./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/TwoFloatInterv.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_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/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_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/TwoFloatInterv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/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_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/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 619980f24f1306727466f5c616de82a47a9f9fa9949a068930aef8a7aa603b17 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:08:04,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:08:04,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:08:04,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:08:04,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:08:04,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:08:04,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:08:04,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:08:04,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:08:04,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:08:04,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:08:04,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:08:04,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:08:04,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:08:04,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:08:04,953 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:08:04,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:08:04,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:08:04,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:08:04,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:08:04,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:08:04,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:08:04,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:08:04,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:08:04,954 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_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/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 -> 619980f24f1306727466f5c616de82a47a9f9fa9949a068930aef8a7aa603b17 [2024-12-05 23:08:05,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:08:05,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:08:05,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:08:05,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:08:05,207 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:08:05,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/TwoFloatInterv.c [2024-12-05 23:08:07,961 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/data/047ed486c/4b8e0b174c604c8a88b7349bb28dd1f3/FLAGc2302505a [2024-12-05 23:08:08,143 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:08:08,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/sv-benchmarks/c/termination-restricted-15/TwoFloatInterv.c [2024-12-05 23:08:08,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/data/047ed486c/4b8e0b174c604c8a88b7349bb28dd1f3/FLAGc2302505a [2024-12-05 23:08:08,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/data/047ed486c/4b8e0b174c604c8a88b7349bb28dd1f3 [2024-12-05 23:08:08,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:08:08,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:08:08,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:08:08,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:08:08,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:08:08,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548e7689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08, skipping insertion in model container [2024-12-05 23:08:08,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:08:08,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:08:08,334 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:08:08,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:08:08,363 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:08:08,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08 WrapperNode [2024-12-05 23:08:08,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:08:08,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:08:08,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:08:08,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:08:08,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,392 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-12-05 23:08:08,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:08:08,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:08:08,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:08:08,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:08:08,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,405 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:08:08,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:08:08,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:08:08,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:08:08,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:08:08,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:08:08,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:08:08,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:08:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:08:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:08:08,565 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:08:08,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:08:08,670 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 23:08:08,670 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:08:08,695 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:08:08,695 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:08:08,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:08 BoogieIcfgContainer [2024-12-05 23:08:08,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:08:08,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:08:08,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:08:08,706 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:08:08,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:08" (1/1) ... [2024-12-05 23:08:08,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:08:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-12-05 23:08:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-05 23:08:08,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:08:08,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:08,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 23:08:08,926 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 23:08:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:08:08,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:08,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-05 23:08:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-05 23:08:09,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:08:09,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:09,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-12-05 23:08:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-12-05 23:08:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:08:09,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:09,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:09,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 23:08:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 23:08:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:08:09,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:09,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:09,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-05 23:08:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-05 23:08:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:08:09,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:09,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-12-05 23:08:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-12-05 23:08:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:08:09,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-12-05 23:08:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-05 23:08:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:08:09,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:09,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:09,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 23:08:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 23:08:09,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:08:09,867 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-05 23:08:09,875 INFO L726 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-12-05 23:08:09,921 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-05 23:08:09,921 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:08:09,921 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-05 23:08:09,921 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-12-05 23:08:09,922 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 40) (<= 30 |ULTIMATE.start_main_~i~0#1|)) [2024-12-05 23:08:09,922 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 40) [2024-12-05 23:08:09,922 INFO L77 FloydHoareUtils]: At program point L13-1(lines 9 20) the Hoare annotation is: true [2024-12-05 23:08:09,922 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (< |ULTIMATE.start_main_~i~0#1| 20) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2024-12-05 23:08:09,922 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 20) [2024-12-05 23:08:09,922 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:08:09,922 INFO L77 FloydHoareUtils]: At program point L9-1(lines 9 20) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 49)) [2024-12-05 23:08:09,922 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-05 23:08:09,922 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-05 23:08:09,923 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-12-05 23:08:09,923 INFO L77 FloydHoareUtils]: At program point L16-1(lines 9 20) the Hoare annotation is: true [2024-12-05 23:08:09,923 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 49)) [2024-12-05 23:08:09,923 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 49) [2024-12-05 23:08:09,923 INFO L77 FloydHoareUtils]: At program point L10-1(lines 9 20) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 49) [2024-12-05 23:08:09,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:08:09 ImpRootNode [2024-12-05 23:08:09,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:08:09,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:08:09,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:08:09,931 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:08:09,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:08" (3/4) ... [2024-12-05 23:08:09,933 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:08:09,938 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 23:08:09,938 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 23:08:09,938 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 23:08:10,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:08:10,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:08:10,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:08:10,012 INFO L158 Benchmark]: Toolchain (without parser) took 1847.48ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 103.7MB in the end (delta: 14.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-05 23:08:10,012 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:08:10,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.78ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 107.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:08:10,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.53ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.7MB in the end (delta: 962.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:08:10,014 INFO L158 Benchmark]: Boogie Preprocessor took 21.49ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 681.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:08:10,014 INFO L158 Benchmark]: RCFGBuilder took 280.26ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.9MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:08:10,014 INFO L158 Benchmark]: CodeCheck took 1233.91ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 108.4MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:08:10,015 INFO L158 Benchmark]: Witness Printer took 80.54ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 103.7MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:08:10,017 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, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 523 IncrementalHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 131 mSolverCounterUnsat, 36 mSDtfsCounter, 523 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 389 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 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 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.78ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 107.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.53ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.7MB in the end (delta: 962.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.49ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 681.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.26ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.9MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1233.91ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 108.4MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.54ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 103.7MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:08:10,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd677d0f-959b-40d6-9018-94b2a8a3fbbe/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