./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3 --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 e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:59:34,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:59:34,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 01:59:34,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:59:34,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:59:34,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:59:34,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:59:34,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:59:34,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:59:34,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:59:34,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:59:34,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:59:34,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:59:34,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:59:34,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:59:34,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:59:34,693 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:59:34,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:59:34,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:59:34,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:59:34,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:59:34,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:59:34,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:34,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:59:34,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:59:34,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:59:34,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:59:34,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:59:34,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3 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 -> e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b [2024-11-25 01:59:34,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:59:35,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:59:35,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:59:35,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:59:35,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:59:35,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-nla/prodbin-both-t.c [2024-11-25 01:59:38,177 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/data/94cbc423d/e9dfc2f3478840339ea3627fcedc8004/FLAG585b6d075 [2024-11-25 01:59:38,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:59:38,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/sv-benchmarks/c/termination-nla/prodbin-both-t.c [2024-11-25 01:59:38,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/data/94cbc423d/e9dfc2f3478840339ea3627fcedc8004/FLAG585b6d075 [2024-11-25 01:59:38,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/data/94cbc423d/e9dfc2f3478840339ea3627fcedc8004 [2024-11-25 01:59:38,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:59:38,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:59:38,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:38,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:59:38,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:59:38,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:38,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c0f014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38, skipping insertion in model container [2024-11-25 01:59:38,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:38,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:59:38,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:38,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:59:38,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:38,998 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:59:38,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38 WrapperNode [2024-11-25 01:59:38,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:39,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:39,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:59:39,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:59:39,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,031 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-25 01:59:39,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:39,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:59:39,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:59:39,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:59:39,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,043 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:59:39,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:59:39,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:59:39,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:59:39,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:38" (1/1) ... [2024-11-25 01:59:39,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:39,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:59:39,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:59:39,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:59:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:59:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:59:39,182 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:59:39,187 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:59:39,410 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-25 01:59:39,410 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:59:39,438 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:59:39,438 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:59:39,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:39 BoogieIcfgContainer [2024-11-25 01:59:39,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:59:39,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:59:39,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:59:39,454 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:59:39,454 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:39" (1/1) ... [2024-11-25 01:59:39,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:59:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:39,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2024-11-25 01:59:39,528 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2024-11-25 01:59:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:59:39,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:39,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2024-11-25 01:59:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2024-11-25 01:59:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:59:39,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:39,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2024-11-25 01:59:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2024-11-25 01:59:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 01:59:39,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:39,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:59:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:40,014 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:59:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:59:40,034 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 01:59:40,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:59:40 ImpRootNode [2024-11-25 01:59:40,056 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:59:40,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:59:40,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:59:40,057 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:59:40,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:39" (3/4) ... [2024-11-25 01:59:40,059 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 01:59:40,104 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-25 01:59:40,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:59:40,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:59:40,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:59:40,158 INFO L158 Benchmark]: Toolchain (without parser) took 1402.83ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 70.5MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 01:59:40,158 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:40,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.12ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:59:40,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.91ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:40,161 INFO L158 Benchmark]: Boogie Preprocessor took 22.20ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.7MB in the end (delta: 740.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:40,161 INFO L158 Benchmark]: RCFGBuilder took 384.36ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 94.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:59:40,162 INFO L158 Benchmark]: CodeCheck took 615.17ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 74.5MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:59:40,163 INFO L158 Benchmark]: Witness Printer took 100.63ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 70.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:59:40,165 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, 43 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 4 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 38]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int a, b; [L22] int x, y, z; [L24] a = __VERIFIER_nondet_int() [L25] b = __VERIFIER_nondet_int() [L28] COND FALSE !(b < 1) [L32] x = a [L33] y = b [L34] z = 0 VAL [a=-2147483647, b=2, x=-2147483647, y=2, z=0] [L38] y + z VAL [a=-2147483647, b=2, x=-2147483647, y=2, z=0] [L38] x * y VAL [a=-2147483647, b=2, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.12ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.91ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.20ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.7MB in the end (delta: 740.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.36ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 94.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 615.17ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 74.5MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 100.63ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 70.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 01:59:40,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e6c2146-3510-4309-a3ba-b238b333bca6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)