./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm --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 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:36:22,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:36:22,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:36:22,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:36:22,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:36:22,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:36:22,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:36:22,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:36:22,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:36:22,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:36:22,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:36:22,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:36:22,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:36:22,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:36:22,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:36:22,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:36:22,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:36:22,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:36:22,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:36:22,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:36:22,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:36:22,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:36:22,549 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:36:22,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:36:22,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:36:22,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:36:22,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:36:22,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:36:22,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:36:22,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:36:22,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:36:22,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:36:22,551 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_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm 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 -> 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c [2024-11-13 21:36:22,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:36:22,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:36:22,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:36:22,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:36:22,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:36:22,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted/Copenhagen.c Unable to find full path for "g++" [2024-11-13 21:36:24,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:36:25,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:36:25,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/sv-benchmarks/c/termination-crafted/Copenhagen.c [2024-11-13 21:36:25,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/data/bb026db1f/eaece51f7e1c4417a15f6462984eabfd/FLAGab9343fbd [2024-11-13 21:36:25,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/data/bb026db1f/eaece51f7e1c4417a15f6462984eabfd [2024-11-13 21:36:25,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:36:25,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:36:25,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:36:25,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:36:25,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:36:25,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4652b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25, skipping insertion in model container [2024-11-13 21:36:25,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,479 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:36:25,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:36:25,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:36:25,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:36:25,656 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:36:25,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25 WrapperNode [2024-11-13 21:36:25,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:36:25,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:36:25,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:36:25,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:36:25,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,688 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-13 21:36:25,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:36:25,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:36:25,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:36:25,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:36:25,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:36:25,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:36:25,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:36:25,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:36:25,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:25,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:36:25,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:36:25,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:36:25,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:36:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:36:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:36:25,841 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:36:25,843 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:36:25,949 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 21:36:25,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:36:25,989 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:36:25,990 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:36:25,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:36:25 BoogieIcfgContainer [2024-11-13 21:36:25,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:36:25,994 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:36:25,994 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:36:26,005 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:36:26,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:36:25" (1/1) ... [2024-11-13 21:36:26,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:36:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 21:36:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 21:36:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:36:26,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:26,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:36:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-13 21:36:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-13 21:36:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:36:26,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:26,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:36:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 21:36:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 21:36:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:36:26,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:36:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-13 21:36:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-13 21:36:26,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:36:26,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:26,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:36:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 21:36:27,307 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 21:36:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:36:27,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:27,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:36:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 21:36:27,717 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 21:36:27,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:36:27,718 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 21:36:27,726 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:36:27,768 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2024-11-13 21:36:27,768 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:36:27,768 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-13 21:36:27,769 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~oldx~0#1|) (<= |ULTIMATE.start_main_~oldx~0#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-13 21:36:27,769 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~oldx~0#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-13 21:36:27,769 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:36:27,769 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2024-11-13 21:36:27,769 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-13 21:36:27,769 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~oldx~0#1|) (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~oldx~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:36:27,770 INFO L77 FloydHoareUtils]: At program point L18-1(line 18) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~oldx~0#1|) (<= |ULTIMATE.start_main_~oldx~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:36:27,770 INFO L77 FloydHoareUtils]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:36:27,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:36:27 ImpRootNode [2024-11-13 21:36:27,785 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:36:27,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:36:27,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:36:27,786 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:36:27,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:36:25" (3/4) ... [2024-11-13 21:36:27,789 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:36:27,797 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 21:36:27,797 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:36:27,798 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:36:27,887 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:36:27,887 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:36:27,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:36:27,890 INFO L158 Benchmark]: Toolchain (without parser) took 2428.60ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 57.5MB in the end (delta: 35.5MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-11-13 21:36:27,891 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:36:27,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.27ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:36:27,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.00ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 876.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:36:27,892 INFO L158 Benchmark]: Boogie Preprocessor took 23.52ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 557.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:36:27,892 INFO L158 Benchmark]: RCFGBuilder took 279.11ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 72.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:36:27,892 INFO L158 Benchmark]: CodeCheck took 1791.12ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 61.5MB in the end (delta: 10.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-13 21:36:27,893 INFO L158 Benchmark]: Witness Printer took 101.78ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 57.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:36:27,895 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 10 mSDtfsCounter, 215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 182 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 0/5 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 - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 16]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.27ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.00ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.2MB in the end (delta: 876.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.52ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 557.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.11ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 72.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1791.12ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 61.5MB in the end (delta: 10.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 101.78ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 57.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:36:27,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af66382-8cb0-4a0a-b4d2-50e29249e63f/bin/ukojak-verify-EEHR8qb7sm/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