./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i --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_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/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_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/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_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/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 95b5179edb030463668b341d624243529de83b4afda6c4d2e0bf3bc1cb57b210 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:20:19,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:20:20,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 05:20:20,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:20:20,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:20:20,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:20:20,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:20:20,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:20:20,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:20:20,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:20:20,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:20:20,055 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:20:20,056 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:20:20,056 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:20:20,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:20:20,056 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:20:20,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:20:20,056 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:20:20,056 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:20:20,056 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:20:20,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:20:20,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:20,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:20:20,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:20:20,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:20:20,057 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:20:20,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:20:20,058 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_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/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 -> 95b5179edb030463668b341d624243529de83b4afda6c4d2e0bf3bc1cb57b210 [2024-11-25 05:20:20,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:20:20,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:20:20,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:20:20,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:20:20,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:20:20,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2024-11-25 05:20:23,289 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/data/c949f3298/e5b52d7b5f60437eb9c432a5c4abc50a/FLAGbe3883778 [2024-11-25 05:20:23,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:20:23,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2024-11-25 05:20:23,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/data/c949f3298/e5b52d7b5f60437eb9c432a5c4abc50a/FLAGbe3883778 [2024-11-25 05:20:23,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/data/c949f3298/e5b52d7b5f60437eb9c432a5c4abc50a [2024-11-25 05:20:23,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:20:23,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:20:23,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:23,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:20:23,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:20:23,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:23,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5700b023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23, skipping insertion in model container [2024-11-25 05:20:23,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:23,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:20:23,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:23,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:20:23,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:23,940 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:20:23,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23 WrapperNode [2024-11-25 05:20:23,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:23,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:23,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:20:23,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:20:23,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:23,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:23,997 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-25 05:20:23,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:24,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:20:24,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:20:24,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:20:24,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,019 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:20:24,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:20:24,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:20:24,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:20:24,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:23" (1/1) ... [2024-11-25 05:20:24,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:24,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:20:24,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:20:24,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:20:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:20:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:20:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:20:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:20:24,173 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:20:24,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:20:24,408 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 05:20:24,408 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:20:24,532 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:20:24,532 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:20:24,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:24 BoogieIcfgContainer [2024-11-25 05:20:24,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:20:24,533 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:20:24,533 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:20:24,544 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:20:24,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:24" (1/1) ... [2024-11-25 05:20:24,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:20:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-25 05:20:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 05:20:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:20:24,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:24,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:24,912 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 05:20:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 05:20:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 05:20:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:20:24,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:24,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:25,160 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 05:20:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 05:20:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 05:20:25,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:20:25,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:25,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:25,356 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 05:20:25,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:25,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 05:20:25,657 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 05:20:25,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:20:25,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:25,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:25,823 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 05:20:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:26,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-25 05:20:26,167 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-25 05:20:26,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:20:26,168 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 05:20:26,180 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 05:20:26,225 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2024-11-25 05:20:26,226 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-25 05:20:26,226 INFO L77 FloydHoareUtils]: At program point L27-7(lines 24 33) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-11-25 05:20:26,226 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 20 36) the Hoare annotation is: true [2024-11-25 05:20:26,226 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2024-11-25 05:20:26,226 INFO L77 FloydHoareUtils]: At program point L28-1(lines 24 33) the Hoare annotation is: true [2024-11-25 05:20:26,226 INFO L77 FloydHoareUtils]: At program point L24-5(lines 24 33) the Hoare annotation is: true [2024-11-25 05:20:26,226 INFO L77 FloydHoareUtils]: At program point L24-6(lines 24 33) the Hoare annotation is: true [2024-11-25 05:20:26,227 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2024-11-25 05:20:26,227 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:20:26,228 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-11-25 05:20:26,228 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-11-25 05:20:26,228 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:20:26,228 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-25 05:20:26,228 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2024-11-25 05:20:26,228 INFO L77 FloydHoareUtils]: At program point L30-1(line 30) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 99) [2024-11-25 05:20:26,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:20:26 ImpRootNode [2024-11-25 05:20:26,238 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:20:26,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:20:26,239 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:20:26,239 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:20:26,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:24" (3/4) ... [2024-11-25 05:20:26,244 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:20:26,252 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-25 05:20:26,252 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 05:20:26,252 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:20:26,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:20:26,344 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:20:26,344 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:20:26,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:20:26,346 INFO L158 Benchmark]: Toolchain (without parser) took 2725.47ms. Allocated memory is still 142.6MB. Free memory was 119.7MB in the beginning and 68.8MB in the end (delta: 50.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-25 05:20:26,346 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:26,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.92ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:20:26,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.83ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:26,347 INFO L158 Benchmark]: Boogie Preprocessor took 30.78ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.3MB in the end (delta: 961.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:26,348 INFO L158 Benchmark]: RCFGBuilder took 495.86ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 84.2MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:20:26,348 INFO L158 Benchmark]: CodeCheck took 1704.81ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 74.0MB in the end (delta: 10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-25 05:20:26,349 INFO L158 Benchmark]: Witness Printer took 106.04ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 68.8MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:20:26,351 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 8 mSDtfsCounter, 157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.92ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.83ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.78ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.3MB in the end (delta: 961.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.86ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 84.2MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1704.81ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 74.0MB in the end (delta: 10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 106.04ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 68.8MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:20:26,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf40aaf7-9d8f-4595-9d5d-9c7c8b72c0ae/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 Result: TRUE