./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label03.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_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/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_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/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_2deddc45-01f8-49c9-ab76-7c9e909503b3/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 17c92e2f7b920672487a7c33b9216e5136ad737688964579812bc0c782959b18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:19:10,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:19:10,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:19:10,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:19:10,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:19:10,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:19:10,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:19:10,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:19:10,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:19:10,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:19:10,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:19:10,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:19:10,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:19:10,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:19:10,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:19:10,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:19:10,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:19:10,954 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:19:10,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:19:10,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:10,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:19:10,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:19:10,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:19:10,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:19:10,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:19:10,954 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_2deddc45-01f8-49c9-ab76-7c9e909503b3/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 -> 17c92e2f7b920672487a7c33b9216e5136ad737688964579812bc0c782959b18 [2024-12-06 06:19:11,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:19:11,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:19:11,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:19:11,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:19:11,209 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:19:11,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2024-12-06 06:19:13,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/data/fe453f935/1ab6d200a3a24afdb71211519bad0066/FLAGff1c226a1 [2024-12-06 06:19:14,153 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:19:14,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2024-12-06 06:19:14,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/data/fe453f935/1ab6d200a3a24afdb71211519bad0066/FLAGff1c226a1 [2024-12-06 06:19:14,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/data/fe453f935/1ab6d200a3a24afdb71211519bad0066 [2024-12-06 06:19:14,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:19:14,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:19:14,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:14,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:19:14,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:19:14,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:14,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e67ec46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14, skipping insertion in model container [2024-12-06 06:19:14,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:14,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:19:14,611 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_2deddc45-01f8-49c9-ab76-7c9e909503b3/sv-benchmarks/c/eca-rers2012/Problem11_label03.c[4398,4411] [2024-12-06 06:19:14,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:14,808 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:19:14,828 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_2deddc45-01f8-49c9-ab76-7c9e909503b3/sv-benchmarks/c/eca-rers2012/Problem11_label03.c[4398,4411] [2024-12-06 06:19:14,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:19:14,953 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:19:14,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14 WrapperNode [2024-12-06 06:19:14,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:19:14,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:14,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:19:14,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:19:14,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:14,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,057 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-12-06 06:19:15,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:19:15,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:19:15,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:19:15,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:19:15,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,130 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:19:15,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:19:15,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:19:15,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:19:15,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:19:14" (1/1) ... [2024-12-06 06:19:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:19:15,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:19:15,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:19:15,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:19:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:19:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:19:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:19:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:19:15,294 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:19:15,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:19:16,733 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-12-06 06:19:16,733 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:19:21,062 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:19:21,062 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 06:19:21,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:21 BoogieIcfgContainer [2024-12-06 06:19:21,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:19:21,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:19:21,063 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:19:21,069 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:19:21,069 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:21" (1/1) ... [2024-12-06 06:19:21,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:19:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 06:19:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 06:19:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:19:21,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:21,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:21,320 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 06:19:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:19:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 06:19:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 06:19:21,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:19:21,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:19:21,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:19:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:19:49,934 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 06:20:00,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:20:00,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:00,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 06:20:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 06:20:00,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:20:00,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:00,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:21:14,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:21:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-12-06 06:21:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 06:21:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:21:15,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:22:37,092 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 06:22:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:22:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2024-12-06 06:22:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2024-12-06 06:22:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:22:38,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:22:38,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:22:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:25:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 98 transitions. [2024-12-06 06:25:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 98 transitions. [2024-12-06 06:25:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:25:50,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:50,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:26:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 06:26:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:26:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 107 transitions. [2024-12-06 06:26:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 107 transitions. [2024-12-06 06:26:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 06:26:37,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:26:37,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:26:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:31:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:31:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:31:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 60 states and 131 transitions. [2024-12-06 06:31:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2024-12-06 06:31:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 06:31:19,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:31:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:31:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:32:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 06:32:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:32:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 134 transitions. [2024-12-06 06:32:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2024-12-06 06:32:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 06:32:12,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:32:12,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:32:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:33:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 06:33:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:33:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 48 states and 110 transitions. [2024-12-06 06:33:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 110 transitions. [2024-12-06 06:33:06,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:33:06,335 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-12-06 06:33:06,342 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 06:33:07,058 INFO L77 FloydHoareUtils]: At program point L102-1(lines 32 1036) the Hoare annotation is: (not (let ((.cse1 (= ~a3~0 1)) (.cse0 (= ~a4~0 1)) (.cse2 (= ~a8~0 15))) (and (not (and .cse0 (<= 312 ~a23~0) (<= ~a29~0 130))) (not (and (or (not (= ~a25~0 13)) (< 140 ~a29~0) (< 0 (+ ~a23~0 43))) .cse1 .cse2)) (not (and .cse1 (not .cse0) .cse2))))) [2024-12-06 06:33:07,058 INFO L77 FloydHoareUtils]: At program point L105-1(lines 32 1036) the Hoare annotation is: (not (let ((.cse1 (= ~a3~0 1)) (.cse0 (= ~a4~0 1)) (.cse2 (= ~a8~0 15))) (and (not (and .cse0 (<= 312 ~a23~0) (<= ~a29~0 130))) (not (and (or (not (= ~a25~0 13)) (< 140 ~a29~0) (< 0 (+ ~a23~0 43))) .cse1 .cse2)) (not (and .cse1 (not .cse0) .cse2))))) [2024-12-06 06:33:07,059 INFO L75 FloydHoareUtils]: For program point L106(line 106) no Hoare annotation was computed. [2024-12-06 06:33:07,059 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-12-06 06:33:07,059 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (not (let ((.cse1 (= ~a3~0 1)) (.cse0 (= ~a4~0 1)) (.cse2 (= ~a8~0 15))) (and (not (and .cse0 (<= 312 ~a23~0) (<= ~a29~0 130))) (not (and (or (not (= ~a25~0 13)) (< 140 ~a29~0) (< 0 (+ ~a23~0 43))) .cse1 .cse2)) (not (and .cse1 (not .cse0) .cse2))))) [2024-12-06 06:33:07,059 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:33:07,059 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (not (let ((.cse1 (= ~a3~0 1)) (.cse0 (= ~a4~0 1)) (.cse2 (= ~a8~0 15))) (and (not (and .cse0 (<= 312 ~a23~0) (<= ~a29~0 130))) (not (and (or (not (= ~a25~0 13)) (< 140 ~a29~0) (< 0 (+ ~a23~0 43))) .cse1 .cse2)) (not (and .cse1 (not .cse0) .cse2))))) [2024-12-06 06:33:07,059 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2024-12-06 06:33:07,060 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:33:07,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:33:07 ImpRootNode [2024-12-06 06:33:07,071 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:33:07,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:33:07,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:33:07,072 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:33:07,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:19:21" (3/4) ... [2024-12-06 06:33:07,074 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:33:07,092 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 271 nodes and edges [2024-12-06 06:33:07,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 06:33:07,095 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 06:33:07,095 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 06:33:07,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:33:07,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:33:07,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:33:07,199 INFO L158 Benchmark]: Toolchain (without parser) took 832767.60ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 113.8MB in the beginning and 699.3MB in the end (delta: -585.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 06:33:07,199 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:33:07,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.45ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 71.4MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 06:33:07,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.57ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 54.5MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:33:07,200 INFO L158 Benchmark]: Boogie Preprocessor took 116.87ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 98.3MB in the end (delta: -43.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-12-06 06:33:07,201 INFO L158 Benchmark]: RCFGBuilder took 5887.36ms. Allocated memory was 142.6MB in the beginning and 855.6MB in the end (delta: 713.0MB). Free memory was 98.3MB in the beginning and 462.4MB in the end (delta: -364.0MB). Peak memory consumption was 575.5MB. Max. memory is 16.1GB. [2024-12-06 06:33:07,201 INFO L158 Benchmark]: CodeCheck took 826007.84ms. Allocated memory was 855.6MB in the beginning and 2.0GB in the end (delta: 1.1GB). Free memory was 462.4MB in the beginning and 716.4MB in the end (delta: -254.0MB). Peak memory consumption was 890.9MB. Max. memory is 16.1GB. [2024-12-06 06:33:07,201 INFO L158 Benchmark]: Witness Printer took 126.91ms. Allocated memory is still 2.0GB. Free memory was 716.4MB in the beginning and 699.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:33:07,203 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: 825.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 585 SdHoareTripleChecker+Valid, 106.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 513 mSDsluCounter, 507 SdHoareTripleChecker+Invalid, 106.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 314 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1680 IncrementalHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 193 mSDtfsCounter, 1680 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1531 GetRequests, 1325 SyntacticMatches, 62 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11584 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 799.6s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 2334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 62/173 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: 106]: 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: 1044]: Loop Invariant Derived loop invariant: !((!(((a4 == 1) && (312 <= a23)) && (a29 <= 130)) && !(((((a25 != 13) || (140 < a29)) || (0 < ((long long) a23 + 43))) && (a3 == 1)) && (a8 == 15))) && !(((a3 == 1) && (a4 != 1)) && (a8 == 15))) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: !((!(((a4 == 1) && (312 <= a23)) && (a29 <= 130)) && !(((((a25 != 13) || (140 < a29)) || (0 < ((long long) a23 + 43))) && (a3 == 1)) && (a8 == 15))) && !(((a3 == 1) && (a4 != 1)) && (a8 == 15))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.45ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 71.4MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.57ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 54.5MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.87ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 98.3MB in the end (delta: -43.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5887.36ms. Allocated memory was 142.6MB in the beginning and 855.6MB in the end (delta: 713.0MB). Free memory was 98.3MB in the beginning and 462.4MB in the end (delta: -364.0MB). Peak memory consumption was 575.5MB. Max. memory is 16.1GB. * CodeCheck took 826007.84ms. Allocated memory was 855.6MB in the beginning and 2.0GB in the end (delta: 1.1GB). Free memory was 462.4MB in the beginning and 716.4MB in the end (delta: -254.0MB). Peak memory consumption was 890.9MB. Max. memory is 16.1GB. * Witness Printer took 126.91ms. Allocated memory is still 2.0GB. Free memory was 716.4MB in the beginning and 699.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:33:07,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2deddc45-01f8-49c9-ab76-7c9e909503b3/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