./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex07.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk --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 e1ac7230c5e382093d26c98e7b6016147f69412c389a30284fe416f8f9568f8d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:25:11,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:25:11,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:25:11,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:25:11,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:25:11,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:25:11,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:25:11,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:25:11,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:25:11,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:25:11,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:25:11,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:25:11,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:25:11,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:25:11,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:25:11,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:25:11,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:25:11,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:25:11,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:25:11,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:25:11,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:25:11,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:25:11,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:25:11,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:25:11,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:25:11,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:25:11,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:11,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:25:11,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:25:11,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:25:11,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:25:11,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:25:11,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ac7230c5e382093d26c98e7b6016147f69412c389a30284fe416f8f9568f8d [2024-11-08 19:25:11,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:25:11,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:25:11,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:25:11,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:25:11,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:25:11,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-restricted-15/Ex07.c Unable to find full path for "g++" [2024-11-08 19:25:14,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:25:14,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:25:14,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/sv-benchmarks/c/termination-restricted-15/Ex07.c [2024-11-08 19:25:14,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/data/d5f5b8198/6a75f2761160449ca514e7d43081cdf7/FLAGdf39597cc [2024-11-08 19:25:15,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/data/d5f5b8198/6a75f2761160449ca514e7d43081cdf7 [2024-11-08 19:25:15,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:25:15,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:25:15,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:15,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:25:15,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:25:15,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101a8b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15, skipping insertion in model container [2024-11-08 19:25:15,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:25:15,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:15,481 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:25:15,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:15,523 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:25:15,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15 WrapperNode [2024-11-08 19:25:15,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:15,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:15,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:25:15,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:25:15,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,561 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-08 19:25:15,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:15,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:25:15,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:25:15,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:25:15,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:25:15,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:25:15,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:25:15,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:25:15,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:15,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:15,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:25:15,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:25:15,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:25:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:25:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:25:15,792 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:25:15,795 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:25:15,937 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:25:15,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:25:15,972 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:25:15,974 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:25:15,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:15 BoogieIcfgContainer [2024-11-08 19:25:15,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:25:15,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:25:15,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:25:15,992 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:25:15,992 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:15" (1/1) ... [2024-11-08 19:25:16,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 19:25:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 19:25:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:25:16,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 19:25:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 19:25:16,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:25:16,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-08 19:25:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-08 19:25:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:25:16,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:16,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 19:25:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 19:25:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:25:16,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-08 19:25:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-08 19:25:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:25:16,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:16,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:17,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 19:25:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 19:25:17,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:25:17,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:17,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 19:25:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 19:25:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:25:17,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:17,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-08 19:25:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-08 19:25:17,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:25:17,470 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-08 19:25:17,483 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 19:25:17,587 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-08 19:25:17,588 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 19:25:17,588 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-11-08 19:25:17,589 INFO L77 FloydHoareUtils]: At program point L13-1(lines 9 16) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-08 19:25:17,589 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) [2024-11-08 19:25:17,590 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) [2024-11-08 19:25:17,590 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:25:17,590 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-08 19:25:17,591 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-11-08 19:25:17,592 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (< |ULTIMATE.start_main_~i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-08 19:25:17,593 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: (and (< |ULTIMATE.start_main_~i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-08 19:25:17,594 INFO L77 FloydHoareUtils]: At program point L10(lines 10 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-08 19:25:17,594 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 16) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646)) (and (< |ULTIMATE.start_main_~i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)))) [2024-11-08 19:25:17,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:25:17 ImpRootNode [2024-11-08 19:25:17,616 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:25:17,617 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:25:17,617 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:25:17,618 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:25:17,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:15" (3/4) ... [2024-11-08 19:25:17,622 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:25:17,632 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 19:25:17,632 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 19:25:17,632 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 19:25:17,765 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:25:17,766 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:25:17,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:25:17,768 INFO L158 Benchmark]: Toolchain (without parser) took 2640.12ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 106.2MB in the end (delta: 26.6MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-08 19:25:17,769 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:25:17,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.50ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 121.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:25:17,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.82ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 119.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:25:17,770 INFO L158 Benchmark]: Boogie Preprocessor took 32.12ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:25:17,771 INFO L158 Benchmark]: RCFGBuilder took 380.49ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 109.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:25:17,772 INFO L158 Benchmark]: CodeCheck took 1639.50ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 110.4MB in the end (delta: -1.1MB). Peak memory consumption was 455.3kB. Max. memory is 16.1GB. [2024-11-08 19:25:17,772 INFO L158 Benchmark]: Witness Printer took 150.13ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 106.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:25:17,779 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 344 IncrementalHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 47 mSDtfsCounter, 344 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 333 SyntacticMatches, 19 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ((i <= 2147483647) && (0 <= (i + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.50ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 121.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.82ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 119.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.12ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.49ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 109.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1639.50ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 110.4MB in the end (delta: -1.1MB). Peak memory consumption was 455.3kB. Max. memory is 16.1GB. * Witness Printer took 150.13ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 106.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:25:17,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791f1d40-e305-459c-b843-7aba2d822d2d/bin/ukojak-verify-ImItNfHLgk/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