117 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:58:12,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:58:12,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:58:12,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:58:12,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:58:12,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:58:12,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:58:12,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:12,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:58:12,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:58:12,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:58:12,122 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:58:12,122 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:58:12,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:58:12,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:58:12,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:58:12,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:58:12,124 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:58:12,125 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:58:12,125 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_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ef87f83559e1dd8a1a542027c4c4cca7e4866c9cc7a31bab297d26dc9767189 [2023-11-06 22:58:12,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:58:12,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:58:12,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:58:12,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:58:12,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:58:12,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i [2023-11-06 22:58:15,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:58:16,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:58:16,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i [2023-11-06 22:58:16,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data/40f33dc18/8d66b213abc2459eb00aa2c8b0db7ea5/FLAG9b5355a04 [2023-11-06 22:58:16,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/data/40f33dc18/8d66b213abc2459eb00aa2c8b0db7ea5 [2023-11-06 22:58:16,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:58:16,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:58:16,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:16,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:58:16,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:58:16,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:16" (1/1) ... [2023-11-06 22:58:16,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1058fd5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:16, skipping insertion in model container [2023-11-06 22:58:16,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:16" (1/1) ... [2023-11-06 22:58:16,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:58:16,839 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:58:17,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:17,361 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:58:17,383 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:58:17,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:17,597 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:17,597 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:17,597 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:17,597 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:17,598 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:17,598 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:17,598 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:17,605 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:58:17,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17 WrapperNode [2023-11-06 22:58:17,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:17,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:17,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:58:17,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:58:17,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,686 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2023-11-06 22:58:17,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:17,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:58:17,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:58:17,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:58:17,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:58:17,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:58:17,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:58:17,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:58:17,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (1/1) ... [2023-11-06 22:58:17,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:17,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:58:17,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:58:17,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:58:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:58:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:58:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:58:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:58:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:58:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:58:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 22:58:18,052 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:58:18,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:58:18,194 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:58:18,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:58:18,200 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:58:18,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:18 BoogieIcfgContainer [2023-11-06 22:58:18,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:58:18,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:58:18,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:58:18,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:58:18,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:58:16" (1/3) ... [2023-11-06 22:58:18,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6286da4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:18, skipping insertion in model container [2023-11-06 22:58:18,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:17" (2/3) ... [2023-11-06 22:58:18,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6286da4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:18, skipping insertion in model container [2023-11-06 22:58:18,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:18" (3/3) ... [2023-11-06 22:58:18,212 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_44_bad.i [2023-11-06 22:58:18,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:58:18,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:58:18,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:58:18,285 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=LoopsAndPotentialCycles, 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;@60741f96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:58:18,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 22:58:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:58:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:58:18,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:58:18,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:18,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:58:18,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:58:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2023-11-06 22:58:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:58:18,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75210737] [2023-11-06 22:58:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:18,318 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 [2023-11-06 22:58:18,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:58:18,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:58:18,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:58:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:18,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:58:18,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:58:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:58:18,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:58:18,541 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:58:18,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75210737] [2023-11-06 22:58:18,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75210737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:58:18,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:58:18,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:58:18,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091562068] [2023-11-06 22:58:18,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:58:18,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:58:18,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:58:18,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:58:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:58:18,595 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:58:18,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:58:18,616 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-06 22:58:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:58:18,619 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-06 22:58:18,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:58:18,626 INFO L225 Difference]: With dead ends: 24 [2023-11-06 22:58:18,627 INFO L226 Difference]: Without dead ends: 14 [2023-11-06 22:58:18,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:58:18,634 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:58:18,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:58:18,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-06 22:58:18,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-06 22:58:18,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-06 22:58:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-06 22:58:18,671 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2023-11-06 22:58:18,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:58:18,673 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 22:58:18,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:58:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-06 22:58:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:58:18,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:58:18,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:18,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:58:18,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:58:18,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:58:18,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:58:18,892 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2023-11-06 22:58:18,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:58:18,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252793715] [2023-11-06 22:58:18,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:18,893 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 [2023-11-06 22:58:18,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:58:18,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:58:18,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:58:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:58:19,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:58:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:58:19,115 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 22:58:19,115 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:58:19,117 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 22:58:19,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 22:58:19,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:58:19,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:58:19,324 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:58:19,327 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:58:19,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:58:19 BoogieIcfgContainer [2023-11-06 22:58:19,354 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:58:19,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:58:19,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:58:19,355 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:58:19,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:18" (3/4) ... [2023-11-06 22:58:19,360 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:58:19,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:58:19,363 INFO L158 Benchmark]: Toolchain (without parser) took 3019.16ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.4MB in the beginning and 40.0MB in the end (delta: 3.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-06 22:58:19,370 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:19,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.25ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.1MB in the beginning and 40.1MB in the end (delta: 3.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-06 22:58:19,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.61ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 63.1MB in the end (delta: -23.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-06 22:58:19,373 INFO L158 Benchmark]: Boogie Preprocessor took 70.79ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:19,373 INFO L158 Benchmark]: RCFGBuilder took 444.07ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 47.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:58:19,374 INFO L158 Benchmark]: TraceAbstraction took 1149.34ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 40.6MB in the end (delta: 5.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-06 22:58:19,380 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 40.0MB in the end (delta: 561.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:19,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.25ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.1MB in the beginning and 40.1MB in the end (delta: 3.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.61ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 63.1MB in the end (delta: -23.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.79ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.07ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 47.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1149.34ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 40.6MB in the end (delta: 5.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 40.0MB in the end (delta: 561.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1577] 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}, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_preinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] EXPR data = atoi(inputBuffer) [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1561-L1571] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1572] CALL funcPtr(data) [L1551] ++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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:58:19,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff0f5d7-3917-4935-bd8e-30ffb0f03531/bin/uautomizer-verify-WvqO1wxjHP/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