./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_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_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/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_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/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_2c03a71e-1f19-4cfb-9153-ce46512aadef/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 d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:46,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:46,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:54:46,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:46,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:46,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:46,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:46,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:46,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:46,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:46,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:46,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:46,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:46,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:46,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:46,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:46,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:46,247 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:46,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:46,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:46,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:46,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:46,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:46,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:46,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:46,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:46,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:46,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:46,253 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:46,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:46,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:46,254 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_2c03a71e-1f19-4cfb-9153-ce46512aadef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e [2023-11-11 23:54:46,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:46,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:46,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:46,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:46,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:46,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2023-11-11 23:54:49,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:50,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:50,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2023-11-11 23:54:50,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data/4db2269ed/351fc8fb620545a482937c8991540c47/FLAGb2b6791a3 [2023-11-11 23:54:50,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data/4db2269ed/351fc8fb620545a482937c8991540c47 [2023-11-11 23:54:50,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:50,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:50,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:50,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:50,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:50,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:50" (1/1) ... [2023-11-11 23:54:50,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a22d4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:50, skipping insertion in model container [2023-11-11 23:54:50,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:50" (1/1) ... [2023-11-11 23:54:50,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:50,667 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:54:51,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:51,396 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:51,415 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:54:51,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:51,697 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:51,697 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:51,697 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:51,698 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:51,698 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:51,698 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:51,706 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:51,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51 WrapperNode [2023-11-11 23:54:51,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:51,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:51,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:51,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:51,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,785 INFO L138 Inliner]: procedures = 500, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-11 23:54:51,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:51,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:51,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:51,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:51,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:51,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:51,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:51,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:51,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:51" (1/1) ... [2023-11-11 23:54:51,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:51,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:51,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:54:51,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:51,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:54:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:54:52,075 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:52,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:52,238 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:52,276 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:52,276 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:54:52,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:52 BoogieIcfgContainer [2023-11-11 23:54:52,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:52,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:52,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:52,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:52,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:52" (1/1) ... [2023-11-11 23:54:52,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:54:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:52,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-11 23:54:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-11 23:54:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:54:52,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:52,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:52,604 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 23:54:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 26 transitions. [2023-11-11 23:54:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-11 23:54:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:54:52,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:52,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:54:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:52,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:54:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:54:52,899 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:54:52,946 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated [2023-11-11 23:54:52,947 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-11 23:54:52,948 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-11 23:54:52,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:54:52 ImpRootNode [2023-11-11 23:54:52,952 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:54:52,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:54:52,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:54:52,954 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:54:52,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:52" (3/4) ... [2023-11-11 23:54:52,956 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:54:52,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:54:52,959 INFO L158 Benchmark]: Toolchain (without parser) took 2809.72ms. Allocated memory is still 127.9MB. Free memory was 87.8MB in the beginning and 67.4MB in the end (delta: 20.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-11 23:54:52,959 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:52,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1556.92ms. Allocated memory is still 127.9MB. Free memory was 87.8MB in the beginning and 68.2MB in the end (delta: 19.6MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:52,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.57ms. Allocated memory is still 127.9MB. Free memory was 68.2MB in the beginning and 65.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:52,969 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 127.9MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:52,970 INFO L158 Benchmark]: RCFGBuilder took 475.16ms. Allocated memory is still 127.9MB. Free memory was 63.5MB in the beginning and 93.2MB in the end (delta: -29.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-11 23:54:52,970 INFO L158 Benchmark]: CodeCheck took 651.71ms. Allocated memory is still 127.9MB. Free memory was 93.2MB in the beginning and 68.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:52,971 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 127.9MB. Free memory was 68.0MB in the beginning and 67.4MB in the end (delta: 685.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:52,974 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 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, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 1575]: 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); [L1588] 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={6:0}] [L1414] COND TRUE line != ((void *)0) [L1588] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={18:32}, argv={18:32}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1589] CALL CWE191_Integer_Underflow__int_fgets_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [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] [L1573] case 7: 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] [L1575] --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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1556.92ms. Allocated memory is still 127.9MB. Free memory was 87.8MB in the beginning and 68.2MB in the end (delta: 19.6MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.57ms. Allocated memory is still 127.9MB. Free memory was 68.2MB in the beginning and 65.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 127.9MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.16ms. Allocated memory is still 127.9MB. Free memory was 63.5MB in the beginning and 93.2MB in the end (delta: -29.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * CodeCheck took 651.71ms. Allocated memory is still 127.9MB. Free memory was 93.2MB in the beginning and 68.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 127.9MB. Free memory was 68.0MB in the beginning and 67.4MB in the end (delta: 685.7kB). 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~switch98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 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 23:54:53,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/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_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/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_2c03a71e-1f19-4cfb-9153-ce46512aadef/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 d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:55,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:55,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:54:55,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:55,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:55,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:55,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:55,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:55,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:55,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:55,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:55,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:55,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:55,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:55,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:54:55,653 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:54:55,653 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:55,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:54:55,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:55,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:55,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:55,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:55,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:55,657 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:54:55,657 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:55,658 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:54:55,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:55,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:55,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:55,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:55,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:55,662 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:54:55,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:55,663 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:55,663 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:54:55,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:54:55,663 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_2c03a71e-1f19-4cfb-9153-ce46512aadef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d37c1ec71459106032e60eb7bc27fe3e54a637e48f0e814f643241a64f7f516e [2023-11-11 23:54:56,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:56,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:56,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:56,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:56,133 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:56,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2023-11-11 23:54:59,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:59,811 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:59,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_bad.i [2023-11-11 23:54:59,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data/c344231d7/07a3c53f18964a9a8601922b326e75a6/FLAGe2cd37554 [2023-11-11 23:54:59,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/data/c344231d7/07a3c53f18964a9a8601922b326e75a6 [2023-11-11 23:54:59,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:59,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:59,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:59,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:59,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:59,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:59" (1/1) ... [2023-11-11 23:54:59,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa7771c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:59, skipping insertion in model container [2023-11-11 23:54:59,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:59" (1/1) ... [2023-11-11 23:54:59,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:00,385 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:01,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:01,272 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:01,294 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:01,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:01,547 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:01,547 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:01,547 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:01,548 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:01,548 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:01,548 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:01,557 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:01,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01 WrapperNode [2023-11-11 23:55:01,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:01,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:01,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:01,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:01,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,637 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-11 23:55:01,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:01,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:01,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:01,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:01,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:01,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:01,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:01,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:01,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:01" (1/1) ... [2023-11-11 23:55:01,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:01,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:01,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:01,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:55:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:55:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:55:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:55:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:55:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:55:02,010 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:02,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:02,270 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:02,336 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:02,336 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:02,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:02 BoogieIcfgContainer [2023-11-11 23:55:02,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:02,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:02,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:02,357 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:02,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:02" (1/1) ... [2023-11-11 23:55:02,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:02,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-11 23:55:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-11 23:55:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:55:02,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:02,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:02,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:55:02,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:55:02,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:55:02,536 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 23:55:02,541 INFO L158 Benchmark]: Toolchain (without parser) took 2676.75ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 65.7MB in the end (delta: -9.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:02,541 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:02,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1692.41ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 63.1MB in the end (delta: -6.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-11 23:55:02,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.94ms. Allocated memory is still 111.1MB. Free memory was 62.6MB in the beginning and 60.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:02,544 INFO L158 Benchmark]: Boogie Preprocessor took 41.98ms. Allocated memory is still 111.1MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:02,544 INFO L158 Benchmark]: RCFGBuilder took 657.42ms. Allocated memory is still 111.1MB. Free memory was 57.4MB in the beginning and 71.7MB in the end (delta: -14.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:02,545 INFO L158 Benchmark]: CodeCheck took 199.19ms. Allocated memory is still 111.1MB. Free memory was 71.7MB in the beginning and 65.7MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:55:02,550 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 0.62ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1692.41ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 63.1MB in the end (delta: -6.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.94ms. Allocated memory is still 111.1MB. Free memory was 62.6MB in the beginning and 60.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.98ms. Allocated memory is still 111.1MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.42ms. Allocated memory is still 111.1MB. Free memory was 57.4MB in the beginning and 71.7MB in the end (delta: -14.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 199.19ms. Allocated memory is still 111.1MB. Free memory was 71.7MB in the beginning and 65.7MB 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 23:55:02,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-11 23:55:02,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c03a71e-1f19-4cfb-9153-ce46512aadef/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