./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/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_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/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_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/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 9a486a2e614faecdad870a430dfadb2eac9f080c97c50c08bca1e6e1a38dbd0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:40,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:40,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:02:40,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:02:40,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:02:40,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:40,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:40,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:40,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:40,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:40,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:40,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:40,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:02:40,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:40,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:40,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:40,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:40,282 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:40,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:40,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:40,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:40,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:40,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:40,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:40,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:40,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:40,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:40,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:40,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:40,289 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:02:40,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:02:40,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:40,291 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_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a486a2e614faecdad870a430dfadb2eac9f080c97c50c08bca1e6e1a38dbd0c [2023-11-23 20:02:40,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:40,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:40,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:40,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:40,633 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:40,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_good.i [2023-11-23 20:02:43,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:44,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:44,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_good.i [2023-11-23 20:02:44,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/data/23d25aa86/6d1185e5e4ab447ca8130270ae790a28/FLAG2bc3636f2 [2023-11-23 20:02:44,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/data/23d25aa86/6d1185e5e4ab447ca8130270ae790a28 [2023-11-23 20:02:44,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:44,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:44,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:44,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:44,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:44,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661e8d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:44, skipping insertion in model container [2023-11-23 20:02:44,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:44" (1/1) ... [2023-11-23 20:02:44,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:44,900 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:02:45,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:45,550 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:45,586 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:02:45,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:45,864 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:45,864 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:45,864 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:45,865 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:45,865 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:45,865 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:45,872 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:45,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45 WrapperNode [2023-11-23 20:02:45,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:45,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:45,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:45,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:45,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,948 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-23 20:02:45,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:45,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:45,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:45,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:45,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:45,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:45,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:45,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:45,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:45" (1/1) ... [2023-11-23 20:02:45,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:46,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:46,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:46,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:02:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:02:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:02:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:02:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:02:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:02:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:02:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:02:46,206 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:46,209 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:46,414 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:46,493 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:46,494 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 20:02:46,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:46 BoogieIcfgContainer [2023-11-23 20:02:46,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:46,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:46,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:46,508 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:46,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:46" (1/1) ... [2023-11-23 20:02:46,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:02:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2023-11-23 20:02:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2023-11-23 20:02:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:02:46,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:46,796 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 20:02:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 72 transitions. [2023-11-23 20:02:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-23 20:02:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:02:46,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:47,157 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 20:02:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 77 transitions. [2023-11-23 20:02:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-11-23 20:02:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:02:47,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:47,373 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 20:02:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 76 transitions. [2023-11-23 20:02:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-11-23 20:02:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:02:47,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:47,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:02:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 70 transitions. [2023-11-23 20:02:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-23 20:02:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:02:47,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:02:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 68 transitions. [2023-11-23 20:02:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-23 20:02:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:02:47,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:02:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 72 transitions. [2023-11-23 20:02:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-23 20:02:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:02:48,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:48,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:02:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 71 transitions. [2023-11-23 20:02:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-23 20:02:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:02:48,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:48,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 66 transitions. [2023-11-23 20:02:48,534 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2023-11-23 20:02:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:02:48,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:48,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 61 transitions. [2023-11-23 20:02:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-23 20:02:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:02:48,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:48,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 60 transitions. [2023-11-23 20:02:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-23 20:02:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:02:48,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:48,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 58 transitions. [2023-11-23 20:02:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2023-11-23 20:02:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:02:49,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:49,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:02:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 57 transitions. [2023-11-23 20:02:49,217 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-23 20:02:49,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:02:49,218 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-23 20:02:49,229 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:02:49,309 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:02:49,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:02:49 ImpRootNode [2023-11-23 20:02:49,314 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:02:49,315 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:02:49,315 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:02:49,315 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:02:49,316 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:46" (3/4) ... [2023-11-23 20:02:49,318 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:02:49,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:02:49,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:02:49,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-23 20:02:49,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:02:49,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:02:49,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:02:49,332 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:02:49,459 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:02:49,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:02:49,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:02:49,461 INFO L158 Benchmark]: Toolchain (without parser) took 5047.24ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 104.9MB in the beginning and 130.7MB in the end (delta: -25.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-23 20:02:49,462 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:49,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1457.12ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 83.6MB in the end (delta: 20.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-23 20:02:49,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.04ms. Allocated memory is still 151.0MB. Free memory was 83.6MB in the beginning and 80.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:49,463 INFO L158 Benchmark]: Boogie Preprocessor took 41.79ms. Allocated memory is still 151.0MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:49,464 INFO L158 Benchmark]: RCFGBuilder took 504.55ms. Allocated memory is still 151.0MB. Free memory was 78.6MB in the beginning and 59.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:49,464 INFO L158 Benchmark]: CodeCheck took 2817.06ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 59.7MB in the beginning and 135.8MB in the end (delta: -76.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:49,465 INFO L158 Benchmark]: Witness Printer took 145.49ms. Allocated memory is still 192.9MB. Free memory was 135.8MB in the beginning and 130.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:02:49,467 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 3 procedures, 56 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 909 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 718 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 194 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 470 IncrementalHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 194 mSolverCounterUnsat, 560 mSDtfsCounter, 470 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1866 GetRequests, 1827 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 38/38 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 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1457.12ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 83.6MB in the end (delta: 20.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.04ms. Allocated memory is still 151.0MB. Free memory was 83.6MB in the beginning and 80.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.79ms. Allocated memory is still 151.0MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.55ms. Allocated memory is still 151.0MB. Free memory was 78.6MB in the beginning and 59.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2817.06ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 59.7MB in the beginning and 135.8MB in the end (delta: -76.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 145.49ms. Allocated memory is still 192.9MB. Free memory was 135.8MB in the beginning and 130.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:02:49,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0c8dd5-253d-4f62-8952-7366ff2b4ac6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE