./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/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_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f7a7969fc6cc20e98c11cb81158885b6cad7da26c6b558e299f4dcaf9719967a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:14:52,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:14:52,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:14:52,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:14:52,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:14:52,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:14:52,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:14:52,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:14:52,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:14:52,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:14:52,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:14:52,724 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:14:52,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:14:52,725 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:14:52,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:14:52,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:14:52,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:14:52,725 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:14:52,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:14:52,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:14:52,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:14:52,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:14:52,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:14:52,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:14:52,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:14:52,726 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_a1656326-58dc-4fcf-9988-154dd9637bfd/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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a7969fc6cc20e98c11cb81158885b6cad7da26c6b558e299f4dcaf9719967a [2024-12-06 06:14:52,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:14:52,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:14:52,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:14:52,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:14:52,935 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:14:52,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2024-12-06 06:14:55,654 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/data/7fdf030e4/16de444feb704b60954995584d36f735/FLAG5660064c3 [2024-12-06 06:14:55,859 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:14:55,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2024-12-06 06:14:55,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/data/7fdf030e4/16de444feb704b60954995584d36f735/FLAG5660064c3 [2024-12-06 06:14:56,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/data/7fdf030e4/16de444feb704b60954995584d36f735 [2024-12-06 06:14:56,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:14:56,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:14:56,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:14:56,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:14:56,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:14:56,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4045e51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56, skipping insertion in model container [2024-12-06 06:14:56,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:14:56,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:14:56,335 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:14:56,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:14:56,357 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:14:56,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56 WrapperNode [2024-12-06 06:14:56,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:14:56,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:14:56,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:14:56,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:14:56,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,382 INFO L138 Inliner]: procedures = 6, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-12-06 06:14:56,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:14:56,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:14:56,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:14:56,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:14:56,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:14:56,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:14:56,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:14:56,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:14:56,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:14:56,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:14:56,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:14:56,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:14:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure le [2024-12-06 06:14:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2024-12-06 06:14:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:14:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:14:56,489 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:14:56,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:14:56,588 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 06:14:56,588 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:14:56,603 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:14:56,603 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:14:56,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:14:56 BoogieIcfgContainer [2024-12-06 06:14:56,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:14:56,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:14:56,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:14:56,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:14:56,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:14:56" (1/1) ... [2024-12-06 06:14:56,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:14:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-12-06 06:14:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-12-06 06:14:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:14:56,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:56,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:56,815 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 06:14:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 06:14:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 06:14:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:14:56,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:56,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:56,935 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 06:14:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2024-12-06 06:14:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-12-06 06:14:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:14:57,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:57,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:57,120 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 06:14:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 31 transitions. [2024-12-06 06:14:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 06:14:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:14:57,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:57,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:57,397 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 06:14:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:57,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 40 transitions. [2024-12-06 06:14:57,912 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-12-06 06:14:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:14:57,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:57,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 47 transitions. [2024-12-06 06:14:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2024-12-06 06:14:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:14:58,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:58,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:14:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 20 transitions. [2024-12-06 06:14:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 06:14:58,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:14:58,373 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 06:14:58,381 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 06:14:58,426 INFO L77 FloydHoareUtils]: At program point leFINAL(lines 41 47) the Hoare annotation is: true [2024-12-06 06:14:58,426 INFO L77 FloydHoareUtils]: At program point leEXIT(lines 41 47) the Hoare annotation is: true [2024-12-06 06:14:58,426 INFO L75 FloydHoareUtils]: For program point leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2024-12-06 06:14:58,426 INFO L75 FloydHoareUtils]: For program point leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2024-12-06 06:14:58,426 INFO L75 FloydHoareUtils]: For program point leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2024-12-06 06:14:58,427 INFO L75 FloydHoareUtils]: For program point leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2024-12-06 06:14:58,427 INFO L77 FloydHoareUtils]: At program point L43(line 43) the Hoare annotation is: (and (<= le_~y 2147483647) (<= le_~x 2147483647) (<= 1 le_~y) (<= 1 le_~x)) [2024-12-06 06:14:58,427 INFO L77 FloydHoareUtils]: At program point L42(lines 42 46) the Hoare annotation is: (and (<= le_~y 2147483647) (<= le_~x 2147483647)) [2024-12-06 06:14:58,427 INFO L77 FloydHoareUtils]: At program point L43-1(line 43) the Hoare annotation is: (and (<= le_~y 2147483647) (<= le_~x 2147483647) (<= 1 le_~y)) [2024-12-06 06:14:58,427 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 41 47) the Hoare annotation is: (and (<= |le_#in~y| 2147483647) (<= |le_#in~x| 2147483647)) [2024-12-06 06:14:58,427 INFO L77 FloydHoareUtils]: At program point L43-2(line 43) the Hoare annotation is: (and (<= le_~y 2147483647) (<= le_~x 2147483647) (<= 1 le_~y)) [2024-12-06 06:14:58,427 INFO L77 FloydHoareUtils]: At program point L43-3(line 43) the Hoare annotation is: (and (<= le_~y 2147483647) (<= le_~x 2147483647)) [2024-12-06 06:14:58,427 INFO L77 FloydHoareUtils]: At program point L43-4(line 43) the Hoare annotation is: (and (<= le_~y 2147483647) (<= le_~x 2147483647)) [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point L43-5(line 43) the Hoare annotation is: true [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: true [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point L26(lines 26 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point L23(lines 23 24) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point L21(lines 21 31) the Hoare annotation is: true [2024-12-06 06:14:58,428 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:14:58,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:14:58 ImpRootNode [2024-12-06 06:14:58,450 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:14:58,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:14:58,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:14:58,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:14:58,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:14:56" (3/4) ... [2024-12-06 06:14:58,453 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:14:58,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2024-12-06 06:14:58,460 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 06:14:58,460 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 06:14:58,460 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 06:14:58,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:14:58,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:14:58,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:14:58,523 INFO L158 Benchmark]: Toolchain (without parser) took 2301.47ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 63.6MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-12-06 06:14:58,523 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:14:58,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.96ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:14:58,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.93ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:14:58,524 INFO L158 Benchmark]: Boogie Preprocessor took 13.52ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.7MB in the end (delta: 602.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:14:58,524 INFO L158 Benchmark]: RCFGBuilder took 206.76ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 70.8MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:14:58,525 INFO L158 Benchmark]: CodeCheck took 1845.22ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:14:58,525 INFO L158 Benchmark]: Witness Printer took 71.96ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 63.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:14:58,527 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 2 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 403 IncrementalHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 112 mSDtfsCounter, 403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 451 SyntacticMatches, 26 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1166 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 10/10 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 41]: Procedure Contract for le Derived contract for procedure le. Requires: ((y <= 2147483647) && (x <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.96ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.93ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.52ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.7MB in the end (delta: 602.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 206.76ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 70.8MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1845.22ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.96ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 63.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:14:58,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1656326-58dc-4fcf-9988-154dd9637bfd/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