./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark42_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark42_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c31b22cf9178a4af8e1a2477ae4fc9cea74c6162fbc795d23988a77b231ac61 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:44,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:44,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:18:44,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:44,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:44,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:44,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:44,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:44,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:44,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:44,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:44,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:44,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:44,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:44,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:44,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:44,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:44,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:44,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:44,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:44,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:44,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:44,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:44,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:44,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:44,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:44,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:44,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:44,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:44,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:44,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:44,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:44,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:44,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:44,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:44,613 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_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c31b22cf9178a4af8e1a2477ae4fc9cea74c6162fbc795d23988a77b231ac61 [2023-11-24 22:18:44,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:44,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:44,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:44,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:44,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:44,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-zilu/benchmark42_conjunctive.i [2023-11-24 22:18:48,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:48,273 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:48,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/sv-benchmarks/c/loop-zilu/benchmark42_conjunctive.i [2023-11-24 22:18:48,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/data/88dd3fc82/759059576fe3422fb6cdbb72f59ce41f/FLAGf1174af13 [2023-11-24 22:18:48,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/data/88dd3fc82/759059576fe3422fb6cdbb72f59ce41f [2023-11-24 22:18:48,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:48,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:48,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:48,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:48,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:48,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a46bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48, skipping insertion in model container [2023-11-24 22:18:48,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:48,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:48,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:48,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:48,601 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:48,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48 WrapperNode [2023-11-24 22:18:48,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:48,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:48,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:48,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:48,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,649 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-24 22:18:48,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:48,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:48,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:48,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:48,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:48,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:48,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:48,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:48,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:48" (1/1) ... [2023-11-24 22:18:48,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:48,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:48,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:48,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:48,831 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:48,992 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:49,049 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:49,050 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:18:49,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:49 BoogieIcfgContainer [2023-11-24 22:18:49,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:49,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:49,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:49,067 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:49,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:49" (1/1) ... [2023-11-24 22:18:49,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2023-11-24 22:18:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-11-24 22:18:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:18:49,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-11-24 22:18:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-11-24 22:18:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:18:49,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:49,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:49,585 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:18:49,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-24 22:18:49,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-24 22:18:49,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:49 ImpRootNode [2023-11-24 22:18:49,612 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:49,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:49,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:49,613 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:49,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:49" (3/4) ... [2023-11-24 22:18:49,615 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:18:49,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-24 22:18:49,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated [2023-11-24 22:18:49,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:18:49,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:49,657 INFO L158 Benchmark]: Toolchain (without parser) took 1355.52ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 103.9MB in the beginning and 135.4MB in the end (delta: -31.4MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,658 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 94.3MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:49,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.41ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 93.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.31ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 92.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:49,661 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,662 INFO L158 Benchmark]: RCFGBuilder took 378.10ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 77.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,665 INFO L158 Benchmark]: CodeCheck took 559.06ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 77.8MB in the beginning and 137.0MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:49,666 INFO L158 Benchmark]: Witness Printer took 39.41ms. Allocated memory is still 178.3MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:49,672 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 1 procedures, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] int z = __VERIFIER_nondet_int(); [L23] x == y && x >= 0 && x+y+z==0 VAL [x=1073741824, y=1073741824, z=0] [L23] x+y VAL [x=1073741824, y=1073741824, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 94.3MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.41ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 93.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.31ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 92.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.10ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 77.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 559.06ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 77.8MB in the beginning and 137.0MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.41ms. Allocated memory is still 178.3MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:18:49,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9289093-de63-4e5c-ad41-e3b93c43a2f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)