./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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 9350c2d76492343c3a4ad7dac04b4ea19fb4e48c8259cf8dfeea34dcfa5247e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:43,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:43,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:11:43,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:43,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:43,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:43,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:43,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:43,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:43,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:43,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:43,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:43,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:43,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:43,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:43,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:43,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:43,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:43,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:43,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:43,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:43,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:43,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:43,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:43,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:43,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:43,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:43,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:43,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:43,805 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:43,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:43,806 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:43,806 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_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9350c2d76492343c3a4ad7dac04b4ea19fb4e48c8259cf8dfeea34dcfa5247e4 [2023-11-24 22:11:44,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:44,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:44,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:44,179 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:44,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:44,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_bad.i [2023-11-24 22:11:47,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:48,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:48,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_bad.i [2023-11-24 22:11:48,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data/2b3a15784/eb52939adfb444d092b03d8edcad0aae/FLAG50822b7b8 [2023-11-24 22:11:48,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data/2b3a15784/eb52939adfb444d092b03d8edcad0aae [2023-11-24 22:11:48,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:48,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:48,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:48,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:48,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:48,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:48,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcbe261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:48, skipping insertion in model container [2023-11-24 22:11:48,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:48" (1/1) ... [2023-11-24 22:11:48,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:49,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:49,628 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:49,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:49,999 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:50,000 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:50,000 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:50,000 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:50,010 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:50,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50 WrapperNode [2023-11-24 22:11:50,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:50,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:50,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:50,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:50,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,085 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-24 22:11:50,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:50,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:50,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:50,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:50,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:50,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:50,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:50,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:50,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:50,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:50,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:50,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:50,415 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:50,418 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:50,576 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:50,680 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:50,681 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:11:50,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:50 BoogieIcfgContainer [2023-11-24 22:11:50,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:50,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:50,685 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:50,699 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:50,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:50" (1/1) ... [2023-11-24 22:11:50,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:11:50,794 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:11:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:11:50,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:50,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:51,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:51,134 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:51,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 22:11:51,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:11:51,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:11:51,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:51 ImpRootNode [2023-11-24 22:11:51,192 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:51,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:51,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:51,196 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:51,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:50" (3/4) ... [2023-11-24 22:11:51,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:11:51,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:51,205 INFO L158 Benchmark]: Toolchain (without parser) took 2867.72ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 84.5MB in the beginning and 94.2MB in the end (delta: -9.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,206 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 178.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1673.70ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 84.5MB in the beginning and 133.0MB in the end (delta: -48.5MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.49ms. Allocated memory is still 192.9MB. Free memory was 133.0MB in the beginning and 129.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,210 INFO L158 Benchmark]: Boogie Preprocessor took 33.53ms. Allocated memory is still 192.9MB. Free memory was 129.7MB in the beginning and 127.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,211 INFO L158 Benchmark]: RCFGBuilder took 562.28ms. Allocated memory is still 192.9MB. Free memory was 127.8MB in the beginning and 113.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,213 INFO L158 Benchmark]: CodeCheck took 508.28ms. Allocated memory is still 192.9MB. Free memory was 113.1MB in the beginning and 94.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:51,213 INFO L158 Benchmark]: Witness Printer took 8.40ms. Allocated memory is still 192.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:51,228 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8367:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8367:0}, 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 0.37ms. Allocated memory is still 134.2MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 178.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1673.70ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 84.5MB in the beginning and 133.0MB in the end (delta: -48.5MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.49ms. Allocated memory is still 192.9MB. Free memory was 133.0MB in the beginning and 129.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.53ms. Allocated memory is still 192.9MB. Free memory was 129.7MB in the beginning and 127.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.28ms. Allocated memory is still 192.9MB. Free memory was 127.8MB in the beginning and 113.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 508.28ms. Allocated memory is still 192.9MB. Free memory was 113.1MB in the beginning and 94.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 8.40ms. Allocated memory is still 192.9MB. Free memory is still 94.2MB. 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:11:51,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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 9350c2d76492343c3a4ad7dac04b4ea19fb4e48c8259cf8dfeea34dcfa5247e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:54,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:54,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:11:54,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:54,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:54,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:54,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:54,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:54,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:54,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:54,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:54,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:54,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:54,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:54,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:54,622 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:54,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:54,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:54,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:54,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:54,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:54,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:54,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:54,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:54,628 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:54,629 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:54,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:54,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:54,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:54,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:54,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:54,632 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:54,633 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:54,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:54,633 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:54,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:54,634 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_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9350c2d76492343c3a4ad7dac04b4ea19fb4e48c8259cf8dfeea34dcfa5247e4 [2023-11-24 22:11:55,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:55,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:55,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:55,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:55,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:55,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_bad.i [2023-11-24 22:11:58,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:59,177 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:59,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_bad.i [2023-11-24 22:11:59,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data/88f1af2b8/cc5bfcb1a8454b08a201a6d37e4be6aa/FLAG036f3afad [2023-11-24 22:11:59,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/data/88f1af2b8/cc5bfcb1a8454b08a201a6d37e4be6aa [2023-11-24 22:11:59,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:59,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:59,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:59,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:59,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:59,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:59" (1/1) ... [2023-11-24 22:11:59,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f1351f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:59, skipping insertion in model container [2023-11-24 22:11:59,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:59" (1/1) ... [2023-11-24 22:11:59,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:00,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:00,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:00,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:01,015 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:01,016 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:01,016 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:01,016 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:01,025 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:01,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01 WrapperNode [2023-11-24 22:12:01,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:01,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:01,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:01,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:01,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,125 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-24 22:12:01,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:01,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:01,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:01,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:01,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:01,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:01,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:01,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:01,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:01,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:01,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:12:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:12:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:01,537 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:01,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:01,770 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:01,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:01,850 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:12:01,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:01 BoogieIcfgContainer [2023-11-24 22:12:01,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:01,853 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:01,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:01,866 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:01,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:01" (1/1) ... [2023-11-24 22:12:01,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:01,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:12:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:12:01,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:12:01,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:01,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:01,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:01,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:01,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:12:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:02,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:02,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:02,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:12:02,623 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:12:02,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:12:02,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:12:02,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:12:02,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:02 ImpRootNode [2023-11-24 22:12:02,672 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:02,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:02,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:02,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:02,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:01" (3/4) ... [2023-11-24 22:12:02,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:12:02,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:02,683 INFO L158 Benchmark]: Toolchain (without parser) took 3451.06ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 50.0MB in the end (delta: -701.6kB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:02,684 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 54.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:02,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1792.89ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.0MB in the beginning and 59.8MB in the end (delta: -10.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-24 22:12:02,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.60ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 57.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:02,688 INFO L158 Benchmark]: Boogie Preprocessor took 91.12ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:02,690 INFO L158 Benchmark]: RCFGBuilder took 628.99ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 68.5MB in the end (delta: -13.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-24 22:12:02,691 INFO L158 Benchmark]: CodeCheck took 819.01ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 50.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:02,692 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 50.0MB in the end (delta: 569.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:02,707 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, 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 0.74ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 54.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1792.89ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.0MB in the beginning and 59.8MB in the end (delta: -10.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.60ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 57.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.12ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.99ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 68.5MB in the end (delta: -13.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * CodeCheck took 819.01ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 50.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 50.0MB in the end (delta: 569.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:12:02,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca014449-4e81-4bd4-9b8a-9d74f0e0723b/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