./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a0671ae6ff503095cbeea151b096da898df643465964474a4f3e3c55275f454c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:29:06,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:29:06,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:29:06,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:29:06,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:29:06,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:29:06,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:29:06,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:29:06,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:29:06,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:29:06,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:29:06,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:29:06,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:29:06,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:29:06,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:29:06,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:29:06,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:29:06,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:29:06,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:29:06,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:29:06,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:29:06,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:29:06,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:29:06,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:29:06,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:29:06,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:29:06,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:06,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:29:06,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:29:06,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:29:06,766 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:29:06,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:29:06,766 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_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0671ae6ff503095cbeea151b096da898df643465964474a4f3e3c55275f454c [2024-11-13 21:29:07,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:29:07,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:29:07,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:29:07,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:29:07,194 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:29:07,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c Unable to find full path for "g++" [2024-11-13 21:29:09,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:29:09,661 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:29:09,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/sv-benchmarks/c/termination-crafted/NonTermination3-2.c [2024-11-13 21:29:09,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/data/b9725bef4/19605ecfedb64bfda8666deeb4a7edb1/FLAG8b9d3ebed [2024-11-13 21:29:09,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/data/b9725bef4/19605ecfedb64bfda8666deeb4a7edb1 [2024-11-13 21:29:09,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:29:09,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:29:09,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:09,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:29:09,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:29:09,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:09,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd81436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09, skipping insertion in model container [2024-11-13 21:29:09,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:09,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:29:09,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:09,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:29:09,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:09,988 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:29:09,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09 WrapperNode [2024-11-13 21:29:09,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:09,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:09,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:29:09,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:29:09,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,030 INFO L138 Inliner]: procedures = 8, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-13 21:29:10,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:10,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:29:10,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:29:10,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:29:10,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:29:10,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:29:10,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:29:10,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:29:10,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:09" (1/1) ... [2024-11-13 21:29:10,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:10,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:29:10,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:29:10,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:29:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:29:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:29:10,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:29:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:29:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:29:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:29:10,234 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:29:10,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:29:10,387 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:29:10,387 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:29:10,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:29:10,446 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:29:10,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:10 BoogieIcfgContainer [2024-11-13 21:29:10,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:29:10,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:29:10,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:29:10,461 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:29:10,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:10" (1/1) ... [2024-11-13 21:29:10,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:29:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-13 21:29:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-13 21:29:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:29:10,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:10,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 21:29:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 21:29:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:29:10,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:10,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:10,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 21:29:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 21:29:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:29:10,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:10,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 21:29:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 21:29:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:29:11,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:11,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:29:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:29:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:29:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:29:11,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:11,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:29:11,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-13 21:29:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-13 21:29:11,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:29:11,808 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 21:29:11,820 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 21:29:11,952 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 21:29:11,953 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:29:11,953 INFO L77 FloydHoareUtils]: At program point L17-3(lines 17 20) the Hoare annotation is: true [2024-11-13 21:29:11,953 INFO L77 FloydHoareUtils]: At program point L17-5(lines 17 20) the Hoare annotation is: true [2024-11-13 21:29:11,953 INFO L77 FloydHoareUtils]: At program point L13-2(line 13) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 9)) (and (< |ULTIMATE.start_main_~n~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))) [2024-11-13 21:29:11,954 INFO L77 FloydHoareUtils]: At program point L17-6(lines 17 20) the Hoare annotation is: true [2024-11-13 21:29:11,954 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_main_~n~0#1|)) (<= |ULTIMATE.start_main_~n~0#1| 9)) [2024-11-13 21:29:11,954 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:29:11,954 INFO L77 FloydHoareUtils]: At program point L13-4(lines 13 15) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)) [2024-11-13 21:29:11,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 21:29:11,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:29:11 ImpRootNode [2024-11-13 21:29:11,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:29:11,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:29:11,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:29:11,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:29:11,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:10" (3/4) ... [2024-11-13 21:29:11,973 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:29:11,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 21:29:11,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:29:11,985 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:29:11,985 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:29:12,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:29:12,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:29:12,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:29:12,092 INFO L158 Benchmark]: Toolchain (without parser) took 2378.24ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 72.1MB in the end (delta: 20.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-13 21:29:12,092 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:12,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.98ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:29:12,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.71ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:12,093 INFO L158 Benchmark]: Boogie Preprocessor took 33.94ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.9MB in the end (delta: 421.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:12,093 INFO L158 Benchmark]: RCFGBuilder took 379.38ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 70.1MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:29:12,094 INFO L158 Benchmark]: CodeCheck took 1520.71ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 76.8MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:12,094 INFO L158 Benchmark]: Witness Printer took 118.55ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 72.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:29:12,097 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (0 <= (n + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.98ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.71ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.94ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.9MB in the end (delta: 421.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 379.38ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 70.1MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1520.71ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 76.8MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 118.55ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 72.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:29:12,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_521f1449-0f82-4e7f-82dc-4b5d2ca19447/bin/ukojak-verify-EEHR8qb7sm/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