./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:42,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:42,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:56:42,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:56:42,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:56:42,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:42,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:42,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:42,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:42,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:42,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:42,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:42,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:56:42,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:42,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:42,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:42,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:42,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:42,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:42,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:42,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:42,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:42,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:42,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:42,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:42,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:42,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:42,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:42,251 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:56:42,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:56:42,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:42,253 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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 [2023-11-11 23:56:42,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:42,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:42,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:42,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:42,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:42,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2023-11-11 23:56:45,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:46,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:46,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2023-11-11 23:56:46,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data/864312a9b/872f92da81da468c9c61773cf8ad5763/FLAGbd2daa0fe [2023-11-11 23:56:46,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data/864312a9b/872f92da81da468c9c61773cf8ad5763 [2023-11-11 23:56:46,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:46,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:46,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:46,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:46,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:46,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:46" (1/1) ... [2023-11-11 23:56:46,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de48fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:46, skipping insertion in model container [2023-11-11 23:56:46,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:46" (1/1) ... [2023-11-11 23:56:46,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:46,986 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:47,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:47,624 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:47,661 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:47,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:47,924 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:47,925 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:47,925 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:47,925 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:47,926 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:47,926 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:47,934 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:47,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47 WrapperNode [2023-11-11 23:56:47,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:47,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:47,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:47,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:47,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:47,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,002 INFO L138 Inliner]: procedures = 500, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-11 23:56:48,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:48,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:48,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:48,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:48,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:48,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:48,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:48,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:48,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:47" (1/1) ... [2023-11-11 23:56:48,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:48,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:48,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:48,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:56:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:56:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:56:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:56:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:56:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:56:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:56:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:56:48,330 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:48,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:48,509 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:48,554 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:48,554 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:56:48,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:48 BoogieIcfgContainer [2023-11-11 23:56:48,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:48,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:48,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:48,570 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:48,584 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:48" (1/1) ... [2023-11-11 23:56:48,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:56:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:56:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:56:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:56:48,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:48,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:49,323 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 23:56:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-11 23:56:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-11 23:56:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:56:49,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:49,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:49,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:56:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:49,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:56:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:49,689 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:56:49,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:56:49 ImpRootNode [2023-11-11 23:56:49,752 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:56:49,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:56:49,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:56:49,753 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:56:49,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:48" (3/4) ... [2023-11-11 23:56:49,756 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:56:49,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:56:49,758 INFO L158 Benchmark]: Toolchain (without parser) took 3377.82ms. Allocated memory is still 199.2MB. Free memory was 165.2MB in the beginning and 126.6MB in the end (delta: 38.6MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-11 23:56:49,759 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:49,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1552.00ms. Allocated memory is still 199.2MB. Free memory was 164.3MB in the beginning and 102.3MB in the end (delta: 62.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-11 23:56:49,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.91ms. Allocated memory is still 199.2MB. Free memory was 102.3MB in the beginning and 99.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:49,761 INFO L158 Benchmark]: Boogie Preprocessor took 48.83ms. Allocated memory is still 199.2MB. Free memory was 99.3MB in the beginning and 98.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:49,762 INFO L158 Benchmark]: RCFGBuilder took 504.72ms. Allocated memory is still 199.2MB. Free memory was 98.1MB in the beginning and 81.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:49,763 INFO L158 Benchmark]: CodeCheck took 1193.63ms. Allocated memory is still 199.2MB. Free memory was 81.3MB in the beginning and 126.6MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:49,768 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 199.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:49,776 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={18:63}, argv={18:63}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] EXPR *dataPtr1 = data [L1554-L1568] { int data = *dataPtr1; { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } *dataPtr1 = data; } [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data={5855:0}, dataPtr1={5855:0}, dataPtr2={5855:0}, 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 0.38ms. Allocated memory is still 127.9MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1552.00ms. Allocated memory is still 199.2MB. Free memory was 164.3MB in the beginning and 102.3MB in the end (delta: 62.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.91ms. Allocated memory is still 199.2MB. Free memory was 102.3MB in the beginning and 99.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.83ms. Allocated memory is still 199.2MB. Free memory was 99.3MB in the beginning and 98.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.72ms. Allocated memory is still 199.2MB. Free memory was 98.1MB in the beginning and 81.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1193.63ms. Allocated memory is still 199.2MB. Free memory was 81.3MB in the beginning and 126.6MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 199.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:56:49,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:52,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:52,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:56:52,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:52,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:52,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:52,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:52,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:52,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:52,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:52,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:52,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:52,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:52,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:52,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:56:52,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:56:52,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:52,775 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:56:52,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:52,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:52,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:52,785 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:52,786 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:52,787 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:56:52,787 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:52,787 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:52,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:52,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:52,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:52,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:52,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:52,791 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:56:52,792 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:52,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:52,793 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:56:52,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:52,793 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_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 [2023-11-11 23:56:53,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:53,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:53,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:53,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:53,285 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:53,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2023-11-11 23:56:56,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:57,015 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:57,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2023-11-11 23:56:57,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data/6b1840d9f/df0debb4cc334edd9d06c511a1f82e05/FLAG44bf0ff70 [2023-11-11 23:56:57,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/data/6b1840d9f/df0debb4cc334edd9d06c511a1f82e05 [2023-11-11 23:56:57,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:57,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:57,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:57,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:57,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:57,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:57" (1/1) ... [2023-11-11 23:56:57,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515bf4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:57, skipping insertion in model container [2023-11-11 23:56:57,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:57" (1/1) ... [2023-11-11 23:56:57,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:57,568 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:58,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:58,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:58,246 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:56:58,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:58,500 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:58,501 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:58,501 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:58,501 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:58,501 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:58,502 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:58,510 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:58,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58 WrapperNode [2023-11-11 23:56:58,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:58,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:58,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:58,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:58,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,613 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-11 23:56:58,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:58,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:58,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:58,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:58,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:58,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:58,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:58,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:58,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:58" (1/1) ... [2023-11-11 23:56:58,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:58,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:58,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:58,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:56:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:56:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:56:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:56:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:56:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:56:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:56:58,956 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:58,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:59,167 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:59,210 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:59,210 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:56:59,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:59 BoogieIcfgContainer [2023-11-11 23:56:59,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:59,214 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:59,214 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:59,226 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:59,226 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:59" (1/1) ... [2023-11-11 23:56:59,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:56:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:56:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:56:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:56:59,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:59,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:56:59,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:56:59,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:56:59,408 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 23:56:59,412 INFO L158 Benchmark]: Toolchain (without parser) took 2350.68ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.6MB in the beginning and 55.9MB in the end (delta: -14.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:59,412 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 69.2MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:59,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.41ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.4MB in the beginning and 37.3MB in the end (delta: 4.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-11 23:56:59,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.43ms. Allocated memory is still 86.0MB. Free memory was 37.3MB in the beginning and 57.7MB in the end (delta: -20.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-11 23:56:59,415 INFO L158 Benchmark]: Boogie Preprocessor took 72.78ms. Allocated memory is still 86.0MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:59,415 INFO L158 Benchmark]: RCFGBuilder took 525.06ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 37.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:59,416 INFO L158 Benchmark]: CodeCheck took 196.57ms. Allocated memory is still 86.0MB. Free memory was 37.2MB in the beginning and 55.9MB in the end (delta: -18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:56:59,420 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 0.68ms. Allocated memory is still 69.2MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.41ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 41.4MB in the beginning and 37.3MB in the end (delta: 4.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.43ms. Allocated memory is still 86.0MB. Free memory was 37.3MB in the beginning and 57.7MB in the end (delta: -20.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.78ms. Allocated memory is still 86.0MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 525.06ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 37.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 196.57ms. Allocated memory is still 86.0MB. Free memory was 37.2MB in the beginning and 55.9MB in the end (delta: -18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:56:59,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:56:59,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc90719-f66a-46c6-8bd4-34eeddf5361d/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