./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Piecewise.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_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Piecewise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:04:56,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:04:56,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:04:56,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:04:56,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:04:56,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:04:56,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:04:56,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:04:56,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:04:56,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:04:56,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:04:56,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:04:56,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:04:56,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:04:56,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:04:56,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:04:56,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:04:56,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:04:56,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:04:56,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:04:56,859 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:04:56,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:04:56,859 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_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593 [2024-12-06 03:04:57,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:04:57,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:04:57,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:04:57,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:04:57,086 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:04:57,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted/Piecewise.c [2024-12-06 03:04:59,686 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/data/f72220967/338cbfd044f34dec95d2d568c822f6f6/FLAGd51f7ad39 [2024-12-06 03:04:59,883 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:04:59,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/sv-benchmarks/c/termination-crafted/Piecewise.c [2024-12-06 03:04:59,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/data/f72220967/338cbfd044f34dec95d2d568c822f6f6/FLAGd51f7ad39 [2024-12-06 03:05:00,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/data/f72220967/338cbfd044f34dec95d2d568c822f6f6 [2024-12-06 03:05:00,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:05:00,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:05:00,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:05:00,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:05:00,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:05:00,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5684fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00, skipping insertion in model container [2024-12-06 03:05:00,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:05:00,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:05:00,384 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:05:00,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:05:00,402 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:05:00,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00 WrapperNode [2024-12-06 03:05:00,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:05:00,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:05:00,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:05:00,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:05:00,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,421 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-12-06 03:05:00,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:05:00,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:05:00,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:05:00,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:05:00,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:05:00,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:05:00,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:05:00,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:05:00,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:05:00,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:05:00,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:05:00,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:05:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:05:00,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:05:00,543 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:05:00,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:05:00,608 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 03:05:00,608 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:05:00,626 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:05:00,626 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:05:00,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:00 BoogieIcfgContainer [2024-12-06 03:05:00,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:05:00,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:05:00,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:05:00,634 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:05:00,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:00" (1/1) ... [2024-12-06 03:05:00,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:05:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 03:05:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 03:05:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:05:00,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:05:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 03:05:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 03:05:00,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:05:00,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:00,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:05:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-06 03:05:00,987 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 03:05:00,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:05:00,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:00,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:05:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 03:05:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 03:05:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:05:01,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:01,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:05:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 03:05:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 03:05:01,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:05:01,440 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-06 03:05:01,448 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 03:05:01,475 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-12-06 03:05:01,475 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:05:01,475 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-12-06 03:05:01,476 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647)) [2024-12-06 03:05:01,476 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (<= |ULTIMATE.start_main_~p~0#1| 2147483647) [2024-12-06 03:05:01,476 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:05:01,476 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-12-06 03:05:01,476 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-12-06 03:05:01,476 INFO L77 FloydHoareUtils]: At program point L26(lines 26 29) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647)) [2024-12-06 03:05:01,476 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~q~0#1|) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-12-06 03:05:01,477 INFO L77 FloydHoareUtils]: At program point L26-2(lines 22 30) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-12-06 03:05:01,477 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (<= |ULTIMATE.start_main_~q~0#1| 2147483647) [2024-12-06 03:05:01,477 INFO L77 FloydHoareUtils]: At program point L22-1(lines 22 30) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= 1 |ULTIMATE.start_main_~q~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-12-06 03:05:01,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:05:01 ImpRootNode [2024-12-06 03:05:01,488 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:05:01,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:05:01,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:05:01,489 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:05:01,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:00" (3/4) ... [2024-12-06 03:05:01,492 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:05:01,496 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 03:05:01,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:05:01,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 03:05:01,570 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:05:01,570 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:05:01,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:05:01,571 INFO L158 Benchmark]: Toolchain (without parser) took 1303.11ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 111.7MB in the end (delta: 5.6MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-12-06 03:05:01,572 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:05:01,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 133.14ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:05:01,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.69ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 818.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:05:01,572 INFO L158 Benchmark]: Boogie Preprocessor took 13.55ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 832.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:05:01,573 INFO L158 Benchmark]: RCFGBuilder took 190.37ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 95.0MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:05:01,573 INFO L158 Benchmark]: CodeCheck took 860.95ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 54.0MB in the end (delta: 41.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:05:01,573 INFO L158 Benchmark]: Witness Printer took 82.22ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 111.7MB in the end (delta: -57.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-12-06 03:05:01,575 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: 0.8s, OverallIterations: 5, 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, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 16 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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: 27]: 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: 22]: Loop Invariant Derived loop invariant: ((p <= 2147483647) && (q <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 133.14ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.69ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 818.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.55ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 832.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 190.37ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 95.0MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 860.95ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 54.0MB in the end (delta: 41.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 82.22ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 111.7MB in the end (delta: -57.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:05:01,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6b58613-72cb-4638-881e-e69cf5902c8e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE