./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:53,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:53,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:59:53,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:53,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:53,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:53,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:53,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:53,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:53,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:53,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:53,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:53,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:53,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:53,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:53,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:53,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:53,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:53,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:53,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:53,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:53,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:53,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:53,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:53,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:53,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:53,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:53,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:53,391 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:53,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:53,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:53,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a [2023-11-11 23:59:53,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:53,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:53,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:53,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:53,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:53,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i [2023-11-11 23:59:56,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:57,441 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:57,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i [2023-11-11 23:59:57,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data/35c0b428b/ac55f213495b45bc9bc3b599010530ad/FLAG2664bdea0 [2023-11-11 23:59:57,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data/35c0b428b/ac55f213495b45bc9bc3b599010530ad [2023-11-11 23:59:57,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:57,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:57,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:57,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:57,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:57,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:57" (1/1) ... [2023-11-11 23:59:57,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d87bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:57, skipping insertion in model container [2023-11-11 23:59:57,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:57" (1/1) ... [2023-11-11 23:59:57,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:58,068 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:58,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:58,705 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:58,730 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:58,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:59,067 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:59,068 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:59,068 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:59,068 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:59,068 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:59,068 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:59,069 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:59,078 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:59,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59 WrapperNode [2023-11-11 23:59:59,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:59,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:59,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:59,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:59,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,191 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2023-11-11 23:59:59,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:59,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:59,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:59,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:59,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:59,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:59,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:59,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:59,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:59,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:59,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:59,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:59:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:59:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:59:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:59:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:59:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:59,498 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:59,500 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:59,630 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:59,664 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:59,665 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:59:59,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:59 BoogieIcfgContainer [2023-11-11 23:59:59,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:59,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:59,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:59,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:59,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:59" (1/1) ... [2023-11-11 23:59:59,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:59:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:59:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:59:59,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:59,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:00:00,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:00:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:00:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:00:00,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:00:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:00:00,214 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-12 00:00:00,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:00:00 ImpRootNode [2023-11-12 00:00:00,265 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:00:00,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:00:00,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:00:00,270 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:00:00,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:59" (3/4) ... [2023-11-12 00:00:00,275 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:00:00,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:00:00,277 INFO L158 Benchmark]: Toolchain (without parser) took 2773.52ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 98.6MB in the end (delta: -475.1kB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2023-11-12 00:00:00,278 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:00,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.33ms. Allocated memory is still 138.4MB. Free memory was 97.8MB in the beginning and 81.0MB in the end (delta: 16.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:00,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.34ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 78.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:00,280 INFO L158 Benchmark]: Boogie Preprocessor took 62.80ms. Allocated memory is still 138.4MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:00,280 INFO L158 Benchmark]: RCFGBuilder took 411.00ms. Allocated memory is still 138.4MB. Free memory was 76.3MB in the beginning and 61.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:00,281 INFO L158 Benchmark]: CodeCheck took 596.76ms. Allocated memory is still 138.4MB. Free memory was 61.6MB in the beginning and 98.6MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:00,282 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 138.4MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:00,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: 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); [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)=13, argc=13, argv={12:28}, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE191_Integer_Underflow__int_fgets_multiply_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) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.33ms. Allocated memory is still 138.4MB. Free memory was 97.8MB in the beginning and 81.0MB in the end (delta: 16.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.34ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 78.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.80ms. Allocated memory is still 138.4MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.00ms. Allocated memory is still 138.4MB. Free memory was 76.3MB in the beginning and 61.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 596.76ms. Allocated memory is still 138.4MB. Free memory was 61.6MB in the beginning and 98.6MB in the end (delta: -37.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 138.4MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:00:00,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:02,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:03,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-12 00:00:03,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:03,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:03,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:03,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:03,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:03,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:03,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:03,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:03,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:03,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:03,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:03,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:03,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:03,158 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:03,158 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:03,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:03,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:03,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:03,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:03,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:03,162 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:03,162 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:03,162 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:03,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:03,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:03,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:03,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:03,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:03,166 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:03,166 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:03,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:03,167 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:03,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:03,167 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_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a [2023-11-12 00:00:03,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:03,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:03,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:03,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:03,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:03,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i [2023-11-12 00:00:06,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:07,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:07,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i [2023-11-12 00:00:07,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data/3e5839130/00b59e5f58c3425a9c01a65619090d19/FLAGb789e73bb [2023-11-12 00:00:07,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/data/3e5839130/00b59e5f58c3425a9c01a65619090d19 [2023-11-12 00:00:07,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:07,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:07,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:07,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:07,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:07,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:07" (1/1) ... [2023-11-12 00:00:07,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6f4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:07, skipping insertion in model container [2023-11-12 00:00:07,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:07" (1/1) ... [2023-11-12 00:00:07,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:07,749 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:00:08,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:08,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:08,475 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:00:08,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:08,740 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:08,740 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:08,740 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:08,741 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:08,741 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:08,741 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:08,741 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:08,748 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:08,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08 WrapperNode [2023-11-12 00:00:08,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:08,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:08,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:08,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:08,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,821 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2023-11-12 00:00:08,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:08,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:08,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:08,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:08,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:08,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:08,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:08,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:08,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:08,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:08,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:00:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:00:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:00:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:00:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-12 00:00:09,197 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:09,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:09,353 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:09,396 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:09,396 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:09,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:09 BoogieIcfgContainer [2023-11-12 00:00:09,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:09,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:09,400 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:09,411 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:09,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:09" (1/1) ... [2023-11-12 00:00:09,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:00:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:00:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:00:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:00:09,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:09,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:09,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:00:09,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:00:09,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:00:09,580 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:00:09,584 INFO L158 Benchmark]: Toolchain (without parser) took 2329.79ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 60.2MB in the beginning and 69.8MB in the end (delta: -9.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-12 00:00:09,584 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 88.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:09,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1494.89ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 66.2MB in the end (delta: -6.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-11-12 00:00:09,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.99ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:09,587 INFO L158 Benchmark]: Boogie Preprocessor took 80.26ms. Allocated memory is still 113.2MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:09,587 INFO L158 Benchmark]: RCFGBuilder took 495.66ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 75.9MB in the end (delta: -15.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-12 00:00:09,588 INFO L158 Benchmark]: CodeCheck took 182.28ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 69.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:00:09,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 88.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1494.89ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 66.2MB in the end (delta: -6.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.99ms. Allocated memory is still 113.2MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.26ms. Allocated memory is still 113.2MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.66ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 75.9MB in the end (delta: -15.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 182.28ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 69.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:09,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:00:09,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5c1ece-8f16-4dcf-a721-07d881e2efb1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared