./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_16_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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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 e8c0cfa0fb91b59031a8c1f70c6ff92f5ba177c5964138b023e50d9499587c32 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:17,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:17,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:48:17,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:17,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:17,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:17,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:17,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:17,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:17,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:17,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:17,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:17,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:17,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:17,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:17,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:17,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:17,480 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:17,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:17,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:17,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:17,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:17,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:17,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:17,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:17,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:17,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:17,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:17,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:17,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:17,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:17,488 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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c0cfa0fb91b59031a8c1f70c6ff92f5ba177c5964138b023e50d9499587c32 [2023-11-11 23:48:17,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:17,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:17,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:17,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:17,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:17,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_16_bad.i [2023-11-11 23:48:20,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:21,367 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:21,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_16_bad.i [2023-11-11 23:48:21,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data/f7638fe34/87a606bccf2447eda783efbc4c995913/FLAG6d85bd20a [2023-11-11 23:48:21,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data/f7638fe34/87a606bccf2447eda783efbc4c995913 [2023-11-11 23:48:21,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:21,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:21,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:21,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:21,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:21,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcaae0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21, skipping insertion in model container [2023-11-11 23:48:21,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,532 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:22,000 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:22,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:22,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:22,722 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:22,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:23,058 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,058 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,058 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,058 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,059 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,059 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:23,067 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:23,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23 WrapperNode [2023-11-11 23:48:23,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:23,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:23,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:23,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:23,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,154 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-11 23:48:23,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:23,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:23,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:23,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:23,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:23,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:23,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:23,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:23,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:23,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:23,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:23,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:48:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:48:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:48:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:48:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:48:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:23,501 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:23,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:23,695 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:23,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:23,748 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:48:23,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:23 BoogieIcfgContainer [2023-11-11 23:48:23,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:23,751 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:23,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:23,761 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:23,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:48:23,823 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:48:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:23,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:23,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-11 23:48:24,070 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-11 23:48:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:48:24,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:24,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:48:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:24,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:48:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:24,316 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:48:24,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:48:24 ImpRootNode [2023-11-11 23:48:24,366 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:48:24,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:48:24,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:48:24,368 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:48:24,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:23" (3/4) ... [2023-11-11 23:48:24,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:48:24,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:48:24,380 INFO L158 Benchmark]: Toolchain (without parser) took 2964.04ms. Allocated memory is still 190.8MB. Free memory was 140.3MB in the beginning and 103.0MB in the end (delta: 37.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,381 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:24,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1650.99ms. Allocated memory is still 190.8MB. Free memory was 140.2MB in the beginning and 146.0MB in the end (delta: -5.7MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.08ms. Allocated memory is still 190.8MB. Free memory was 146.0MB in the beginning and 143.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,384 INFO L158 Benchmark]: Boogie Preprocessor took 50.60ms. Allocated memory is still 190.8MB. Free memory was 143.9MB in the beginning and 141.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,385 INFO L158 Benchmark]: RCFGBuilder took 537.15ms. Allocated memory is still 190.8MB. Free memory was 141.8MB in the beginning and 127.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,386 INFO L158 Benchmark]: CodeCheck took 615.72ms. Allocated memory is still 190.8MB. Free memory was 126.0MB in the beginning and 104.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,392 INFO L158 Benchmark]: Witness Printer took 11.57ms. Allocated memory is still 190.8MB. Free memory was 104.0MB in the beginning and 103.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,400 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 53 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1579] 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) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={12:28}, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE191_Integer_Underflow__int_fgets_sub_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, 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 0.31ms. Allocated memory is still 134.2MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1650.99ms. Allocated memory is still 190.8MB. Free memory was 140.2MB in the beginning and 146.0MB in the end (delta: -5.7MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.08ms. Allocated memory is still 190.8MB. Free memory was 146.0MB in the beginning and 143.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.60ms. Allocated memory is still 190.8MB. Free memory was 143.9MB in the beginning and 141.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.15ms. Allocated memory is still 190.8MB. Free memory was 141.8MB in the beginning and 127.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 615.72ms. Allocated memory is still 190.8MB. Free memory was 126.0MB in the beginning and 104.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 11.57ms. Allocated memory is still 190.8MB. Free memory was 104.0MB in the beginning and 103.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:48:24,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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 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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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 e8c0cfa0fb91b59031a8c1f70c6ff92f5ba177c5964138b023e50d9499587c32 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:27,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:27,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:48:27,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:27,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:27,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:27,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:27,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:27,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:27,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:27,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:27,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:27,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:27,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:27,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:27,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:27,838 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:27,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:27,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:27,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:27,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:27,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:27,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:27,844 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:27,844 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:27,845 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:27,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:27,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:27,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:27,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:27,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:27,849 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:27,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:27,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:27,851 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:27,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:27,851 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_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c0cfa0fb91b59031a8c1f70c6ff92f5ba177c5964138b023e50d9499587c32 [2023-11-11 23:48:28,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:28,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:28,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:28,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:28,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:28,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_16_bad.i [2023-11-11 23:48:31,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:32,289 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:32,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_16_bad.i [2023-11-11 23:48:32,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data/fc2183dc9/6d0af842538b47c7ad5021e416960f7c/FLAG9a44a4b6e [2023-11-11 23:48:32,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/data/fc2183dc9/6d0af842538b47c7ad5021e416960f7c [2023-11-11 23:48:32,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:32,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:32,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:32,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:32,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:32,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:32" (1/1) ... [2023-11-11 23:48:32,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399fa179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:32, skipping insertion in model container [2023-11-11 23:48:32,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:32" (1/1) ... [2023-11-11 23:48:32,506 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:33,056 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:33,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:34,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:34,041 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:34,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:34,312 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:34,313 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:34,314 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:34,314 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:34,314 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:34,315 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:34,326 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:34,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34 WrapperNode [2023-11-11 23:48:34,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:34,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:34,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:34,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:34,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,476 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-11 23:48:34,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:34,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:34,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:34,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:34,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:34,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:34,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:34,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:34,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:34" (1/1) ... [2023-11-11 23:48:34,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:34,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:34,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:34,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:48:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:48:34,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:48:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:34,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:48:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:48:34,882 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:34,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:35,133 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:35,202 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:35,216 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:48:35,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:35 BoogieIcfgContainer [2023-11-11 23:48:35,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:35,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:35,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:35,235 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:35,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:48:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:48:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:35,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:35,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:35,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:48:35,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:48:35,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:48:35,404 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) [2023-11-11 23:48:35,416 INFO L158 Benchmark]: Toolchain (without parser) took 3050.76ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.1MB in the beginning and 52.1MB in the end (delta: -1.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:35,417 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.1MB in the end (delta: 157.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:35,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1958.77ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 50.8MB in the beginning and 51.8MB in the end (delta: -998.0kB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-11 23:48:35,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.43ms. Allocated memory is still 102.8MB. Free memory was 51.8MB in the beginning and 48.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:35,419 INFO L158 Benchmark]: Boogie Preprocessor took 71.48ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 75.2MB in the end (delta: -26.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:35,420 INFO L158 Benchmark]: RCFGBuilder took 667.25ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 58.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:35,421 INFO L158 Benchmark]: CodeCheck took 193.27ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 52.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:48:35,426 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 0.88ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.1MB in the end (delta: 157.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1958.77ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 50.8MB in the beginning and 51.8MB in the end (delta: -998.0kB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.43ms. Allocated memory is still 102.8MB. Free memory was 51.8MB in the beginning and 48.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.48ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 75.2MB in the end (delta: -26.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 667.25ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 58.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 193.27ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 52.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:35,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:48:35,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5421a6f9-1e7f-4450-bf28-3df36f887e6d/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