./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL --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 415313b69609840638527da4b030874bf43926b9f4a31798fc3f3d54e6191efb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:54,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:54,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:13:54,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:54,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:54,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:54,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:54,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:54,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:54,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:54,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:54,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:54,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:54,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:54,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:54,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:54,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:54,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:13:54,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:13:54,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:54,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:54,300 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:54,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:54,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:54,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:54,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:54,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:54,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:54,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:54,307 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:54,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:54,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:54,309 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_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 415313b69609840638527da4b030874bf43926b9f4a31798fc3f3d54e6191efb [2023-11-19 03:13:54,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:54,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:54,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:54,673 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:54,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:54,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_good.i [2023-11-19 03:13:57,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:58,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:58,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_66_good.i [2023-11-19 03:13:58,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/data/69cec9484/42a7a13f589048ee9e1317f073550cb2/FLAGc1c48ff1c [2023-11-19 03:13:58,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/data/69cec9484/42a7a13f589048ee9e1317f073550cb2 [2023-11-19 03:13:58,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:58,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:58,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:58,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:58,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:58,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:58" (1/1) ... [2023-11-19 03:13:58,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6bc625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:58, skipping insertion in model container [2023-11-19 03:13:58,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:58" (1/1) ... [2023-11-19 03:13:58,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:58,721 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:13:59,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:59,292 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:59,313 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:13:59,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:59,602 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:59,603 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:59,603 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:59,603 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:59,603 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:59,613 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:59,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59 WrapperNode [2023-11-19 03:13:59,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:59,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:59,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:59,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:59,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,765 INFO L138 Inliner]: procedures = 503, calls = 76, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 75 [2023-11-19 03:13:59,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:59,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:59,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:59,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:59,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:59,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:59,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:59,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:59,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:59" (1/1) ... [2023-11-19 03:13:59,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:59,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:59,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:59,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:13:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:13:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:13:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:13:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:13:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:13:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:13:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:00,064 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:00,066 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:00,256 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:00,306 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:00,306 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:14:00,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:00 BoogieIcfgContainer [2023-11-19 03:14:00,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:00,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:00,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:00,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:00,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:00" (1/1) ... [2023-11-19 03:14:00,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 03:14:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 03:14:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:14:00,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:00,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 03:14:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 03:14:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:00,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:00,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-19 03:14:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-19 03:14:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:14:01,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:01,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:01,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 03:14:01,351 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 03:14:01,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:14:01,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:01,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-19 03:14:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-19 03:14:01,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:14:01,563 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:14:01,573 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:14:01,612 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:01,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:01 ImpRootNode [2023-11-19 03:14:01,616 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:01,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:01,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:01,618 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:01,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:00" (3/4) ... [2023-11-19 03:14:01,622 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:14:01,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:14:01,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:14:01,633 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-19 03:14:01,634 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:14:01,634 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:14:01,634 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:14:01,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:14:01,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:14:01,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:01,740 INFO L158 Benchmark]: Toolchain (without parser) took 3503.94ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 68.6MB in the beginning and 119.7MB in the end (delta: -51.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-11-19 03:14:01,741 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:01,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1376.20ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 68.3MB in the beginning and 113.0MB in the end (delta: -44.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-19 03:14:01,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.85ms. Allocated memory is still 157.3MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:01,742 INFO L158 Benchmark]: Boogie Preprocessor took 66.96ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:01,743 INFO L158 Benchmark]: RCFGBuilder took 477.67ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 90.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:14:01,743 INFO L158 Benchmark]: CodeCheck took 1304.07ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 90.0MB in the beginning and 124.8MB in the end (delta: -34.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:01,749 INFO L158 Benchmark]: Witness Printer took 121.76ms. Allocated memory is still 188.7MB. Free memory was 124.8MB in the beginning and 119.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:14:01,751 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 38 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1376.20ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 68.3MB in the beginning and 113.0MB in the end (delta: -44.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.85ms. Allocated memory is still 157.3MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.96ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.67ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 90.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1304.07ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 90.0MB in the beginning and 124.8MB in the end (delta: -34.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 121.76ms. Allocated memory is still 188.7MB. Free memory was 124.8MB in the beginning and 119.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:14:01,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6acc77-b31b-4ff1-9d79-5abd69e67654/bin/ukojak-verify-G8NBE6pJGL/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