./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/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_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:31:06,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:31:06,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:31:06,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:31:06,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:31:06,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:31:06,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:31:06,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:31:06,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:31:06,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:31:06,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:31:06,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:31:06,964 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:31:06,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:31:06,965 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:31:06,965 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:31:06,965 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:31:06,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:31:06,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:31:06,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:31:06,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:31:06,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:31:06,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:31:06,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:31:06,966 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_00ebdbff-588c-4876-b14a-34a62fb8ce37/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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 [2024-12-06 03:31:07,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:31:07,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:31:07,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:31:07,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:31:07,267 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:31:07,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2024-12-06 03:31:10,146 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/data/22d795b6b/b165c1b2f73b448695780887eca3f072/FLAG949f755a6 [2024-12-06 03:31:10,439 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:31:10,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2024-12-06 03:31:10,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/data/22d795b6b/b165c1b2f73b448695780887eca3f072/FLAG949f755a6 [2024-12-06 03:31:10,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/data/22d795b6b/b165c1b2f73b448695780887eca3f072 [2024-12-06 03:31:10,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:31:10,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:31:10,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:31:10,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:31:10,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:31:10,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:10,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88c4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10, skipping insertion in model container [2024-12-06 03:31:10,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:10,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:31:10,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2024-12-06 03:31:10,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:31:10,838 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:31:10,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2024-12-06 03:31:10,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:31:10,955 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:31:10,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10 WrapperNode [2024-12-06 03:31:10,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:31:10,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:31:10,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:31:10,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:31:10,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:10,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,038 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 03:31:11,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:31:11,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:31:11,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:31:11,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:31:11,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:31:11,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:31:11,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:31:11,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:31:11,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:10" (1/1) ... [2024-12-06 03:31:11,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:31:11,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:31:11,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:31:11,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:31:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:31:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:31:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:31:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:31:11,217 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:31:11,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:31:12,420 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 03:31:12,420 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:31:14,920 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:31:14,921 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:31:14,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:14 BoogieIcfgContainer [2024-12-06 03:31:14,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:31:14,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:31:14,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:31:14,930 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:31:14,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:14" (1/1) ... [2024-12-06 03:31:14,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:31:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 03:31:14,983 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 03:31:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:31:14,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 03:31:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 03:31:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:31:15,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:15,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 03:31:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 03:31:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:31:25,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:25,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-12-06 03:31:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-12-06 03:31:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:31:43,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2024-12-06 03:31:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2024-12-06 03:31:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:31:57,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:32:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-12-06 03:32:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 03:32:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:32:09,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:09,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:32:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:32:19,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-12-06 03:32:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-12-06 03:32:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:32:19,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:19,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:32:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:32:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2024-12-06 03:32:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2024-12-06 03:32:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:32:28,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:28,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:32:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:32:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-12-06 03:32:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-12-06 03:32:47,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:32:47,168 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-06 03:32:47,174 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:32:47,481 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< 0 (+ 9 ~a1~0)) (not (= ~a10~0 0))) .cse0 .cse1) (and .cse0 (not (= 7 ~a19~0)) .cse1))) [2024-12-06 03:32:47,481 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 03:32:47,481 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:32:47,482 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:32:47,482 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< 0 (+ 9 ~a1~0)) (not (= ~a10~0 0))) .cse0 .cse1) (and .cse0 (not (= 7 ~a19~0)) .cse1))) [2024-12-06 03:32:47,482 INFO L77 FloydHoareUtils]: At program point L97-1(lines 30 584) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 0))) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= ~a1~0 11) .cse0 .cse1 .cse2) (let ((.cse3 (not (= 7 ~a19~0)))) (and (or .cse3 .cse2) .cse0 .cse1 (or (not (= ~a10~0 2)) .cse3))) (and (or (< 218 ~a1~0) .cse2) .cse0 .cse1 (<= 23 ~a1~0)))) [2024-12-06 03:32:47,482 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 101) no Hoare annotation was computed. [2024-12-06 03:32:47,482 INFO L77 FloydHoareUtils]: At program point L100-1(lines 30 584) the Hoare annotation is: (and (or (< 218 ~a1~0) (not (= 7 ~a19~0)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 03:32:47,482 INFO L75 FloydHoareUtils]: For program point L101(line 101) no Hoare annotation was computed. [2024-12-06 03:32:47,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:32:47 ImpRootNode [2024-12-06 03:32:47,491 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:32:47,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:32:47,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:32:47,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:32:47,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:14" (3/4) ... [2024-12-06 03:32:47,493 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:32:47,505 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-12-06 03:32:47,506 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 03:32:47,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:32:47,508 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:32:47,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:32:47,599 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:32:47,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:32:47,600 INFO L158 Benchmark]: Toolchain (without parser) took 97124.59ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 91.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-12-06 03:32:47,600 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:32:47,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.14ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 64.3MB in the end (delta: 27.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:32:47,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.21ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 56.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:32:47,601 INFO L158 Benchmark]: Boogie Preprocessor took 64.86ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:32:47,601 INFO L158 Benchmark]: RCFGBuilder took 3816.56ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 52.1MB in the beginning and 183.3MB in the end (delta: -131.2MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. [2024-12-06 03:32:47,602 INFO L158 Benchmark]: CodeCheck took 92568.74ms. Allocated memory was 293.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 183.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:32:47,602 INFO L158 Benchmark]: Witness Printer took 107.75ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:32:47,604 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 92.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 257 mSDsluCounter, 296 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 709 IncrementalHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 120 mSDtfsCounter, 709 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1031 GetRequests, 895 SyntacticMatches, 58 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2883 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 88.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 22/122 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: 101]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((0 < ((long long) 9 + a1)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && (7 != a19)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((218 < a1) || (7 != a19)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.14ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 64.3MB in the end (delta: 27.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.21ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 56.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.86ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3816.56ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 52.1MB in the beginning and 183.3MB in the end (delta: -131.2MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. * CodeCheck took 92568.74ms. Allocated memory was 293.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 183.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 107.75ms. Allocated memory is still 1.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:32:47,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ebdbff-588c-4876-b14a-34a62fb8ce37/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