./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/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_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/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_e820f157-7346-483c-a585-c0646363a686/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 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:26,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:26,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:55:26,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:26,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:26,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:26,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:26,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:26,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:26,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:26,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:26,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:26,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:26,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:26,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:26,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:26,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:26,235 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:26,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:26,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:26,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:26,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:26,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:26,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:26,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:26,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:26,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:26,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:26,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:26,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:26,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:26,242 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_e820f157-7346-483c-a585-c0646363a686/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e [2023-11-11 23:55:26,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:26,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:26,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:26,621 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:26,621 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:26,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2023-11-11 23:55:29,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:30,054 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:30,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2023-11-11 23:55:30,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data/cdc71823b/56112b0872aa456da4b7ce4df2dcdfe0/FLAGb5c4b14c0 [2023-11-11 23:55:30,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data/cdc71823b/56112b0872aa456da4b7ce4df2dcdfe0 [2023-11-11 23:55:30,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:30,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:30,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:30,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:30,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:30,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:30" (1/1) ... [2023-11-11 23:55:30,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545f17cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:30, skipping insertion in model container [2023-11-11 23:55:30,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:30" (1/1) ... [2023-11-11 23:55:30,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:30,600 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:31,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:31,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:31,290 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:31,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:31,596 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,596 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,597 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,597 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,597 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,597 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:31,605 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:31,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31 WrapperNode [2023-11-11 23:55:31,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:31,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:31,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:31,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:31,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,760 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-11 23:55:31,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:31,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:31,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:31,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:31,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:31,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:31,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:31,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:31,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:31" (1/1) ... [2023-11-11 23:55:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:31,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:31,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:31,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:55:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:55:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:55:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:55:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:55:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:32,063 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:32,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:32,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:32,300 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:32,305 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:32,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:32 BoogieIcfgContainer [2023-11-11 23:55:32,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:32,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:32,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:32,319 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:32,319 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:55:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:55:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:32,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:32,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:32,708 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 23:55:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2023-11-11 23:55:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-11 23:55:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:55:32,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:32,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:33,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:33,061 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:55:33,111 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-11 23:55:33,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:55:33 ImpRootNode [2023-11-11 23:55:33,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:55:33,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:55:33,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:55:33,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:55:33,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:32" (3/4) ... [2023-11-11 23:55:33,126 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:55:33,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:55:33,129 INFO L158 Benchmark]: Toolchain (without parser) took 3023.45ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 71.7MB in the end (delta: 44.9MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:33,130 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 97.5MB in the beginning and 97.4MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:33,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1498.89ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 103.6MB in the end (delta: 12.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:33,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.43ms. Allocated memory is still 151.0MB. Free memory was 103.6MB in the beginning and 114.3MB in the end (delta: -10.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:33,133 INFO L158 Benchmark]: Boogie Preprocessor took 57.37ms. Allocated memory is still 151.0MB. Free memory was 114.3MB in the beginning and 112.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:33,134 INFO L158 Benchmark]: RCFGBuilder took 476.27ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 96.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:33,138 INFO L158 Benchmark]: CodeCheck took 811.03ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 71.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:33,139 INFO L158 Benchmark]: Witness Printer took 7.00ms. Allocated memory is still 151.0MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:33,142 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, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 6 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: 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 1559. 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 staticFive = 5; [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}, staticFive=5] [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)=13, argc=13, argv={18:12}, argv={18:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1580] CALL CWE191_Integer_Underflow__int_fgets_postdec_07_bad() [L1551] int data; [L1552] 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { 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, staticFive=5] [L1567] COND TRUE staticFive==5 [L1570] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 97.5MB in the beginning and 97.4MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1498.89ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 103.6MB in the end (delta: 12.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.43ms. Allocated memory is still 151.0MB. Free memory was 103.6MB in the beginning and 114.3MB in the end (delta: -10.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.37ms. Allocated memory is still 151.0MB. Free memory was 114.3MB in the beginning and 112.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.27ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 96.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 811.03ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 71.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.00ms. Allocated memory is still 151.0MB. Free memory is still 71.7MB. 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 23:55:33,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/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_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/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_e820f157-7346-483c-a585-c0646363a686/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 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:35,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:36,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:55:36,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:36,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:36,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:36,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:36,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:36,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:36,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:36,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:36,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:36,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:36,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:36,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:36,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:36,181 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:36,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:36,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:36,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:36,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:36,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:36,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:36,184 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:36,185 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:36,185 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:36,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:36,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:36,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:36,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:36,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:36,188 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:36,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:36,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:36,190 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:36,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:36,191 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_e820f157-7346-483c-a585-c0646363a686/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e [2023-11-11 23:55:36,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:36,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:36,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:36,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:36,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:36,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2023-11-11 23:55:39,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:40,198 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:40,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2023-11-11 23:55:40,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data/2a1e55aaf/73322f27585c4cddb478f5cd06e50df4/FLAG34be97362 [2023-11-11 23:55:40,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/data/2a1e55aaf/73322f27585c4cddb478f5cd06e50df4 [2023-11-11 23:55:40,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:40,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:40,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:40,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:40,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:40,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a8616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:40, skipping insertion in model container [2023-11-11 23:55:40,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:40" (1/1) ... [2023-11-11 23:55:40,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:40,818 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:41,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:41,747 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:41,777 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:41,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:42,088 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:42,089 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:42,089 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:42,089 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:42,089 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:42,090 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:42,098 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:42,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42 WrapperNode [2023-11-11 23:55:42,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:42,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:42,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:42,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:42,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,180 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-11 23:55:42,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:42,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:42,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:42,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:42,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:42,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:42,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:42,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:42,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:42,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:42,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:55:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:55:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:55:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:55:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:55:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:55:42,583 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:42,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:42,808 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:42,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:42,886 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:42,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:42 BoogieIcfgContainer [2023-11-11 23:55:42,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:42,891 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:42,891 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:42,902 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:42,902 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:42" (1/1) ... [2023-11-11 23:55:42,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:55:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:55:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:55:42,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:42,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:42,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:42,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:43,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:55:43,059 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 23:55:43,063 INFO L158 Benchmark]: Toolchain (without parser) took 2804.43ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 67.1MB in the end (delta: -11.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:43,064 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:43,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1841.14ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 63.0MB in the end (delta: -7.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:43,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.99ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:43,066 INFO L158 Benchmark]: Boogie Preprocessor took 40.59ms. Allocated memory is still 111.1MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:43,067 INFO L158 Benchmark]: RCFGBuilder took 666.84ms. Allocated memory is still 111.1MB. Free memory was 58.2MB in the beginning and 73.2MB in the end (delta: -14.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:43,068 INFO L158 Benchmark]: CodeCheck took 170.19ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 67.1MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:55:43,071 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 0.71ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1841.14ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 63.0MB in the end (delta: -7.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.99ms. Allocated memory is still 111.1MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.59ms. Allocated memory is still 111.1MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.84ms. Allocated memory is still 111.1MB. Free memory was 58.2MB in the beginning and 73.2MB in the end (delta: -14.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 170.19ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 67.1MB in the end (delta: 6.0MB). 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 23:55:43,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:55:43,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820f157-7346-483c-a585-c0646363a686/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