./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_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_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/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_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/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_839424f3-3e5a-4c20-8005-3c4914846be9/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 d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:47,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:47,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:43:47,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:43:47,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:43:47,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:47,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:47,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:47,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:47,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:47,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:47,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:47,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:43:47,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:47,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:47,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:47,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:47,849 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:43:47,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:43:47,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:47,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:47,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:47,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:47,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:47,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:47,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:47,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:47,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:47,855 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:43:47,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:43:47,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:47,858 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_839424f3-3e5a-4c20-8005-3c4914846be9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 [2023-11-11 23:43:48,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:48,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:48,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:48,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:48,315 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:48,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2023-11-11 23:43:51,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:51,969 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:51,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2023-11-11 23:43:51,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data/fb817bec5/e6133b0636434efd8782f584519a7888/FLAG3499e981c [2023-11-11 23:43:52,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data/fb817bec5/e6133b0636434efd8782f584519a7888 [2023-11-11 23:43:52,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:52,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:52,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:52,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:52,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:52,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:52" (1/1) ... [2023-11-11 23:43:52,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250ec876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:52, skipping insertion in model container [2023-11-11 23:43:52,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:52" (1/1) ... [2023-11-11 23:43:52,122 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:52,644 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:43:53,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:53,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:53,393 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:43:53,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:53,694 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:53,694 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:53,695 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:53,695 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:53,695 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:53,695 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:53,705 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:53,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53 WrapperNode [2023-11-11 23:43:53,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:53,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:53,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:53,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:53,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,866 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-11 23:43:53,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:53,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:53,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:53,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:53,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:53,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:53,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:53,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:53,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:53" (1/1) ... [2023-11-11 23:43:53,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:53,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:53,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:43:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:43:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:43:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:43:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:43:54,308 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:54,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:54,560 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:54,629 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:54,629 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:43:54,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:54 BoogieIcfgContainer [2023-11-11 23:43:54,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:43:54,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:43:54,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:43:54,653 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:43:54,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:54" (1/1) ... [2023-11-11 23:43:54,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:43:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:43:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:43:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:43:54,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:55,103 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 23:43:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2023-11-11 23:43:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-11 23:43:55,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:43:55,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:55,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:55,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:43:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:55,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:43:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:55,351 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:43:55,404 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-11 23:43:55,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:43:55 ImpRootNode [2023-11-11 23:43:55,411 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:43:55,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:43:55,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:43:55,412 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:43:55,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:54" (3/4) ... [2023-11-11 23:43:55,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:43:55,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:43:55,419 INFO L158 Benchmark]: Toolchain (without parser) took 3396.44ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 62.0MB in the end (delta: 58.2MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-11-11 23:43:55,420 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 94.0MB in the end (delta: 68.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:43:55,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1682.95ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 109.3MB in the end (delta: 10.9MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-11-11 23:43:55,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.52ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 106.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:43:55,423 INFO L158 Benchmark]: Boogie Preprocessor took 63.16ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 105.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:43:55,424 INFO L158 Benchmark]: RCFGBuilder took 707.94ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 89.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:43:55,425 INFO L158 Benchmark]: CodeCheck took 771.03ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 62.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-11 23:43:55,426 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 155.2MB. Free memory was 62.3MB in the beginning and 62.0MB in the end (delta: 361.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:43:55,431 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: 0.7s, 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, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={18:30}, argv={18:30}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_postdec_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { 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, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) [L1571] data-- 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, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 94.0MB in the end (delta: 68.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1682.95ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 109.3MB in the end (delta: 10.9MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.52ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 106.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.16ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 105.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 707.94ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 89.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 771.03ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 62.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 155.2MB. Free memory was 62.3MB in the beginning and 62.0MB in the end (delta: 361.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:43:55,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/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_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/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_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/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_839424f3-3e5a-4c20-8005-3c4914846be9/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 d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:58,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:58,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:43:58,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:58,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:58,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:58,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:58,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:58,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:58,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:58,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:58,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:58,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:58,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:58,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:43:58,982 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:43:58,983 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:43:58,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:43:58,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:43:58,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:58,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:58,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:58,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:58,988 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:43:58,988 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:58,989 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:43:58,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:58,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:58,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:58,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:58,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:58,993 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:43:58,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:58,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:58,994 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:43:58,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:43:58,995 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_839424f3-3e5a-4c20-8005-3c4914846be9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a54320afe5e84b54912feba47561a57a8d4c74bd3349c64b2c951f84395553 [2023-11-11 23:43:59,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:59,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:59,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:59,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:59,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:59,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2023-11-11 23:44:02,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:03,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:03,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_bad.i [2023-11-11 23:44:03,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data/0dd25779d/d46b0da43adf4de0b158ad764b1a5f74/FLAG1a8a5e307 [2023-11-11 23:44:03,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/data/0dd25779d/d46b0da43adf4de0b158ad764b1a5f74 [2023-11-11 23:44:03,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:03,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:03,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:03,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:03,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:03,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:03" (1/1) ... [2023-11-11 23:44:03,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259cd63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:03, skipping insertion in model container [2023-11-11 23:44:03,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:03" (1/1) ... [2023-11-11 23:44:03,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:04,135 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:04,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:04,880 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:04,917 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:05,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:05,290 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:05,290 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:05,290 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:05,291 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:05,291 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:05,291 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:05,300 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:05,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05 WrapperNode [2023-11-11 23:44:05,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:05,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:05,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:05,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:05,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,413 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-11 23:44:05,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:05,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:05,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:05,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:05,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:05,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:05,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:05,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:05,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:05" (1/1) ... [2023-11-11 23:44:05,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:05,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:05,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:05,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:44:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:44:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:44:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:44:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:44:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:44:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:44:05,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:05,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:06,170 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:06,248 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:06,248 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:44:06,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:06 BoogieIcfgContainer [2023-11-11 23:44:06,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:06,263 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:06,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:06,276 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:06,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:06" (1/1) ... [2023-11-11 23:44:06,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:44:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:44:06,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:44:06,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:06,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:44:06,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:44:06,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:44:06,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:44:06,459 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 23:44:06,464 INFO L158 Benchmark]: Toolchain (without parser) took 2931.09ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.7MB in the beginning and 46.9MB in the end (delta: -5.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-11 23:44:06,465 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:06,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1766.27ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.6MB in the beginning and 51.5MB in the end (delta: -9.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:06,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.55ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:06,468 INFO L158 Benchmark]: Boogie Preprocessor took 73.34ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:06,469 INFO L158 Benchmark]: RCFGBuilder took 772.71ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 52.7MB in the end (delta: -6.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-11 23:44:06,470 INFO L158 Benchmark]: CodeCheck took 199.53ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 46.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:44:06,474 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 0.76ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1766.27ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.6MB in the beginning and 51.5MB in the end (delta: -9.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.55ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.34ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 772.71ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 52.7MB in the end (delta: -6.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * CodeCheck took 199.53ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 46.9MB 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 23:44:06,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:44:06,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839424f3-3e5a-4c20-8005-3c4914846be9/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