./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC --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 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:50,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:51,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:12:51,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:51,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:51,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:51,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:51,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:51,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:51,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:51,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:51,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:51,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:51,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:51,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:51,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:51,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:51,177 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:51,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:51,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:51,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:51,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:51,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:51,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:51,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:51,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:51,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:51,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:51,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:51,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:51,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:51,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:51,184 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_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93 [2023-11-23 20:12:51,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:51,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:51,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:51,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:51,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:51,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i [2023-11-23 20:12:54,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:55,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:55,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i [2023-11-23 20:12:55,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data/f84e38359/40452275df50493b9586fd12a6c7b13d/FLAG90ffd3d5b [2023-11-23 20:12:55,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data/f84e38359/40452275df50493b9586fd12a6c7b13d [2023-11-23 20:12:55,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:55,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:55,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:55,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:55,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:55,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:55" (1/1) ... [2023-11-23 20:12:55,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39352529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:55, skipping insertion in model container [2023-11-23 20:12:55,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:55" (1/1) ... [2023-11-23 20:12:55,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:55,550 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:56,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:56,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:56,183 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:56,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:56,467 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:56,467 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:56,467 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:56,468 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:56,468 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:56,468 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:56,476 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:56,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56 WrapperNode [2023-11-23 20:12:56,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:56,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:56,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:56,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:56,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,538 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-23 20:12:56,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:56,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:56,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:56,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:56,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:56,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:56,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:56,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:56,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:56" (1/1) ... [2023-11-23 20:12:56,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:56,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:56,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:56,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:12:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:12:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:12:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:12:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:12:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:56,875 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:56,877 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:56,998 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:57,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:57,037 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:12:57,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:57 BoogieIcfgContainer [2023-11-23 20:12:57,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:57,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:57,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:57,050 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:57,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:57" (1/1) ... [2023-11-23 20:12:57,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:12:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:12:57,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:12:57,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:57,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 21 transitions. [2023-11-23 20:12:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-23 20:12:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:12:57,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:57,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 26 transitions. [2023-11-23 20:12:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-23 20:12:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:12:57,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:57,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:57,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:12:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:58,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:12:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:58,089 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:12:58,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:12:58 ImpRootNode [2023-11-23 20:12:58,135 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:12:58,136 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:12:58,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:12:58,136 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:12:58,137 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:57" (3/4) ... [2023-11-23 20:12:58,139 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:12:58,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:12:58,141 INFO L158 Benchmark]: Toolchain (without parser) took 3066.77ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 106.9MB in the beginning and 127.3MB in the end (delta: -20.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,141 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:58,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.21ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 90.4MB in the end (delta: 16.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.59ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 88.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,143 INFO L158 Benchmark]: Boogie Preprocessor took 48.83ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 86.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,144 INFO L158 Benchmark]: RCFGBuilder took 450.45ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 71.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:12:58,145 INFO L158 Benchmark]: CodeCheck took 1095.59ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 71.7MB in the beginning and 127.3MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:58,145 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 172.0MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:58,149 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 38 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:30}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_05_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.21ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 90.4MB in the end (delta: 16.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.59ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 88.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.83ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 86.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.45ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 71.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1095.59ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 71.7MB in the beginning and 127.3MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 172.0MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:12:58,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC --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 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:00,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:01,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:13:01,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:01,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:01,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:01,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:01,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:01,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:01,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:01,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:01,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:01,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:01,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:01,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:13:01,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:13:01,116 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:01,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:13:01,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:01,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:01,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:01,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:01,120 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:01,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:01,121 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:01,121 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:01,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:01,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:01,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:01,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:01,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:01,125 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:13:01,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:01,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:01,127 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:13:01,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:01,127 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_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ecaf18e1ce6f380d3a237252c8463b87cf87e88ec8be9dcbeec0eb8c654ef93 [2023-11-23 20:13:01,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:01,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:01,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:01,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:01,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:01,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i [2023-11-23 20:13:04,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:05,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:05,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_bad.i [2023-11-23 20:13:05,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data/e814e152b/3678883551b440f99f5a695ae816b0a4/FLAGe21a810b8 [2023-11-23 20:13:05,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/data/e814e152b/3678883551b440f99f5a695ae816b0a4 [2023-11-23 20:13:05,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:05,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:05,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:05,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:05,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:05,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:05" (1/1) ... [2023-11-23 20:13:05,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efbaa5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:05, skipping insertion in model container [2023-11-23 20:13:05,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:05" (1/1) ... [2023-11-23 20:13:05,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:06,038 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:13:06,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:06,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:06,750 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:13:06,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:06,965 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:06,965 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:06,966 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:06,966 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:06,966 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:06,966 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:13:06,974 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:06,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06 WrapperNode [2023-11-23 20:13:06,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:06,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:06,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:06,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:06,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,043 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-23 20:13:07,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:07,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:07,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:07,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:07,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:07,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:07,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:07,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:07,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:06" (1/1) ... [2023-11-23 20:13:07,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:07,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:07,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:07,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:13:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:13:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:13:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:13:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:13:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:13:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:13:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:13:07,346 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:07,349 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:07,531 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:07,578 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:07,578 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:13:07,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:07 BoogieIcfgContainer [2023-11-23 20:13:07,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:07,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:07,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:07,600 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:07,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:07" (1/1) ... [2023-11-23 20:13:07,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:13:07,686 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:13:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:13:07,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:07,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:07,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:07,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:07,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:13:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:07,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:13:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:07,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:13:07,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:07,886 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:13:07,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:13:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-23 20:13:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-23 20:13:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:13:07,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:07,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:07,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:07,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:07,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:13:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:08,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:13:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:08,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:08,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:08,114 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:13:08,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:13:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:13:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:13:08,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:13:08,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:08,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:08,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:13:08,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:13:08,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:13:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:08,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-23 20:13:08,592 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:13:08,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:13:08 ImpRootNode [2023-11-23 20:13:08,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:13:08,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:13:08,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:13:08,630 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:13:08,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:07" (3/4) ... [2023-11-23 20:13:08,633 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:13:08,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:13:08,635 INFO L158 Benchmark]: Toolchain (without parser) took 3230.48ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 53.8MB in the beginning and 65.5MB in the end (delta: -11.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,636 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 142.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:08,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1568.33ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 53.5MB in the beginning and 56.1MB in the end (delta: -2.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.30ms. Allocated memory is still 104.9MB. Free memory was 56.1MB in the beginning and 52.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,645 INFO L158 Benchmark]: Boogie Preprocessor took 49.18ms. Allocated memory is still 104.9MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:08,647 INFO L158 Benchmark]: RCFGBuilder took 485.64ms. Allocated memory is still 104.9MB. Free memory was 50.8MB in the beginning and 64.5MB in the end (delta: -13.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,648 INFO L158 Benchmark]: CodeCheck took 1048.44ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 66.1MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:08,649 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 65.5MB in the end (delta: 624.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:08,653 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 27 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_05_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 142.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1568.33ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 53.5MB in the beginning and 56.1MB in the end (delta: -2.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.30ms. Allocated memory is still 104.9MB. Free memory was 56.1MB in the beginning and 52.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.18ms. Allocated memory is still 104.9MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.64ms. Allocated memory is still 104.9MB. Free memory was 50.8MB in the beginning and 64.5MB in the end (delta: -13.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * CodeCheck took 1048.44ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 66.1MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 65.5MB in the end (delta: 624.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:13:08,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c1f641c-6627-4e81-919e-8369276f1027/bin/ukojak-verify-1t5iHCbJaC/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