./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.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_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3 --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 d483d112ebc631f1c14642e780c42909cf25d334478fdf38ba7f61b34b8ee811 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:30:07,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:30:07,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:30:07,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:30:07,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:30:07,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:30:07,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:30:07,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:30:07,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:30:07,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:30:07,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:30:07,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:30:07,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:30:07,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:30:07,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:30:07,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:30:07,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:30:07,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:30:07,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:30:07,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:30:07,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:30:07,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:30:07,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:30:07,607 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:30:07,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:30:07,607 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_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3 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 -> d483d112ebc631f1c14642e780c42909cf25d334478fdf38ba7f61b34b8ee811 [2024-11-25 04:30:07,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:30:07,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:30:07,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:30:07,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:30:07,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:30:07,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2024-11-25 04:30:11,035 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/data/52d1218bf/7f639a17da4f402899d21c6e832a102a/FLAG3461b854b [2024-11-25 04:30:11,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:30:11,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2024-11-25 04:30:11,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/data/52d1218bf/7f639a17da4f402899d21c6e832a102a/FLAG3461b854b [2024-11-25 04:30:11,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/data/52d1218bf/7f639a17da4f402899d21c6e832a102a [2024-11-25 04:30:11,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:30:11,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:30:11,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:30:11,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:30:11,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:30:11,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7d6ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11, skipping insertion in model container [2024-11-25 04:30:11,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:30:11,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:30:11,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:30:11,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:30:11,565 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:30:11,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11 WrapperNode [2024-11-25 04:30:11,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:30:11,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:30:11,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:30:11,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:30:11,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,593 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-25 04:30:11,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:30:11,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:30:11,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:30:11,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:30:11,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:30:11,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:30:11,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:30:11,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:30:11,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:30:11,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:30:11,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:30:11,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:30:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:30:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:30:11,748 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:30:11,750 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:30:11,829 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 04:30:11,829 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:30:11,852 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:30:11,852 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:30:11,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:11 BoogieIcfgContainer [2024-11-25 04:30:11,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:30:11,853 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:30:11,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:30:11,865 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:30:11,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:11" (1/1) ... [2024-11-25 04:30:11,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:30:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 04:30:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 04:30:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:30:11,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:11,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-25 04:30:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-25 04:30:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:30:12,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-25 04:30:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-25 04:30:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:30:12,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:12,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-25 04:30:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-25 04:30:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:30:13,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:13,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 04:30:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 04:30:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:30:13,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:30:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:30:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:30:14,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:30:14,064 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 04:30:14,072 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 04:30:14,110 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-25 04:30:14,110 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:30:14,110 INFO L77 FloydHoareUtils]: At program point L19-1(lines 18 24) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~M~0#1| 2147483647)) [2024-11-25 04:30:14,110 INFO L77 FloydHoareUtils]: At program point L17(lines 17 25) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~M~0#1| 2147483647)) [2024-11-25 04:30:14,110 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 25) the Hoare annotation is: true [2024-11-25 04:30:14,110 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:30:14,111 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-25 04:30:14,111 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646) (<= |ULTIMATE.start_main_~M~0#1| 2147483647)) [2024-11-25 04:30:14,111 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646) (<= |ULTIMATE.start_main_~M~0#1| 2147483647)) [2024-11-25 04:30:14,111 INFO L77 FloydHoareUtils]: At program point L18-1(lines 18 24) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (not (= |ULTIMATE.start_main_~M~0#1| |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~M~0#1| 2147483647)) [2024-11-25 04:30:14,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:30:14 ImpRootNode [2024-11-25 04:30:14,128 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:30:14,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:30:14,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:30:14,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:30:14,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:30:11" (3/4) ... [2024-11-25 04:30:14,134 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:30:14,141 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 04:30:14,143 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 04:30:14,143 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 04:30:14,234 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:30:14,234 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:30:14,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:30:14,237 INFO L158 Benchmark]: Toolchain (without parser) took 2871.22ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.5MB in the beginning and 317.2MB in the end (delta: -222.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-25 04:30:14,238 INFO L158 Benchmark]: CDTParser took 1.74ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:30:14,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.23ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:30:14,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.21ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:30:14,239 INFO L158 Benchmark]: Boogie Preprocessor took 15.06ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 83.1MB in the end (delta: 371.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:30:14,239 INFO L158 Benchmark]: RCFGBuilder took 243.05ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 73.8MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:30:14,239 INFO L158 Benchmark]: CodeCheck took 2274.64ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 73.8MB in the beginning and 321.6MB in the end (delta: -247.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:30:14,240 INFO L158 Benchmark]: Witness Printer took 105.30ms. Allocated memory is still 352.3MB. Free memory was 321.6MB in the beginning and 317.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:30:14,244 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 20 mSDtfsCounter, 306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 296 SyntacticMatches, 12 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 5/9 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((0 <= (x + 2147483648)) && (M <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.74ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.23ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 84.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.21ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.06ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 83.1MB in the end (delta: 371.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.05ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 73.8MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 2274.64ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 73.8MB in the beginning and 321.6MB in the end (delta: -247.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 105.30ms. Allocated memory is still 352.3MB. Free memory was 321.6MB in the beginning and 317.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:30:14,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19baff8f-bafe-488b-8968-8fa5f0ee215a/bin/ukojak-verify-ENZ3QT5qd3/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