./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaA10.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_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/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_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaA10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/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_7d8228b6-8a2e-46a2-8481-44499681c6db/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 a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:11,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:11,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:41:11,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:11,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:11,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:11,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:11,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:11,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:11,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:11,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:11,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:11,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:11,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:11,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:11,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:11,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:11,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:41:11,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:41:11,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:11,500 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:11,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:11,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:11,500 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:11,500 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:11,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:11,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:11,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:11,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:11,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:11,501 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:11,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:11,501 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_7d8228b6-8a2e-46a2-8481-44499681c6db/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 -> a22779a8a894423533dbeca4f6e8ce4ed32ee44c52235b9a9f0eb9a867d565b5 [2024-12-05 21:41:11,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:11,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:11,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:11,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:11,716 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:11,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/PastaA10.c [2024-12-05 21:41:14,361 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/data/d4049fa66/49a86b9ff4b94943a8681dfadf10f173/FLAG48f931821 [2024-12-05 21:41:14,533 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:14,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/sv-benchmarks/c/termination-restricted-15/PastaA10.c [2024-12-05 21:41:14,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/data/d4049fa66/49a86b9ff4b94943a8681dfadf10f173/FLAG48f931821 [2024-12-05 21:41:14,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/data/d4049fa66/49a86b9ff4b94943a8681dfadf10f173 [2024-12-05 21:41:14,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:14,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:14,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:14,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:14,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:14,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466dd14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14, skipping insertion in model container [2024-12-05 21:41:14,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:14,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:14,681 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:14,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:14,699 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:14,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14 WrapperNode [2024-12-05 21:41:14,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:14,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:14,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:14,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:14,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,718 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-12-05 21:41:14,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:14,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:14,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:14,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:14,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:14,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:14,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:14,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:14,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:14,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:14,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:14,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:14,844 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:14,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:14,904 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:14,904 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:14,924 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:14,925 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:41:14,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:14 BoogieIcfgContainer [2024-12-05 21:41:14,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:14,926 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:14,926 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:14,933 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:14,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:14" (1/1) ... [2024-12-05 21:41:14,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 21:41:14,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 21:41:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:41:14,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:14,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:15,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 21:41:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 21:41:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:41:15,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:15,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:15,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:15,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-12-05 21:41:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-12-05 21:41:15,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:41:15,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:15,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-05 21:41:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-05 21:41:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:41:15,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:15,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-12-05 21:41:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-12-05 21:41:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:41:16,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:16,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-05 21:41:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-05 21:41:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:41:16,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:16,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:41:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:16,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-12-05 21:41:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-12-05 21:41:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:41:16,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:16,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:41:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-12-05 21:41:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-12-05 21:41:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:41:16,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:16,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 21:41:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 21:41:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:41:16,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-12-05 21:41:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-12-05 21:41:16,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:41:16,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:16,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:16,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:41:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:41:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:41:17,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:41:17,101 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-12-05 21:41:17,108 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 21:41:17,149 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-05 21:41:17,150 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:41:17,150 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-05 21:41:17,150 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 21:41:17,150 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 21:41:17,150 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-05 21:41:17,150 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-05 21:41:17,151 INFO L77 FloydHoareUtils]: At program point L11-1(lines 11 17) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (< |ULTIMATE.start_main_~y~0#1| 2147483648) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-05 21:41:17,151 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:41:17,151 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-05 21:41:17,151 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-05 21:41:17,151 INFO L77 FloydHoareUtils]: At program point L12-1(lines 11 17) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (< |ULTIMATE.start_main_~y~0#1| 2147483648) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-05 21:41:17,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:41:17 ImpRootNode [2024-12-05 21:41:17,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:41:17,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:41:17,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:41:17,164 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:41:17,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:14" (3/4) ... [2024-12-05 21:41:17,167 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:41:17,171 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 21:41:17,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 21:41:17,172 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 21:41:17,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:41:17,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:41:17,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:41:17,239 INFO L158 Benchmark]: Toolchain (without parser) took 2675.86ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 69.4MB in the end (delta: 49.4MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-12-05 21:41:17,239 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:17,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.51ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 108.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:41:17,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.81ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.8MB in the end (delta: 796.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:17,240 INFO L158 Benchmark]: Boogie Preprocessor took 13.86ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.1MB in the end (delta: 737.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:17,240 INFO L158 Benchmark]: RCFGBuilder took 191.72ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 97.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:41:17,240 INFO L158 Benchmark]: CodeCheck took 2237.47ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 73.8MB in the end (delta: 23.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-12-05 21:41:17,241 INFO L158 Benchmark]: Witness Printer took 74.11ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 69.4MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:17,243 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 218 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 251 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 927 IncrementalHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 251 mSolverCounterUnsat, 0 mSDtfsCounter, 927 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 612 GetRequests, 514 SyntacticMatches, 34 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1591 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 12/18 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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: 11]: Loop Invariant Derived loop invariant: ((((x <= 2147483647) && (0 <= (x + 2147483648))) && (y < 2147483648)) && (0 <= (y + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.51ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 108.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.81ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.8MB in the end (delta: 796.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.86ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.1MB in the end (delta: 737.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 191.72ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 97.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2237.47ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 73.8MB in the end (delta: 23.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 74.11ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 69.4MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:41:17,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d8228b6-8a2e-46a2-8481-44499681c6db/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