./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nest-if3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nest-if3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm --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 ff6ed2162f27809b742c891ab6e2d783f8472921e0d39d2ecd3fd1d3f6661283 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:52:39,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:52:39,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:52:39,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:52:39,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:52:39,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:52:39,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:52:39,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:52:39,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:52:39,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:52:39,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:52:39,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:52:39,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:52:39,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:52:39,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:52:39,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:52:39,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:52:39,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:52:39,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:52:39,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:52:39,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:52:39,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:52:39,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:52:39,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:52:39,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:52:39,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:52:39,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:52:39,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:52:39,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:52:39,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:52:39,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:52:39,925 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:52:39,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:52:39,925 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_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm 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 -> ff6ed2162f27809b742c891ab6e2d783f8472921e0d39d2ecd3fd1d3f6661283 [2024-11-13 22:52:40,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:52:40,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:52:40,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:52:40,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:52:40,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:52:40,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invgen/nest-if3.i Unable to find full path for "g++" [2024-11-13 22:52:42,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:52:42,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:52:42,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/sv-benchmarks/c/loop-invgen/nest-if3.i [2024-11-13 22:52:42,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/data/bcd3cb954/db7bc3d9022a46d2978c9dde8ab9fc12/FLAGf99b58fb6 [2024-11-13 22:52:42,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/data/bcd3cb954/db7bc3d9022a46d2978c9dde8ab9fc12 [2024-11-13 22:52:42,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:52:42,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:52:42,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:52:42,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:52:42,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:52:42,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e831484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42, skipping insertion in model container [2024-11-13 22:52:42,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:52:42,728 WARN L250 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_c304c7c0-b94a-4669-9cae-f1d7732b3dec/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2024-11-13 22:52:42,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:52:42,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:52:42,768 WARN L250 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_c304c7c0-b94a-4669-9cae-f1d7732b3dec/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2024-11-13 22:52:42,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:52:42,787 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:52:42,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42 WrapperNode [2024-11-13 22:52:42,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:52:42,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:52:42,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:52:42,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:52:42,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,821 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2024-11-13 22:52:42,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:52:42,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:52:42,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:52:42,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:52:42,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:52:42,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:52:42,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:52:42,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:52:42,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:42" (1/1) ... [2024-11-13 22:52:42,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:52:42,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:52:42,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:52:42,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:52:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:52:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:52:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:52:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:52:42,979 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:52:42,981 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:52:43,131 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 22:52:43,131 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:52:43,198 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:52:43,199 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:52:43,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:43 BoogieIcfgContainer [2024-11-13 22:52:43,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:52:43,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:52:43,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:52:43,212 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:52:43,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:43" (1/1) ... [2024-11-13 22:52:43,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:52:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-13 22:52:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-13 22:52:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:52:43,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2024-11-13 22:52:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2024-11-13 22:52:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:52:43,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:43,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2024-11-13 22:52:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2024-11-13 22:52:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:52:44,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:44,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2024-11-13 22:52:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2024-11-13 22:52:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:52:44,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 20 states and 41 transitions. [2024-11-13 22:52:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 41 transitions. [2024-11-13 22:52:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:52:45,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:45,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 24 states and 52 transitions. [2024-11-13 22:52:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 52 transitions. [2024-11-13 22:52:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:52:46,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:46,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:52:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 26 states and 57 transitions. [2024-11-13 22:52:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 57 transitions. [2024-11-13 22:52:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:52:47,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:52:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 28 states and 62 transitions. [2024-11-13 22:52:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 62 transitions. [2024-11-13 22:52:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:52:48,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:48,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:52:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 31 states and 73 transitions. [2024-11-13 22:52:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 73 transitions. [2024-11-13 22:52:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:52:49,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:52:50,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:50,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 32 states and 77 transitions. [2024-11-13 22:52:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 77 transitions. [2024-11-13 22:52:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:52:50,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:50,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:52:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 37 states and 90 transitions. [2024-11-13 22:52:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 90 transitions. [2024-11-13 22:52:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:52:52,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:52,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:52:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 22:52:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 28 states and 64 transitions. [2024-11-13 22:52:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 64 transitions. [2024-11-13 22:52:52,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:52:52,502 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-13 22:52:52,510 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:52:53,153 INFO L77 FloydHoareUtils]: At program point L31-2(lines 31 37) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~l~0#1| 1) (<= (+ |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~l~0#1|) (+ |ULTIMATE.start_main_~n~0#1| 1)))) [2024-11-13 22:52:53,153 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-13 22:52:53,154 INFO L77 FloydHoareUtils]: At program point L32-2(lines 32 34) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~l~0#1|)) (.cse1 (<= 1 |ULTIMATE.start_main_~i~0#1|))) (or (and (< (+ |ULTIMATE.start_main_~n~0#1| 1) .cse0) .cse1) (and .cse1 (not (and (= |ULTIMATE.start_main_~k~0#1| 1) (<= |ULTIMATE.start_main_~i~0#1| (+ |ULTIMATE.start_main_~l~0#1| 1)))) (< |ULTIMATE.start_main_~n~0#1| .cse0)) (and .cse1 (<= 1 |ULTIMATE.start_main_~l~0#1|)))) [2024-11-13 22:52:53,154 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 22:52:53,154 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-13 22:52:53,154 INFO L77 FloydHoareUtils]: At program point L24(lines 24 38) the Hoare annotation is: true [2024-11-13 22:52:53,154 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:52:53,154 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~l~0#1|) [2024-11-13 22:52:53,154 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:52:53,155 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~l~0#1|) [2024-11-13 22:52:53,155 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)))) (or (and .cse0 .cse1 (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~l~0#1|))) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~l~0#1|)))) [2024-11-13 22:52:53,156 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~l~0#1|)) (and .cse0 (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~l~0#1|))))) [2024-11-13 22:52:53,171 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-13 22:52:53,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~l~0 [2024-11-13 22:52:53,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-13 22:52:53,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~n~0 [2024-11-13 22:52:53,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~k~0 [2024-11-13 22:52:53,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~l~0 [2024-11-13 22:52:53,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:52:53 ImpRootNode [2024-11-13 22:52:53,179 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:52:53,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:52:53,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:52:53,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:52:53,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:43" (3/4) ... [2024-11-13 22:52:53,183 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:52:53,188 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 22:52:53,189 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:52:53,189 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:52:53,189 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:52:53,263 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:52:53,264 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:52:53,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:52:53,269 INFO L158 Benchmark]: Toolchain (without parser) took 10720.43ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 83.8MB in the beginning and 103.3MB in the end (delta: -19.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-13 22:52:53,269 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:53,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.51ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 72.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:52:53,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.37ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 71.4MB in the end (delta: 973.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:53,270 INFO L158 Benchmark]: Boogie Preprocessor took 23.54ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 70.5MB in the end (delta: 841.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:53,271 INFO L158 Benchmark]: RCFGBuilder took 352.99ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 59.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:52:53,271 INFO L158 Benchmark]: CodeCheck took 9977.91ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 59.6MB in the beginning and 107.1MB in the end (delta: -47.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:53,272 INFO L158 Benchmark]: Witness Printer took 84.98ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 103.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:52:53,275 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 338 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 417 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1748 IncrementalHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 417 mSolverCounterUnsat, 77 mSDtfsCounter, 1748 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1729 GetRequests, 1543 SyntacticMatches, 52 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7006 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 47/100 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: 19]: 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: 32]: Loop Invariant Derived loop invariant: ((((((long long) n + 1) < ((long long) k + l)) && (1 <= i)) || (((1 <= i) && !((k == 1) && (i <= ((long long) l + 1)))) && (n < ((long long) k + l)))) || ((1 <= i) && (1 <= l))) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: !((l < 1) && (((long long) k + l) <= ((long long) n + 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.51ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 72.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.37ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 71.4MB in the end (delta: 973.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.54ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 70.5MB in the end (delta: 841.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.99ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 59.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9977.91ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 59.6MB in the beginning and 107.1MB in the end (delta: -47.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.98ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 103.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~l~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~k~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~l~0 RESULT: Ultimate proved your program to be correct! [2024-11-13 22:52:53,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c304c7c0-b94a-4669-9cae-f1d7732b3dec/bin/ukojak-verify-EEHR8qb7sm/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