./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:00,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:00,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:16:00,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:00,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:00,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:00,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:00,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:00,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:00,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:00,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:00,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:00,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:00,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:00,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:00,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:00,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:00,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:00,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:00,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:00,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:00,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:00,610 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:00,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:00,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:00,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:00,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:00,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:00,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:00,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:00,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:00,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:00,615 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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 [2023-11-24 22:16:00,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:01,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:01,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:01,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:01,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:01,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-11-24 22:16:04,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:04,719 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:04,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-11-24 22:16:04,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data/e8665d5fc/aff0e914860a499eade44f1b1a0218fe/FLAGd4bf4dc89 [2023-11-24 22:16:04,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data/e8665d5fc/aff0e914860a499eade44f1b1a0218fe [2023-11-24 22:16:04,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:04,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:04,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:04,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:04,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:04,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:04" (1/1) ... [2023-11-24 22:16:04,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3841809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04, skipping insertion in model container [2023-11-24 22:16:04,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:04" (1/1) ... [2023-11-24 22:16:04,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:05,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:05,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:06,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:06,302 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:06,302 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:06,303 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:06,303 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:06,313 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:06,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06 WrapperNode [2023-11-24 22:16:06,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:06,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:06,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:06,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:06,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,394 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-24 22:16:06,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:06,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:06,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:06,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:06,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:06,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:06,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:06,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:06,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:06" (1/1) ... [2023-11-24 22:16:06,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:06,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:06,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:06,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:16:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:16:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:16:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:06,843 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:06,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:07,052 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:07,121 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:07,125 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:16:07,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:07 BoogieIcfgContainer [2023-11-24 22:16:07,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:07,129 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:07,129 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:07,140 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:07,141 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:07" (1/1) ... [2023-11-24 22:16:07,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:07,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-24 22:16:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-24 22:16:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:07,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:07,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:07,671 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 22:16:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-24 22:16:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-24 22:16:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:07,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:07,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:07,991 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 22:16:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-24 22:16:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-24 22:16:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:08,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-11-24 22:16:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-24 22:16:08,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:08,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:08,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:08,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:08,486 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-24 22:16:08,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-11-24 22:16:08,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated [2023-11-24 22:16:08,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-24 22:16:08,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:08 ImpRootNode [2023-11-24 22:16:08,542 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:08,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:08,543 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:08,544 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:08,544 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:07" (3/4) ... [2023-11-24 22:16:08,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:16:08,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:08,553 INFO L158 Benchmark]: Toolchain (without parser) took 3772.05ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 103.9MB in the beginning and 107.9MB in the end (delta: -4.0MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2023-11-24 22:16:08,553 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:08,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1533.89ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 103.9MB in the beginning and 187.6MB in the end (delta: -83.7MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:08,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.89ms. Allocated memory is still 232.8MB. Free memory was 187.6MB in the beginning and 184.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:08,558 INFO L158 Benchmark]: Boogie Preprocessor took 50.38ms. Allocated memory is still 232.8MB. Free memory was 184.5MB in the beginning and 183.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:08,560 INFO L158 Benchmark]: RCFGBuilder took 680.82ms. Allocated memory is still 232.8MB. Free memory was 183.4MB in the beginning and 166.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:08,569 INFO L158 Benchmark]: CodeCheck took 1413.40ms. Allocated memory is still 232.8MB. Free memory was 166.7MB in the beginning and 107.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:08,570 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 232.8MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:08,578 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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: 1560]: 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 1569. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] EXPR \read(data) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1533.89ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 103.9MB in the beginning and 187.6MB in the end (delta: -83.7MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.89ms. Allocated memory is still 232.8MB. Free memory was 187.6MB in the beginning and 184.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.38ms. Allocated memory is still 232.8MB. Free memory was 184.5MB in the beginning and 183.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.82ms. Allocated memory is still 232.8MB. Free memory was 183.4MB in the beginning and 166.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1413.40ms. Allocated memory is still 232.8MB. Free memory was 166.7MB in the beginning and 107.9MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 232.8MB. Free memory is still 107.9MB. 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 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 22:16:08,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:11,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:11,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:16:11,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:11,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:11,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:11,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:11,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:11,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:11,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:11,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:11,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:11,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:11,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:11,981 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:11,982 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:11,982 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:11,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:11,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:11,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:11,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:11,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:11,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:11,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:11,989 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:11,990 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:11,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:11,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:11,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:11,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:11,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:11,994 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:11,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:11,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:11,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:11,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:11,997 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_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6603f2f4bd6d1f50aa67c1d5cd4c218f5c0ed680e7da752342ca31bb3f0b3423 [2023-11-24 22:16:12,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:12,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:12,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:12,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:12,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:12,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-11-24 22:16:15,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:16,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:16,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_17_bad.i [2023-11-24 22:16:16,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data/7102fb403/5f40305a279f4afca262de0687a06de8/FLAG0a11d0a7d [2023-11-24 22:16:16,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/data/7102fb403/5f40305a279f4afca262de0687a06de8 [2023-11-24 22:16:16,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:16,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:16,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:16,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:16,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:16,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:16" (1/1) ... [2023-11-24 22:16:16,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64dc5ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:16, skipping insertion in model container [2023-11-24 22:16:16,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:16" (1/1) ... [2023-11-24 22:16:16,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:17,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:17,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:17,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:18,034 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:18,034 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:18,034 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:18,034 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:18,044 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:18,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18 WrapperNode [2023-11-24 22:16:18,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:18,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:18,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:18,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:18,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,185 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-24 22:16:18,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:18,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:18,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:18,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:18,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:18,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:18,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:18,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:18,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:18,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:18,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:18,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:16:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:16:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:18,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:16:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:16:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:16:18,558 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:18,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:18,815 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:18,907 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:18,908 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:16:18,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:18 BoogieIcfgContainer [2023-11-24 22:16:18,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:18,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:18,912 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:18,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:18,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:18" (1/1) ... [2023-11-24 22:16:18,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-24 22:16:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-24 22:16:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:19,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:19,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:19,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:19,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:16:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:19,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:19,391 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 22:16:19,394 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:19,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:16:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-24 22:16:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-24 22:16:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:19,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:19,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:19,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:19,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:16:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:19,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:19,729 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 22:16:19,732 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:19,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 22:16:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-24 22:16:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-24 22:16:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:19,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:19,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:19,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:19,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:16:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:20,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:20,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:20,090 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:20,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 22:16:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-11-24 22:16:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-24 22:16:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:20,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:20,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:20,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:20,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:16:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:20,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:20,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:20,747 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:20,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:16:20,753 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-24 22:16:20,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 22:16:20,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-11-24 22:16:20,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:16:20,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:20 ImpRootNode [2023-11-24 22:16:20,791 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:20,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:20,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:20,793 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:20,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:18" (3/4) ... [2023-11-24 22:16:20,795 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:16:20,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:20,798 INFO L158 Benchmark]: Toolchain (without parser) took 4252.28ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.8MB in the beginning and 54.0MB in the end (delta: -1.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-24 22:16:20,798 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 89.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:20,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1496.59ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 70.3MB in the end (delta: -17.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-24 22:16:20,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.68ms. Allocated memory is still 100.7MB. Free memory was 70.2MB in the beginning and 67.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:20,801 INFO L158 Benchmark]: Boogie Preprocessor took 94.08ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:20,801 INFO L158 Benchmark]: RCFGBuilder took 628.57ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 46.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:20,802 INFO L158 Benchmark]: CodeCheck took 1880.28ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 54.7MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:20,803 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 54.0MB in the end (delta: 728.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:20,806 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 21 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 2 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2/3 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: 1560]: 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 1569. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] EXPR \read(data) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 89.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1496.59ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 70.3MB in the end (delta: -17.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.68ms. Allocated memory is still 100.7MB. Free memory was 70.2MB in the beginning and 67.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.08ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.57ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 46.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1880.28ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 54.7MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 54.0MB in the end (delta: 728.2kB). Peak memory consumption was 2.1MB. 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~post101 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 22:16:20,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f767ad2-6884-4472-9f7e-c4cac409c2cd/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