./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2 --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 c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:47,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:47,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:46:47,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:47,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:47,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:47,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:47,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:47,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:47,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:47,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:47,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:47,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:47,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:47,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:47,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:47,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:47,721 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:47,722 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:47,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:47,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:47,723 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:47,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:47,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:47,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:47,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:47,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:47,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:47,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:47,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:47,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:47,728 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:47,728 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_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 [2023-11-21 18:46:48,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:48,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:48,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:48,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:48,093 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:48,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i [2023-11-21 18:46:51,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:51,617 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:51,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i [2023-11-21 18:46:51,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data/f476b4e8d/860752f9ac4d4fddba869ee8085c9f6f/FLAG9fe6d7b8b [2023-11-21 18:46:51,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data/f476b4e8d/860752f9ac4d4fddba869ee8085c9f6f [2023-11-21 18:46:51,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:51,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:51,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:51,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:51,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:51,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9e386b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51, skipping insertion in model container [2023-11-21 18:46:51,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:52,189 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:46:52,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:52,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:52,883 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:46:52,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:53,189 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:53,190 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:53,190 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:53,190 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:53,190 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:53,191 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:53,200 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:53,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53 WrapperNode [2023-11-21 18:46:53,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:53,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:53,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:53,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:53,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,314 INFO L138 Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-11-21 18:46:53,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:53,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:53,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:53,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:53,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:53,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:53,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:53,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:53,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:53,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:53,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:53,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:46:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:46:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:46:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:46:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:46:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:46:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:46:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:46:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:46:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:53,704 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:53,708 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:53,894 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:53,956 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:53,956 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:46:53,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:53 BoogieIcfgContainer [2023-11-21 18:46:53,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:53,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:53,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:53,974 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:53,974 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:53" (1/1) ... [2023-11-21 18:46:53,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:46:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:46:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:54,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-21 18:46:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-21 18:46:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:55,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:55,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:55,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:46:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:55,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:46:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:55,199 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:46:55,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:46:55 ImpRootNode [2023-11-21 18:46:55,244 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:46:55,245 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:46:55,245 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:46:55,245 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:46:55,246 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:53" (3/4) ... [2023-11-21 18:46:55,248 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:46:55,249 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:46:55,251 INFO L158 Benchmark]: Toolchain (without parser) took 3567.48ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 109.8MB in the beginning and 112.3MB in the end (delta: -2.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-21 18:46:55,252 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 93.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:55,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1516.95ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 109.3MB in the beginning and 132.1MB in the end (delta: -22.8MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2023-11-21 18:46:55,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.65ms. Allocated memory is still 186.6MB. Free memory was 132.1MB in the beginning and 129.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:46:55,256 INFO L158 Benchmark]: Boogie Preprocessor took 47.34ms. Allocated memory is still 186.6MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:46:55,257 INFO L158 Benchmark]: RCFGBuilder took 594.64ms. Allocated memory is still 186.6MB. Free memory was 127.0MB in the beginning and 111.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:46:55,264 INFO L158 Benchmark]: CodeCheck took 1284.63ms. Allocated memory is still 186.6MB. Free memory was 111.4MB in the beginning and 112.3MB in the end (delta: -970.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:55,265 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 186.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:55,269 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=43, argc=43, argv={42:44}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={6:0}, dataArray={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 93.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1516.95ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 109.3MB in the beginning and 132.1MB in the end (delta: -22.8MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.65ms. Allocated memory is still 186.6MB. Free memory was 132.1MB in the beginning and 129.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.34ms. Allocated memory is still 186.6MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.64ms. Allocated memory is still 186.6MB. Free memory was 127.0MB in the beginning and 111.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1284.63ms. Allocated memory is still 186.6MB. Free memory was 111.4MB in the beginning and 112.3MB in the end (delta: -970.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 186.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:46:55,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2 --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 c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:58,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:58,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:46:58,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:58,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:58,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:58,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:58,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:58,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:58,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:58,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:58,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:58,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:58,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:58,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:46:58,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:46:58,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:58,258 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:46:58,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:58,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:58,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:58,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:58,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:58,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:58,263 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:46:58,263 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:46:58,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:58,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:58,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:58,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:58,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:58,267 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:46:58,267 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:46:58,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:58,268 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:46:58,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:46:58,268 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_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 [2023-11-21 18:46:58,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:58,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:58,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:58,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:58,779 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:58,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i [2023-11-21 18:47:02,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:02,549 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:02,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i [2023-11-21 18:47:02,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data/41ca1390d/1285f5ccd7b84b7c9d2218294f9d66aa/FLAG13aa54ca6 [2023-11-21 18:47:02,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/data/41ca1390d/1285f5ccd7b84b7c9d2218294f9d66aa [2023-11-21 18:47:02,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:02,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:02,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:02,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:02,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:02,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:02" (1/1) ... [2023-11-21 18:47:02,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce7c305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:02, skipping insertion in model container [2023-11-21 18:47:02,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:02" (1/1) ... [2023-11-21 18:47:02,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:03,227 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:47:03,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:03,857 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:03,880 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:47:03,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:04,146 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:04,147 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:04,147 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:04,147 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:04,147 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:04,148 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:04,155 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:04,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04 WrapperNode [2023-11-21 18:47:04,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:04,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:04,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:04,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:04,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,242 INFO L138 Inliner]: procedures = 506, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-21 18:47:04,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:04,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:04,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:04,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:04,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:04,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:04,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:04,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:04,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:04,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:04,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:04,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:47:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:47:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:47:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:47:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:47:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:47:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:47:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:47:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:47:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:47:04,651 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:04,654 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:04,867 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:04,933 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:04,934 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:47:04,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:04 BoogieIcfgContainer [2023-11-21 18:47:04,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:04,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:04,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:04,949 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:04,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:04" (1/1) ... [2023-11-21 18:47:04,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:47:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:47:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:47:05,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:05,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:05,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:05,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:47:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:05,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:05,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:05,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:05,309 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:05,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:47:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:47:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:47:05,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:05,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:05,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:05,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:47:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:05,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:47:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:06,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:47:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:06,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:06,172 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:47:06,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:47:06 ImpRootNode [2023-11-21 18:47:06,225 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:47:06,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:47:06,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:47:06,227 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:47:06,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:04" (3/4) ... [2023-11-21 18:47:06,230 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:47:06,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:47:06,232 INFO L158 Benchmark]: Toolchain (without parser) took 3638.15ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 39.8MB in the beginning and 62.2MB in the end (delta: -22.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-21 18:47:06,233 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:06,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.13ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 49.5MB in the end (delta: -10.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:47:06,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.55ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 46.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:06,236 INFO L158 Benchmark]: Boogie Preprocessor took 82.39ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:06,243 INFO L158 Benchmark]: RCFGBuilder took 609.44ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 49.8MB in the end (delta: -5.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-21 18:47:06,244 INFO L158 Benchmark]: CodeCheck took 1287.18ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.8MB in the beginning and 62.2MB in the end (delta: -12.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-21 18:47:06,246 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 100.7MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:06,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={6:0}, dataArray={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.13ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 49.5MB in the end (delta: -10.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.55ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 46.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.39ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.44ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 49.8MB in the end (delta: -5.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * CodeCheck took 1287.18ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.8MB in the beginning and 62.2MB in the end (delta: -12.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 100.7MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:47:06,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6392e00f-7f33-4b17-9c1f-1395bebd359c/bin/ukojak-verify-i0I2FZA1j2/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