./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.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_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3 --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 f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:15:33,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:15:33,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:15:33,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:15:33,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:15:33,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:15:33,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:15:33,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:15:33,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:15:33,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:15:33,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:15:33,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:15:33,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:15:33,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:15:33,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:15:33,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:15:33,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:15:33,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:15:33,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:15:33,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:15:33,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:15:33,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:15:33,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:15:33,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:15:33,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:15:33,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:15:33,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:33,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:15:33,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:15:33,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:15:33,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:15:33,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:15:33,774 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_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3 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 -> f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e [2024-11-25 02:15:34,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:15:34,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:15:34,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:15:34,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:15:34,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:15:34,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2024-11-25 02:15:37,206 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/data/907ae719f/14383f0e068f41edabd244ce6b799ca7/FLAG24327f059 [2024-11-25 02:15:37,457 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:15:37,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2024-11-25 02:15:37,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/data/907ae719f/14383f0e068f41edabd244ce6b799ca7/FLAG24327f059 [2024-11-25 02:15:37,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/data/907ae719f/14383f0e068f41edabd244ce6b799ca7 [2024-11-25 02:15:37,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:15:37,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:15:37,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:37,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:15:37,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:15:37,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:37,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b7320d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37, skipping insertion in model container [2024-11-25 02:15:37,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:37,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:15:37,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:37,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:15:37,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:37,979 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:15:37,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37 WrapperNode [2024-11-25 02:15:37,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:37,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:37,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:15:37,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:15:37,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:37,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,012 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-25 02:15:38,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:38,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:15:38,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:15:38,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:15:38,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:15:38,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:15:38,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:15:38,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:15:38,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:37" (1/1) ... [2024-11-25 02:15:38,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:38,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:15:38,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:15:38,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:15:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:15:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:15:38,191 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:15:38,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:15:38,309 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 02:15:38,310 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:15:38,339 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:15:38,340 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:15:38,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:38 BoogieIcfgContainer [2024-11-25 02:15:38,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:15:38,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:15:38,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:15:38,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:15:38,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:38" (1/1) ... [2024-11-25 02:15:38,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:15:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 02:15:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 02:15:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:15:38,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:15:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:15:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:15:38,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:38,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-25 02:15:38,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 02:15:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:15:38,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:38,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-25 02:15:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-25 02:15:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:15:38,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:38,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-25 02:15:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-25 02:15:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:15:39,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:39,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-25 02:15:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-25 02:15:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:15:39,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 02:15:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2024-11-25 02:15:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2024-11-25 02:15:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:15:40,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:40,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:15:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-11-25 02:15:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-11-25 02:15:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:15:41,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 02:15:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 02:15:41,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:15:41,511 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 02:15:41,526 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 02:15:41,648 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 02:15:41,648 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:15:41,648 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-25 02:15:41,649 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ (* 2 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1| 2147483646)) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647)) [2024-11-25 02:15:41,649 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:15:41,649 INFO L77 FloydHoareUtils]: At program point L9(lines 9 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-25 02:15:41,649 INFO L77 FloydHoareUtils]: At program point L9-1(lines 9 13) the Hoare annotation is: true [2024-11-25 02:15:41,649 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 02:15:41,649 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-25 02:15:41,650 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 02:15:41,650 INFO L77 FloydHoareUtils]: At program point L10-2(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 02:15:41,650 INFO L77 FloydHoareUtils]: At program point L10-3(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 02:15:41,650 INFO L77 FloydHoareUtils]: At program point L10-5(lines 10 12) the Hoare annotation is: (or (not |ULTIMATE.start_main_#t~short2#1|) (and (< (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483648) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= 1 |ULTIMATE.start_main_~x~0#1|))) [2024-11-25 02:15:41,650 INFO L77 FloydHoareUtils]: At program point L10-6(lines 10 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647)) [2024-11-25 02:15:41,651 INFO L77 FloydHoareUtils]: At program point L10-8(lines 10 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 02:15:41,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:15:41 ImpRootNode [2024-11-25 02:15:41,663 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:15:41,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:15:41,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:15:41,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:15:41,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:38" (3/4) ... [2024-11-25 02:15:41,667 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:15:41,674 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 02:15:41,674 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:15:41,674 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:15:41,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:15:41,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:15:41,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:15:41,751 INFO L158 Benchmark]: Toolchain (without parser) took 3968.90ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 34.9MB in the end (delta: 57.8MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-11-25 02:15:41,751 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:15:41,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.45ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:15:41,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.93ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:15:41,752 INFO L158 Benchmark]: Boogie Preprocessor took 22.64ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 659.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:15:41,753 INFO L158 Benchmark]: RCFGBuilder took 303.15ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:15:41,753 INFO L158 Benchmark]: CodeCheck took 3321.15ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 39.7MB in the end (delta: 31.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-25 02:15:41,754 INFO L158 Benchmark]: Witness Printer took 86.77ms. Allocated memory is still 117.4MB. Free memory was 39.0MB in the beginning and 34.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:15:41,755 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 625 IncrementalHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 46 mSDtfsCounter, 625 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 606 GetRequests, 508 SyntacticMatches, 28 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1947 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 7/13 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: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: 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: 11]: 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: 10]: Loop Invariant Derived loop invariant: (((x <= 2147483647) && (0 <= (((long) 2147483647 + x) + y))) && (1 <= x)) * 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 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.45ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.93ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.64ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 659.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.15ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.3MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3321.15ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 39.7MB in the end (delta: 31.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 86.77ms. Allocated memory is still 117.4MB. Free memory was 39.0MB in the beginning and 34.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:15:41,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df62d688-e3a2-4a9a-96b9-b7356d46dace/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE