./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV --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 1b2395776c1e1425b4f6f465f474a966203311ac5c873464051f0a05b88df0d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:52,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:52,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:02:52,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:52,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:52,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:52,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:52,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:52,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:52,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:52,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:52,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:52,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:52,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:52,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:52,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:52,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:52,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:52,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:52,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:52,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:52,211 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:52,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:52,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:52,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:52,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:52,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:52,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:52,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:52,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:52,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:52,218 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:52,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:52,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:52,220 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_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2395776c1e1425b4f6f465f474a966203311ac5c873464051f0a05b88df0d2 [2023-11-12 00:02:52,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:52,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:52,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:52,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:52,516 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:52,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i [2023-11-12 00:02:55,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:55,935 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:55,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i [2023-11-12 00:02:55,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/data/df8db5787/29d1db7702d941218d6928cd5653367f/FLAG16ffadbb5 [2023-11-12 00:02:55,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/data/df8db5787/29d1db7702d941218d6928cd5653367f [2023-11-12 00:02:55,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:55,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:55,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:55,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:55,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:55,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:55" (1/1) ... [2023-11-12 00:02:55,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f31b8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:55, skipping insertion in model container [2023-11-12 00:02:55,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:55" (1/1) ... [2023-11-12 00:02:56,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:56,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:56,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:56,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:56,203 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:56,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56 WrapperNode [2023-11-12 00:02:56,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:56,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:56,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:56,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:56,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,245 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-12 00:02:56,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:56,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:56,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:56,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:56,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:56,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:56,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:56,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:56,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:56,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:56,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:56,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:56,439 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:56,441 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:56,583 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:56,618 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:56,619 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:02:56,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:56 BoogieIcfgContainer [2023-11-12 00:02:56,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:56,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:56,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:56,649 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:56,650 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-12 00:02:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-12 00:02:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:02:56,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-12 00:02:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-12 00:02:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:02:57,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:57,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:57,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:57,128 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-12 00:02:57,149 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post4 could not be translated [2023-11-12 00:02:57,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:02:57 ImpRootNode [2023-11-12 00:02:57,152 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:02:57,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:02:57,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:02:57,153 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:02:57,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:56" (3/4) ... [2023-11-12 00:02:57,155 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:02:57,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post4 could not be translated [2023-11-12 00:02:57,199 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:02:57,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:02:57,205 INFO L158 Benchmark]: Toolchain (without parser) took 1237.92ms. Allocated memory is still 146.8MB. Free memory was 102.5MB in the beginning and 100.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-12 00:02:57,206 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 111.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:57,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.70ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 92.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:02:57,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.62ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:57,208 INFO L158 Benchmark]: Boogie Preprocessor took 36.21ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:57,212 INFO L158 Benchmark]: RCFGBuilder took 338.58ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 78.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:02:57,214 INFO L158 Benchmark]: CodeCheck took 529.59ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 101.1MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:57,215 INFO L158 Benchmark]: Witness Printer took 47.64ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 100.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:57,218 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, 15 locations, 4 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(y == x)) VAL [x=2147483647, y=2147483647] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] x++ VAL [x=2147483647, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 111.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.70ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 92.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.62ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 90.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.21ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.58ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 78.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 529.59ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 101.1MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.64ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 100.1MB in the end (delta: 1.1MB). 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~post4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:02:57,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d39361-e0f3-4586-a0d4-cdb410b8d014/bin/ukojak-verify-0OAaufAVZV/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)