./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi --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 332dbfc1263cd9521d484c1b01edf3e56bf06f8def05941f195a784070a2e3ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:49,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:49,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:00:49,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:49,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:49,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:49,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:49,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:49,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:49,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:49,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:49,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:49,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:49,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:49,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:49,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:49,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:49,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:49,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:49,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:49,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:49,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:49,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:49,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:49,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:49,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:49,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:49,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:49,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:49,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:49,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:49,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:49,680 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_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332dbfc1263cd9521d484c1b01edf3e56bf06f8def05941f195a784070a2e3ca [2023-11-24 23:00:50,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:50,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:50,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:50,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:50,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:50,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_bad.i [2023-11-24 23:00:53,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:53,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:53,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_bad.i [2023-11-24 23:00:53,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data/ffdca5c09/d7cc03561ce345b4a516a305547fef23/FLAGb6a948e88 [2023-11-24 23:00:53,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data/ffdca5c09/d7cc03561ce345b4a516a305547fef23 [2023-11-24 23:00:53,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:53,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:53,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:53,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:53,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:53,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:53" (1/1) ... [2023-11-24 23:00:53,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f82c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:53, skipping insertion in model container [2023-11-24 23:00:53,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:53" (1/1) ... [2023-11-24 23:00:54,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:55,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:55,203 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:55,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:55,557 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:55,558 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:55,558 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:55,558 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:55,558 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:55,565 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:55,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55 WrapperNode [2023-11-24 23:00:55,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:55,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:55,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:55,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:55,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,642 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-24 23:00:55,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:55,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:55,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:55,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:55,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:55,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:55,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:55,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:55,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:55,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:55,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:55,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:00:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:00:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:00:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:00:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:00:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:55,911 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:55,913 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:56,054 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:56,094 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:56,095 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:56,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:56 BoogieIcfgContainer [2023-11-24 23:00:56,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:56,098 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:56,098 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:56,109 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:56,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:56" (1/1) ... [2023-11-24 23:00:56,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-24 23:00:56,174 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-24 23:00:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:00:56,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:56,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:56,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 24 transitions. [2023-11-24 23:00:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-24 23:00:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:00:56,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:56,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:56,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:56,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:56,826 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:00:56,854 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 23:00:56,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:56 ImpRootNode [2023-11-24 23:00:56,861 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:56,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:56,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:56,863 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:56,864 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:56" (3/4) ... [2023-11-24 23:00:56,867 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:56,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:56,870 INFO L158 Benchmark]: Toolchain (without parser) took 2915.15ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 88.8MB in the beginning and 122.5MB in the end (delta: -33.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:56,870 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:56,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1609.75ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 88.8MB in the beginning and 113.4MB in the end (delta: -24.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:56,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.72ms. Allocated memory is still 163.6MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:56,875 INFO L158 Benchmark]: Boogie Preprocessor took 31.32ms. Allocated memory is still 163.6MB. Free memory was 110.9MB in the beginning and 109.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:56,875 INFO L158 Benchmark]: RCFGBuilder took 421.41ms. Allocated memory is still 163.6MB. Free memory was 109.2MB in the beginning and 94.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:56,881 INFO L158 Benchmark]: CodeCheck took 763.80ms. Allocated memory is still 163.6MB. Free memory was 94.2MB in the beginning and 122.5MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:56,883 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 163.6MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:56,891 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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, overapproximation of large string literal at line 1580. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:27}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_multiply_05_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1570] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1572] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1609.75ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 88.8MB in the beginning and 113.4MB in the end (delta: -24.7MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.72ms. Allocated memory is still 163.6MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.32ms. Allocated memory is still 163.6MB. Free memory was 110.9MB in the beginning and 109.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.41ms. Allocated memory is still 163.6MB. Free memory was 109.2MB in the beginning and 94.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 763.80ms. Allocated memory is still 163.6MB. Free memory was 94.2MB in the beginning and 122.5MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 163.6MB. Free memory is still 122.5MB. 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: unknown boogie variable #t~nondet102 - 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 [2023-11-24 23:00:56,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/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_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi --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 332dbfc1263cd9521d484c1b01edf3e56bf06f8def05941f195a784070a2e3ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:59,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:00,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:01:00,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:00,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:00,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:00,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:00,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:00,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:00,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:00,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:00,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:00,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:00,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:00,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:01:00,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:01:00,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:00,118 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:01:00,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:00,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:00,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:00,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:00,121 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:00,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:00,122 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:00,123 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:00,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:00,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:00,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:00,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:00,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:00,127 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:01:00,127 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:00,127 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:00,128 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:01:00,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:00,128 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_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332dbfc1263cd9521d484c1b01edf3e56bf06f8def05941f195a784070a2e3ca [2023-11-24 23:01:00,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:00,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:00,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:00,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:00,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:00,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_bad.i [2023-11-24 23:01:03,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:04,296 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:04,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_bad.i [2023-11-24 23:01:04,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data/8d9b32073/c95a59e1792948fc8acf79a5d088c801/FLAG97a59f0d3 [2023-11-24 23:01:04,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/data/8d9b32073/c95a59e1792948fc8acf79a5d088c801 [2023-11-24 23:01:04,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:04,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:04,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:04,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:04,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:04,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208b947c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04, skipping insertion in model container [2023-11-24 23:01:04,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:05,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:05,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:05,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:05,939 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:05,941 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:05,941 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:05,941 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:05,941 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:05,949 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:05,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05 WrapperNode [2023-11-24 23:01:05,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:05,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:05,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:05,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:05,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,032 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-24 23:01:06,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:06,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:06,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:06,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:06,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:06,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:06,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:06,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:06,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:06,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:06,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:06,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:01:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:01:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:01:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:01:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:01:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 23:01:06,412 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:06,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:06,591 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:06,660 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:06,661 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:01:06,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:06 BoogieIcfgContainer [2023-11-24 23:01:06,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:06,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:06,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:06,675 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:06,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:06" (1/1) ... [2023-11-24 23:01:06,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-24 23:01:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-24 23:01:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:06,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:06,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:06,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:01:06,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:01:06,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:01:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:06,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:01:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:06,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:01:07,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:07,049 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:01:07,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:01:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-24 23:01:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-24 23:01:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:07,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:07,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:01:07,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:01:07,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:01:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:07,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:07,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:07,639 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:01:07,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:01:07,644 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:01:07,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:01:07,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:07 ImpRootNode [2023-11-24 23:01:07,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:01:07,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:01:07,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:01:07,708 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:01:07,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:06" (3/4) ... [2023-11-24 23:01:07,711 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:01:07,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:01:07,714 INFO L158 Benchmark]: Toolchain (without parser) took 3352.74ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 46.0MB in the beginning and 73.7MB in the end (delta: -27.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-24 23:01:07,715 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:07,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1585.76ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 57.5MB in the end (delta: -11.7MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-24 23:01:07,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.56ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:07,719 INFO L158 Benchmark]: Boogie Preprocessor took 73.26ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:07,726 INFO L158 Benchmark]: RCFGBuilder took 555.78ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 58.7MB in the end (delta: -6.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-24 23:01:07,728 INFO L158 Benchmark]: CodeCheck took 1041.86ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 74.2MB in the end (delta: -16.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:01:07,729 INFO L158 Benchmark]: Witness Printer took 6.27ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 73.7MB in the end (delta: 563.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:07,740 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 13 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 66 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 2 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, overapproximation of large string literal at line 1580. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_multiply_05_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1570] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1572] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1585.76ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 57.5MB in the end (delta: -11.7MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.56ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.26ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.78ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 58.7MB in the end (delta: -6.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * CodeCheck took 1041.86ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 74.2MB in the end (delta: -16.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 6.27ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 73.7MB in the end (delta: 563.3kB). 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: unknown boogie variable #t~nondet100 - 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 [2023-11-24 23:01:07,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdee3b65-462e-438e-a430-a9f266ac7ed2/bin/ukojak-verify-afCqCEvfdi/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: UNKNOWN: Overapproximated counterexample