./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 58496869a16ffeea9559ca0c6035ba76fca571afa99319292183198f494e13eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:09,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:09,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:52:09,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:09,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:09,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:09,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:09,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:09,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:09,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:09,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:09,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:09,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:09,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:09,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:09,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:09,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:09,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:09,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:09,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:09,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:09,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:09,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:09,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:09,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:09,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:09,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:09,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:09,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:09,153 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:09,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:09,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:09,154 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_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58496869a16ffeea9559ca0c6035ba76fca571afa99319292183198f494e13eb [2023-11-24 22:52:09,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:09,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:09,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:09,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:09,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:09,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_bad.i [2023-11-24 22:52:12,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:13,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:13,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_bad.i [2023-11-24 22:52:13,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data/7b34f1453/6440e8940d9f4715ab6d62537b35a58d/FLAGb1cd2e150 [2023-11-24 22:52:13,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data/7b34f1453/6440e8940d9f4715ab6d62537b35a58d [2023-11-24 22:52:13,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:13,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:13,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:13,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:13,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:13,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195ba212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:13, skipping insertion in model container [2023-11-24 22:52:13,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:13" (1/1) ... [2023-11-24 22:52:13,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:15,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:15,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:15,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:15,689 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:15,690 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:15,690 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:15,690 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:15,690 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:15,699 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:15,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15 WrapperNode [2023-11-24 22:52:15,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:15,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:15,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:15,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:15,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,790 INFO L138 Inliner]: procedures = 938, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-11-24 22:52:15,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:15,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:15,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:15,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:15,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:15,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:15,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:15,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:15,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:15" (1/1) ... [2023-11-24 22:52:15,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:15,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:15,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:15,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:52:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:52:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:52:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:52:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:52:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:16,152 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:16,155 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:16,387 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:16,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:16,430 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:16,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:16 BoogieIcfgContainer [2023-11-24 22:52:16,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:16,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:16,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:16,448 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:16,449 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:16" (1/1) ... [2023-11-24 22:52:16,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:16,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:52:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:52:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:16,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:52:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:52:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:52:16,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:17,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:52:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:52:17,151 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:52:17,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet186 [2023-11-24 22:52:17,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:17 ImpRootNode [2023-11-24 22:52:17,183 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:17,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:17,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:17,184 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:17,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:16" (3/4) ... [2023-11-24 22:52:17,187 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:52:17,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:17,189 INFO L158 Benchmark]: Toolchain (without parser) took 4090.39ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 122.7MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:17,190 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:17,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2598.68ms. Allocated memory is still 172.0MB. Free memory was 120.8MB in the beginning and 102.8MB in the end (delta: 18.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-11-24 22:52:17,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.61ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 98.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:17,192 INFO L158 Benchmark]: Boogie Preprocessor took 37.14ms. Allocated memory is still 172.0MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:17,192 INFO L158 Benchmark]: RCFGBuilder took 602.14ms. Allocated memory is still 172.0MB. Free memory was 96.5MB in the beginning and 80.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:17,193 INFO L158 Benchmark]: CodeCheck took 750.80ms. Allocated memory is still 172.0MB. Free memory was 80.7MB in the beginning and 122.7MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:17,194 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 172.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:17,197 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 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, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 1862]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1841, overapproximation of large string literal at line 1853. 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); [L1853] 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) [L1853] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=65, argc=65, argv={64:66}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_63_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] EXPR data = atoi(inputBuffer) [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1837-L1847] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_63b_badSink(&data) [L1860] EXPR \read(*dataPtr) [L1860] int data = *dataPtr; [L1862] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-268435456, dataPtr={7:0}, dataPtr={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2598.68ms. Allocated memory is still 172.0MB. Free memory was 120.8MB in the beginning and 102.8MB in the end (delta: 18.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.61ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 98.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.14ms. Allocated memory is still 172.0MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.14ms. Allocated memory is still 172.0MB. Free memory was 96.5MB in the beginning and 80.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 750.80ms. Allocated memory is still 172.0MB. Free memory was 80.7MB in the beginning and 122.7MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 172.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet186 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:52:17,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 58496869a16ffeea9559ca0c6035ba76fca571afa99319292183198f494e13eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:20,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:20,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:52:20,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:20,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:20,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:20,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:20,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:20,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:20,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:20,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:20,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:20,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:20,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:20,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:52:20,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:52:20,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:20,273 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:52:20,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:20,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:20,275 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:20,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:20,277 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:20,278 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:20,278 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:20,279 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:20,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:20,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:20,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:20,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:20,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:20,283 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:52:20,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:20,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:20,284 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:52:20,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:20,285 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_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58496869a16ffeea9559ca0c6035ba76fca571afa99319292183198f494e13eb [2023-11-24 22:52:20,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:20,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:20,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:20,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:20,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:20,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_bad.i [2023-11-24 22:52:24,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:24,863 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:24,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_bad.i [2023-11-24 22:52:24,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data/3393ef8f9/7d12439b161c481696cec75ab75105b8/FLAG2a240d592 [2023-11-24 22:52:24,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/data/3393ef8f9/7d12439b161c481696cec75ab75105b8 [2023-11-24 22:52:24,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:24,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:24,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:24,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:24,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:24,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:24" (1/1) ... [2023-11-24 22:52:24,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194fb9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:24, skipping insertion in model container [2023-11-24 22:52:24,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:24" (1/1) ... [2023-11-24 22:52:25,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:26,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:26,915 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:27,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:27,561 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:27,561 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:27,561 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:27,562 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:27,562 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:27,571 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:27,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27 WrapperNode [2023-11-24 22:52:27,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:27,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:27,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:27,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:27,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,684 INFO L138 Inliner]: procedures = 943, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-11-24 22:52:27,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:27,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:27,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:27,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:27,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:27,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:27,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:27,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:27,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:27" (1/1) ... [2023-11-24 22:52:27,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:27,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:27,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:52:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 22:52:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:52:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:52:27,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:52:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:52:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:52:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:52:28,100 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:28,103 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:31,601 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:31,656 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:31,666 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:31,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:31 BoogieIcfgContainer [2023-11-24 22:52:31,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:31,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:31,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:31,681 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:31,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:31" (1/1) ... [2023-11-24 22:52:31,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:52:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:52:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:31,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:31,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:31,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:52:31,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:52:31,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14583fe0-ff1e-4a2b-b4d6-68c2a44cab96/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process