./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.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_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/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_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/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_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/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 27dab8f9dd6de13395a492c9fbbcffd97b1fd9082fe91b0943ef2aaae430e414 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:14:08,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:14:08,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:14:08,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:14:08,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:14:08,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:14:08,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:14:08,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:14:08,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:14:08,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:14:08,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:14:08,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:14:08,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:14:08,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:14:08,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:14:08,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:14:08,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:14:08,661 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:14:08,661 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:14:08,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:14:08,662 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:14:08,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:14:08,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:14:08,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:14:08,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:14:08,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:14:08,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:08,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:14:08,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:14:08,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:14:08,663 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:14:08,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:14:08,663 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_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/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 -> 27dab8f9dd6de13395a492c9fbbcffd97b1fd9082fe91b0943ef2aaae430e414 [2024-11-25 05:14:09,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:14:09,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:14:09,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:14:09,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:14:09,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:14:09,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2024-11-25 05:14:11,991 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/data/7922e0014/fa42d3337d644af1984913a4570b27eb/FLAGa1b599668 [2024-11-25 05:14:12,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:14:12,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2024-11-25 05:14:12,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/data/7922e0014/fa42d3337d644af1984913a4570b27eb/FLAGa1b599668 [2024-11-25 05:14:12,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/data/7922e0014/fa42d3337d644af1984913a4570b27eb [2024-11-25 05:14:12,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:14:12,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:14:12,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:12,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:14:12,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:14:12,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ade02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12, skipping insertion in model container [2024-11-25 05:14:12,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:14:12,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:12,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:14:12,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:12,496 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:14:12,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12 WrapperNode [2024-11-25 05:14:12,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:12,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:12,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:14:12,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:14:12,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,529 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-25 05:14:12,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:12,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:14:12,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:14:12,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:14:12,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:14:12,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:14:12,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:14:12,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:14:12,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:12,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:14:12,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:14:12,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:14:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:14:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:14:12,708 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:14:12,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:14:12,817 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-25 05:14:12,817 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:14:12,845 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:14:12,845 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:14:12,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:12 BoogieIcfgContainer [2024-11-25 05:14:12,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:14:12,846 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:14:12,847 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:14:12,858 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:14:12,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:12" (1/1) ... [2024-11-25 05:14:12,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:14:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 05:14:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 05:14:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:14:12,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:12,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:13,108 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 05:14:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-25 05:14:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-25 05:14:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:14:13,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:13,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:13,276 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 05:14:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-25 05:14:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-25 05:14:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:14:13,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:13,423 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 05:14:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-11-25 05:14:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-25 05:14:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:14:13,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:13,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:13,488 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 05:14:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-25 05:14:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-25 05:14:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:14:13,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:13,556 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 05:14:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-11-25 05:14:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-25 05:14:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:14:13,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:13,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:13,825 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 05:14:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2024-11-25 05:14:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-25 05:14:14,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:14:14,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:14,156 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 05:14:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-25 05:14:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-25 05:14:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:14:14,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:14,245 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 05:14:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2024-11-25 05:14:14,281 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-25 05:14:14,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:14:14,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:14,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:14:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-25 05:14:14,418 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-25 05:14:14,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:14:14,419 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-25 05:14:14,429 INFO L726 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2024-11-25 05:14:14,585 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2024-11-25 05:14:14,585 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 05:14:14,585 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-25 05:14:14,585 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2024-11-25 05:14:14,585 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-25 05:14:14,586 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2024-11-25 05:14:14,586 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-25 05:14:14,586 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2024-11-25 05:14:14,586 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-25 05:14:14,586 INFO L77 FloydHoareUtils]: At program point L33(lines 33 37) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 05:14:14,586 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:14:14,586 INFO L77 FloydHoareUtils]: At program point L33-2(lines 33 37) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483646) [2024-11-25 05:14:14,586 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-25 05:14:14,586 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2024-11-25 05:14:14,587 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2024-11-25 05:14:14,587 INFO L77 FloydHoareUtils]: At program point L25(lines 25 39) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 05:14:14,587 INFO L77 FloydHoareUtils]: At program point L25-2(lines 24 40) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-25 05:14:14,587 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:14:14,587 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 05:14:14,587 INFO L77 FloydHoareUtils]: At program point L34-1(line 34) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-25 05:14:14,587 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2024-11-25 05:14:14,587 INFO L77 FloydHoareUtils]: At program point L26(lines 26 30) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 05:14:14,588 INFO L77 FloydHoareUtils]: At program point L26-2(lines 26 30) the Hoare annotation is: true [2024-11-25 05:14:14,588 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2024-11-25 05:14:14,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:14:14 ImpRootNode [2024-11-25 05:14:14,600 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:14:14,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:14:14,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:14:14,602 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:14:14,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:12" (3/4) ... [2024-11-25 05:14:14,606 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:14:14,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 05:14:14,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 05:14:14,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 05:14:14,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:14:14,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:14:14,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:14:14,703 INFO L158 Benchmark]: Toolchain (without parser) took 2422.76ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 53.9MB in the end (delta: 39.0MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-11-25 05:14:14,703 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:14,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.01ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:14:14,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.64ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:14,704 INFO L158 Benchmark]: Boogie Preprocessor took 28.53ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.0MB in the end (delta: 568.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:14,704 INFO L158 Benchmark]: RCFGBuilder took 285.51ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 70.4MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:14:14,704 INFO L158 Benchmark]: CodeCheck took 1753.55ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 58.2MB in the end (delta: 12.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-25 05:14:14,704 INFO L158 Benchmark]: Witness Printer took 98.86ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 53.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:14,706 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, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 241 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 161 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 596 IncrementalHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 70 mSDtfsCounter, 596 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 477 GetRequests, 431 SyntacticMatches, 16 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 5/5 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (x <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.01ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.64ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.53ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.0MB in the end (delta: 568.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.51ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 70.4MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1753.55ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 58.2MB in the end (delta: 12.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 98.86ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 53.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:14:14,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05d72fcd-0b6b-4aae-8aa9-20c04bde7b64/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE