./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.07.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_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/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_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/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_055b46cb-b67e-4bb8-bfa3-a424478714a9/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 662326001f61b68297375e4138420a74e8c43c9b4c5124522e447d091a284d35 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:06:43,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:43,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:06:43,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:06:43,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:06:43,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:43,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:43,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:43,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:43,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:43,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:06:43,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:43,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:43,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:43,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:43,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:43,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:43,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:43,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:43,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:43,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:43,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:43,584 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:06:43,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:06:43,584 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_055b46cb-b67e-4bb8-bfa3-a424478714a9/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 -> 662326001f61b68297375e4138420a74e8c43c9b4c5124522e447d091a284d35 [2024-12-06 06:06:43,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:43,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:43,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:43,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:43,805 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:43,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/a.07.c [2024-12-06 06:06:46,474 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/data/b37ae1574/26d6ae697e76459f85dcea5eb439ce9f/FLAG7cf2f40b7 [2024-12-06 06:06:46,640 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:46,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/sv-benchmarks/c/termination-restricted-15/a.07.c [2024-12-06 06:06:46,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/data/b37ae1574/26d6ae697e76459f85dcea5eb439ce9f/FLAG7cf2f40b7 [2024-12-06 06:06:47,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/data/b37ae1574/26d6ae697e76459f85dcea5eb439ce9f [2024-12-06 06:06:47,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:47,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:47,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:47,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:47,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:47,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786ed3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47, skipping insertion in model container [2024-12-06 06:06:47,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:47,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:47,147 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:47,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:47,171 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:47,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47 WrapperNode [2024-12-06 06:06:47,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:47,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:47,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:47,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:47,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,196 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-12-06 06:06:47,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:47,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:47,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:47,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:47,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:47,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:47,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:47,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:47,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:47,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:47,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:47,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:47,336 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:47,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:47,405 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:47,405 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:47,429 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:47,429 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:06:47,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:47 BoogieIcfgContainer [2024-12-06 06:06:47,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:47,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:47,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:47,440 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:47,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:47" (1/1) ... [2024-12-06 06:06:47,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 06:06:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 06:06:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:06:47,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:47,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:47,601 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 06:06:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 06:06:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 06:06:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:06:47,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:47,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:47,694 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 06:06:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-06 06:06:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-06 06:06:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:06:47,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:47,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:47,895 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 06:06:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-12-06 06:06:48,178 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-12-06 06:06:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:06:48,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:48,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:48,228 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 06:06:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 06:06:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 06:06:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:06:48,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:48,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 06:06:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 06:06:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:06:48,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 06:06:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-06 06:06:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-06 06:06:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:06:49,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-12-06 06:06:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-12-06 06:06:49,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:06:49,295 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 06:06:49,303 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 06:06:49,341 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-06 06:06:49,341 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:06:49,341 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 06:06:49,342 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= |ULTIMATE.start_main_~z~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 06:06:49,342 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:06:49,342 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-06 06:06:49,342 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 06:06:49,342 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~z~0#1| 2147483646)) [2024-12-06 06:06:49,342 INFO L77 FloydHoareUtils]: At program point L14-1(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~z~0#1| 2147483646)) [2024-12-06 06:06:49,342 INFO L77 FloydHoareUtils]: At program point L12-1(lines 12 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= |ULTIMATE.start_main_~z~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 06:06:49,342 INFO L77 FloydHoareUtils]: At program point L12-3(lines 12 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 06:06:49,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:06:49 ImpRootNode [2024-12-06 06:06:49,353 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:06:49,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:06:49,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:06:49,354 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:06:49,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:47" (3/4) ... [2024-12-06 06:06:49,357 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:06:49,362 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 06:06:49,362 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 06:06:49,362 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 06:06:49,431 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:06:49,432 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:06:49,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:06:49,433 INFO L158 Benchmark]: Toolchain (without parser) took 2404.75ms. Allocated memory is still 142.6MB. Free memory was 120.5MB in the beginning and 96.0MB in the end (delta: 24.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-12-06 06:06:49,433 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:49,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.16ms. Allocated memory is still 142.6MB. Free memory was 120.3MB in the beginning and 110.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:49,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.79ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 109.3MB in the end (delta: 972.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:49,434 INFO L158 Benchmark]: Boogie Preprocessor took 14.52ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.7MB in the end (delta: 553.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:49,434 INFO L158 Benchmark]: RCFGBuilder took 218.13ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 98.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:49,435 INFO L158 Benchmark]: CodeCheck took 1922.40ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 100.4MB in the end (delta: -1.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-06 06:06:49,435 INFO L158 Benchmark]: Witness Printer took 78.10ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 96.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:49,436 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: 1.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 0 mSDtfsCounter, 472 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 308 SyntacticMatches, 17 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1732 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 7/9 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (((0 <= (z + 2147483648)) && (x <= 2147483647)) && (0 <= (y + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.16ms. Allocated memory is still 142.6MB. Free memory was 120.3MB in the beginning and 110.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.79ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 109.3MB in the end (delta: 972.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.52ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.7MB in the end (delta: 553.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 218.13ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 98.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1922.40ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 100.4MB in the end (delta: -1.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 78.10ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 96.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:06:49,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055b46cb-b67e-4bb8-bfa3-a424478714a9/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