./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:39,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:39,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:39,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:39,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:40,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:40,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:40,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:40,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:40,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:40,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:40,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:40,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:40,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:40,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:40,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:40,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:40,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:40,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:40,019 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:40,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:40,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:40,026 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:40,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:40,027 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:40,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:40,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:40,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:40,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:40,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:40,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:40,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:40,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:40,032 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_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 [2023-11-19 03:57:40,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:40,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:40,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:40,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:40,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:40,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2023-11-19 03:57:44,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:44,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:44,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2023-11-19 03:57:44,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/data/051947efc/fc1cd949ec024fd48e8e108277c4954c/FLAGb86255336 [2023-11-19 03:57:44,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/data/051947efc/fc1cd949ec024fd48e8e108277c4954c [2023-11-19 03:57:44,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:44,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:44,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:44,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:44,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:44,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:44" (1/1) ... [2023-11-19 03:57:44,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2644c9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:44, skipping insertion in model container [2023-11-19 03:57:44,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:44" (1/1) ... [2023-11-19 03:57:44,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:45,141 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2023-11-19 03:57:45,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:45,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:45,189 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2023-11-19 03:57:45,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:45,214 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:45,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45 WrapperNode [2023-11-19 03:57:45,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:45,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:45,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:45,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:45,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,265 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-19 03:57:45,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:45,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:45,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:45,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:45,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:45,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:45,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:45,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:45,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:45,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:45,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:45,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:45,458 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:45,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:45,634 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:45,666 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:45,666 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:57:45,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:45 BoogieIcfgContainer [2023-11-19 03:57:45,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:45,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:45,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:45,689 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:45,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:45" (1/1) ... [2023-11-19 03:57:45,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-19 03:57:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-19 03:57:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:57:45,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:45,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2023-11-19 03:57:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2023-11-19 03:57:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:57:46,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:46,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-19 03:57:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-19 03:57:46,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:57:46,688 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-19 03:57:46,698 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:57:46,758 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:57:46,762 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:57:46,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:57:46 ImpRootNode [2023-11-19 03:57:46,766 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:57:46,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:57:46,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:57:46,767 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:57:46,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:45" (3/4) ... [2023-11-19 03:57:46,770 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:57:46,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 03:57:46,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:57:46,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:57:46,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:57:46,867 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:57:46,868 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:57:46,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:57:46,869 INFO L158 Benchmark]: Toolchain (without parser) took 2045.95ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 98.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-11-19 03:57:46,870 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:46,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.71ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 92.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:57:46,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.24ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:46,882 INFO L158 Benchmark]: Boogie Preprocessor took 26.77ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 89.9MB in the end (delta: 608.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:46,883 INFO L158 Benchmark]: RCFGBuilder took 378.20ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 79.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:57:46,884 INFO L158 Benchmark]: CodeCheck took 1091.65ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 102.3MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:46,884 INFO L158 Benchmark]: Witness Printer took 101.63ms. Allocated memory is still 146.8MB. Free memory was 102.3MB in the beginning and 98.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:57:46,887 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 10 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 16]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((x <= 100) && (y <= 100)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.71ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 92.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.24ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.77ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 89.9MB in the end (delta: 608.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 378.20ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 79.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1091.65ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 102.3MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.63ms. Allocated memory is still 146.8MB. Free memory was 102.3MB in the beginning and 98.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:57:46,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8facbe-4410-40ff-a231-b322d918af54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE