./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/lu.cmp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/lu.cmp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b --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 9f7b9e2e2452a973cdb1a73a9c368f26d19387c763b2be4ad10c01e7a31f6598 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:04:00,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:04:00,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:04:00,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:04:00,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:04:00,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:04:00,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:04:00,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:04:00,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:04:00,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:04:00,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:04:00,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:04:00,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:04:00,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:04:00,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:04:00,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:04:00,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:04:00,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:04:00,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:04:00,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:04:00,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:04:00,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:04:00,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:04:00,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:04:00,665 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_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b 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 -> 9f7b9e2e2452a973cdb1a73a9c368f26d19387c763b2be4ad10c01e7a31f6598 [2024-12-06 01:04:00,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:04:00,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:04:00,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:04:00,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:04:00,899 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:04:00,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/lu.cmp.c [2024-12-06 01:04:03,582 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/data/a488c5137/ef0cecd44d1843ebac476d6f7872eb33/FLAG47dee388e [2024-12-06 01:04:03,790 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:04:03,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/sv-benchmarks/c/loops/lu.cmp.c [2024-12-06 01:04:03,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/data/a488c5137/ef0cecd44d1843ebac476d6f7872eb33/FLAG47dee388e [2024-12-06 01:04:04,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/data/a488c5137/ef0cecd44d1843ebac476d6f7872eb33 [2024-12-06 01:04:04,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:04:04,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:04:04,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:04:04,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:04:04,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:04:04,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e65c554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04, skipping insertion in model container [2024-12-06 01:04:04,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:04:04,298 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_038e1136-6354-4b5c-889a-753a03d5ad71/sv-benchmarks/c/loops/lu.cmp.c[318,331] [2024-12-06 01:04:04,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:04:04,403 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:04:04,410 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_038e1136-6354-4b5c-889a-753a03d5ad71/sv-benchmarks/c/loops/lu.cmp.c[318,331] [2024-12-06 01:04:04,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:04:04,533 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:04:04,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04 WrapperNode [2024-12-06 01:04:04,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:04:04,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:04:04,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:04:04,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:04:04,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,673 INFO L138 Inliner]: procedures = 18, calls = 2647, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 2800 [2024-12-06 01:04:04,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:04:04,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:04:04,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:04:04,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:04:04,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,752 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:04:04,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:04:04,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:04:04,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:04:04,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:04" (1/1) ... [2024-12-06 01:04:04,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:04:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:04:04,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:04:04,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:04:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:04:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:04:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:04:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-06 01:04:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-06 01:04:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:04:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:04:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-12-06 01:04:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:04:04,899 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:04:04,901 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:04:07,479 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-12-06 01:04:07,479 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:04:07,684 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:04:07,684 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-12-06 01:04:07,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:04:07 BoogieIcfgContainer [2024-12-06 01:04:07,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:04:07,686 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:04:07,686 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:04:07,695 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:04:07,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:04:07" (1/1) ... [2024-12-06 01:04:07,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:04:07,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:07,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2024-12-06 01:04:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2024-12-06 01:04:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:04:07,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:07,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:04:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:04:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-12-06 01:04:08,885 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-12-06 01:04:08,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:04:08,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:08,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:04:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:04:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2024-12-06 01:04:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-12-06 01:04:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:04:10,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:10,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:04:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:04:10,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:10,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2024-12-06 01:04:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2024-12-06 01:04:10,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:04:10,677 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 01:04:10,685 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:04:10,728 INFO L77 FloydHoareUtils]: At program point L93-3(lines 93 104) the Hoare annotation is: (= 5 |ULTIMATE.start_main_~n~0#1|) [2024-12-06 01:04:10,728 INFO L77 FloydHoareUtils]: At program point L118-3(lines 118 136) the Hoare annotation is: true [2024-12-06 01:04:10,728 INFO L77 FloydHoareUtils]: At program point L120(line 120) the Hoare annotation is: true [2024-12-06 01:04:10,728 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:04:10,728 INFO L77 FloydHoareUtils]: At program point L129-3(lines 129 135) the Hoare annotation is: true [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point L96-3(lines 96 101) the Hoare annotation is: (and (= 5 |ULTIMATE.start_main_~n~0#1|) (< |ULTIMATE.start_main_~i~0#1| 50)) [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point L121-3(lines 121 128) the Hoare annotation is: true [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point L146-3(lines 146 152) the Hoare annotation is: true [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point L138-3(lines 138 144) the Hoare annotation is: true [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point L6(lines 6 8) the Hoare annotation is: (and (= 5 |ULTIMATE.start_main_~n~0#1|) (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0))) [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: (= 5 |ULTIMATE.start_main_~n~0#1|) [2024-12-06 01:04:10,729 INFO L75 FloydHoareUtils]: For program point L7(line 7) no Hoare annotation was computed. [2024-12-06 01:04:10,729 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point L132-3(lines 132 133) the Hoare annotation is: true [2024-12-06 01:04:10,729 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:04:10,730 INFO L77 FloydHoareUtils]: At program point L124(lines 124 126) the Hoare annotation is: true [2024-12-06 01:04:10,730 INFO L77 FloydHoareUtils]: At program point L124-1(lines 124 126) the Hoare annotation is: true [2024-12-06 01:04:10,730 INFO L77 FloydHoareUtils]: At program point L149-3(lines 149 150) the Hoare annotation is: true [2024-12-06 01:04:10,730 INFO L77 FloydHoareUtils]: At program point ludcmp_returnLabel#1(lines 111 155) the Hoare annotation is: true [2024-12-06 01:04:10,730 INFO L77 FloydHoareUtils]: At program point L141-3(lines 141 142) the Hoare annotation is: true [2024-12-06 01:04:10,730 INFO L77 FloydHoareUtils]: At program point L125-3(lines 125 126) the Hoare annotation is: true [2024-12-06 01:04:10,730 INFO L77 FloydHoareUtils]: At program point L117(line 117) the Hoare annotation is: true [2024-12-06 01:04:10,738 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~n~0 [2024-12-06 01:04:10,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:04:10 ImpRootNode [2024-12-06 01:04:10,742 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:04:10,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:04:10,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:04:10,743 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:04:10,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:04:07" (3/4) ... [2024-12-06 01:04:10,746 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:04:10,769 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-12-06 01:04:10,772 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 01:04:10,776 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:04:10,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:04:10,945 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:04:10,945 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:04:10,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:04:10,947 INFO L158 Benchmark]: Toolchain (without parser) took 6787.63ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 117.1MB in the beginning and 242.3MB in the end (delta: -125.2MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-12-06 01:04:10,947 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:04:10,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.04ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 73.2MB in the end (delta: 43.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:04:10,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.03ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 103.5MB in the end (delta: -30.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-12-06 01:04:10,948 INFO L158 Benchmark]: Boogie Preprocessor took 113.95ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 87.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:04:10,949 INFO L158 Benchmark]: RCFGBuilder took 2896.60ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 87.7MB in the beginning and 173.8MB in the end (delta: -86.0MB). Peak memory consumption was 172.1MB. Max. memory is 16.1GB. [2024-12-06 01:04:10,949 INFO L158 Benchmark]: CodeCheck took 3056.80ms. Allocated memory was 302.0MB in the beginning and 369.1MB in the end (delta: 67.1MB). Free memory was 173.8MB in the beginning and 272.6MB in the end (delta: -98.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:04:10,949 INFO L158 Benchmark]: Witness Printer took 202.66ms. Allocated memory is still 369.1MB. Free memory was 272.6MB in the beginning and 242.3MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:04:10,952 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 9 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 7]: 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: 93]: Loop Invariant Derived loop invariant: (5 == n) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((5 == n) && (i < 50)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.04ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 73.2MB in the end (delta: 43.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.03ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 103.5MB in the end (delta: -30.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.95ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 87.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2896.60ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 87.7MB in the beginning and 173.8MB in the end (delta: -86.0MB). Peak memory consumption was 172.1MB. Max. memory is 16.1GB. * CodeCheck took 3056.80ms. Allocated memory was 302.0MB in the beginning and 369.1MB in the end (delta: 67.1MB). Free memory was 173.8MB in the beginning and 272.6MB in the end (delta: -98.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 202.66ms. Allocated memory is still 369.1MB. Free memory was 272.6MB in the beginning and 242.3MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~n~0 RESULT: Ultimate proved your program to be correct! [2024-12-06 01:04:10,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038e1136-6354-4b5c-889a-753a03d5ad71/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE