./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.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_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/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_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/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_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/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 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:22:10,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:22:10,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:22:10,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:22:10,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:22:10,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:22:10,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:22:10,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:22:10,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:22:10,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:22:10,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:22:10,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:22:10,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:22:10,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:22:10,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:22:10,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:22:10,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:22:10,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:22:10,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:22:10,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:22:10,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:22:10,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:22:10,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:22:10,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:22:10,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:22:10,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:22:10,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:10,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:22:10,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:22:10,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:22:10,675 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:22:10,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:22:10,675 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_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/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 -> 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 [2024-11-13 21:22:11,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:22:11,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:22:11,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:22:11,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:22:11,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:22:11,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c Unable to find full path for "g++" [2024-11-13 21:22:13,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:22:13,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:22:13,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2024-11-13 21:22:13,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/data/224fe6ce7/222ab7bda341416bb57cecd87fd30f40/FLAGfa2bb51d1 [2024-11-13 21:22:13,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/data/224fe6ce7/222ab7bda341416bb57cecd87fd30f40 [2024-11-13 21:22:13,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:22:13,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:22:13,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:13,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:22:13,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:22:13,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:13" (1/1) ... [2024-11-13 21:22:13,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67340523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:13, skipping insertion in model container [2024-11-13 21:22:13,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:13" (1/1) ... [2024-11-13 21:22:13,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:22:13,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:13,970 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:22:13,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:14,008 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:22:14,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14 WrapperNode [2024-11-13 21:22:14,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:14,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:14,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:22:14,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:22:14,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,049 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-11-13 21:22:14,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:14,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:22:14,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:22:14,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:22:14,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:22:14,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:22:14,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:22:14,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:22:14,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:14,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:22:14,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:22:14,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:22:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:22:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:22:14,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:22:14,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:22:14,397 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 21:22:14,397 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:22:14,441 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:22:14,442 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:22:14,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:14 BoogieIcfgContainer [2024-11-13 21:22:14,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:22:14,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:22:14,447 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:22:14,459 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:22:14,460 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:14" (1/1) ... [2024-11-13 21:22:14,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:22:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-13 21:22:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-13 21:22:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:22:14,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:14,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:14,699 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 21:22:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:22:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:22:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:22:14,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:14,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:14,862 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 21:22:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:22:15,017 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:22:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:22:15,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:15,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:15,114 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 21:22:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:22:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:22:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:22:15,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:15,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:15,521 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 21:22:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 21:22:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 21:22:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:22:15,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:15,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:15,916 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 21:22:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-13 21:22:16,520 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-13 21:22:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:22:16,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:16,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:16,603 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 21:22:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2024-11-13 21:22:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2024-11-13 21:22:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:22:17,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:17,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:22:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-11-13 21:22:17,876 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-13 21:22:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:22:17,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:22:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-11-13 21:22:18,094 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-13 21:22:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:22:18,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:18,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:22:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2024-11-13 21:22:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-13 21:22:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:22:18,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:22:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-13 21:22:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-13 21:22:18,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:22:18,715 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-13 21:22:18,726 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-13 21:22:18,806 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-13 21:22:18,806 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:22:18,806 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-13 21:22:18,807 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 21:22:18,807 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~z~0#1|)) [2024-11-13 21:22:18,807 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:22:18,807 INFO L77 FloydHoareUtils]: At program point L23(lines 23 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~z~0#1|)) [2024-11-13 21:22:18,808 INFO L77 FloydHoareUtils]: At program point L21(lines 21 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~z~0#1|)) [2024-11-13 21:22:18,808 INFO L77 FloydHoareUtils]: At program point L23-2(lines 20 30) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:22:18,808 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:22:18,808 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-13 21:22:18,808 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-13 21:22:18,808 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 21:22:18,808 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:22:18,809 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:22:18,809 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:22:18,809 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-13 21:22:18,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:22:18 ImpRootNode [2024-11-13 21:22:18,823 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:22:18,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:22:18,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:22:18,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:22:18,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:14" (3/4) ... [2024-11-13 21:22:18,828 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:22:18,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 21:22:18,840 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:22:18,840 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:22:18,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:22:18,940 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:22:18,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:22:18,944 INFO L158 Benchmark]: Toolchain (without parser) took 5239.76ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 82.1MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-13 21:22:18,945 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:18,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.65ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:22:18,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 890.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:18,946 INFO L158 Benchmark]: Boogie Preprocessor took 27.63ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 918.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:18,946 INFO L158 Benchmark]: RCFGBuilder took 367.03ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 70.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:22:18,946 INFO L158 Benchmark]: CodeCheck took 4375.76ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 86.6MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:18,947 INFO L158 Benchmark]: Witness Printer took 117.09ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 82.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:22:18,949 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 380 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 302 mSDsluCounter, 730 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 580 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 594 IncrementalHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 150 mSDtfsCounter, 594 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 760 GetRequests, 648 SyntacticMatches, 28 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2990 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((z <= 2147483647) && (x <= 2147483647)) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.65ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 890.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.63ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 918.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.03ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 70.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4375.76ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 86.6MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.09ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 82.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:22:18,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c4b3f1d-97ca-4f1b-a5b0-2b3860702b2e/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