./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:31,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:31,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:26:31,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:31,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:31,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:31,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:31,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:31,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:31,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:31,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:31,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:31,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:31,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:31,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:31,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:31,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:31,763 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:31,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:31,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:31,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:31,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:31,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:31,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:31,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:31,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:31,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:31,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:31,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:31,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:31,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:31,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:31,772 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_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-11-23 20:26:32,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:32,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:32,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:32,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:32,078 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:32,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-23 20:26:35,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:35,634 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:35,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-23 20:26:35,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data/c914bac4a/c8f45c99867848bb94979d67afb5ad3b/FLAG874abf0e6 [2023-11-23 20:26:35,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data/c914bac4a/c8f45c99867848bb94979d67afb5ad3b [2023-11-23 20:26:35,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:35,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:35,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:35,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:35,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:35,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:35" (1/1) ... [2023-11-23 20:26:35,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733dcddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:35, skipping insertion in model container [2023-11-23 20:26:35,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:35" (1/1) ... [2023-11-23 20:26:35,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:36,302 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:37,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:37,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:37,777 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:37,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:38,156 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:38,157 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:38,157 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:38,157 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:38,157 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:38,157 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:38,165 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:38,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38 WrapperNode [2023-11-23 20:26:38,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:38,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:38,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:38,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:38,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,254 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-23 20:26:38,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:38,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:38,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:38,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:38,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:38,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:38,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:38,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:38,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:38,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:38,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:26:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:26:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:26:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:38,598 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:38,599 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:38,744 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:38,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:38,786 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:26:38,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:38 BoogieIcfgContainer [2023-11-23 20:26:38,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:38,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:38,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:38,800 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:38,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:38" (1/1) ... [2023-11-23 20:26:38,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:26:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:26:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:26:38,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:38,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-23 20:26:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-23 20:26:39,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:26:39,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:39,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:39,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:39,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:39,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 25 transitions. [2023-11-23 20:26:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-23 20:26:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:26:39,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:39,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:26:49,584 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:26:49,588 INFO L158 Benchmark]: Toolchain (without parser) took 13887.35ms. Allocated memory is still 178.3MB. Free memory was 141.4MB in the beginning and 111.4MB in the end (delta: 30.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-23 20:26:49,589 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:49,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2464.65ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 86.9MB in the end (delta: 53.6MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2023-11-23 20:26:49,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.60ms. Allocated memory is still 178.3MB. Free memory was 86.9MB in the beginning and 82.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:26:49,591 INFO L158 Benchmark]: Boogie Preprocessor took 31.38ms. Allocated memory is still 178.3MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 857.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:49,592 INFO L158 Benchmark]: RCFGBuilder took 500.94ms. Allocated memory is still 178.3MB. Free memory was 81.9MB in the beginning and 138.1MB in the end (delta: -56.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-23 20:26:49,592 INFO L158 Benchmark]: CodeCheck took 10797.15ms. Allocated memory is still 178.3MB. Free memory was 138.1MB in the beginning and 111.4MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 20:26:49,596 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2464.65ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 86.9MB in the end (delta: 53.6MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.60ms. Allocated memory is still 178.3MB. Free memory was 86.9MB in the beginning and 82.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.38ms. Allocated memory is still 178.3MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 857.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.94ms. Allocated memory is still 178.3MB. Free memory was 81.9MB in the beginning and 138.1MB in the end (delta: -56.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 10797.15ms. Allocated memory is still 178.3MB. Free memory was 138.1MB in the beginning and 111.4MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:26:49,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:52,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:52,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:26:52,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:52,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:52,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:52,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:52,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:52,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:52,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:52,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:52,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:52,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:52,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:52,434 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:26:52,434 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:26:52,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:52,435 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:26:52,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:52,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:52,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:52,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:52,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:52,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:52,440 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:26:52,440 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:26:52,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:52,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:52,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:52,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:52,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:52,444 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:26:52,444 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:26:52,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:52,445 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:26:52,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:26:52,446 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_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-11-23 20:26:52,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:52,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:52,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:52,901 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:52,902 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:52,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-23 20:26:56,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:56,470 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:56,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-23 20:26:56,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data/08bd2b107/d7dab3faf8ad4266b954244670054955/FLAG606933278 [2023-11-23 20:26:56,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/data/08bd2b107/d7dab3faf8ad4266b954244670054955 [2023-11-23 20:26:56,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:56,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:56,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:56,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:56,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:56,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:56" (1/1) ... [2023-11-23 20:26:56,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d83b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:56, skipping insertion in model container [2023-11-23 20:26:56,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:56" (1/1) ... [2023-11-23 20:26:56,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:57,040 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:57,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:58,011 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:58,035 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:26:58,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:58,401 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,402 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,402 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,402 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,402 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,403 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,410 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:58,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58 WrapperNode [2023-11-23 20:26:58,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:58,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:58,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:58,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:58,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,513 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-11-23 20:26:58,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:58,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:58,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:58,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:58,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:58,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:58,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:58,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:58,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:58,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:58,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:58,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:26:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:26:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:26:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:26:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:26:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:26:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:26:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:26:58,918 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:58,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:02,311 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:02,357 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:02,357 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:27:02,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:02 BoogieIcfgContainer [2023-11-23 20:27:02,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:02,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:02,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:02,370 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:02,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:02" (1/1) ... [2023-11-23 20:27:02,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:27:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:27:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:02,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:02,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:02,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:27:02,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:27:02,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:27:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:02,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:27:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:02,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:02,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:02,687 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:27:02,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:27:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2023-11-23 20:27:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-23 20:27:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:27:02,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:02,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:27:02,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:27:02,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a02d040-7390-4cc2-ac5f-85952ffa3940/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process