./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.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_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/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_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/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_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/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 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:05:11,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:05:11,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:05:11,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:05:11,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:05:11,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:05:11,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:05:11,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:05:11,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:05:11,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:05:11,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:05:11,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:05:11,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:05:11,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:05:11,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:05:11,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:05:11,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:05:11,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:05:11,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:05:11,625 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_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/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 -> 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 [2024-12-06 03:05:11,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:05:11,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:05:11,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:05:11,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:05:11,866 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:05:11,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2024-12-06 03:05:14,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/data/2d37c4f6a/02205041a8d142daadb3679f012c1146/FLAGe86d2281a [2024-12-06 03:05:14,667 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:05:14,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2024-12-06 03:05:14,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/data/2d37c4f6a/02205041a8d142daadb3679f012c1146/FLAGe86d2281a [2024-12-06 03:05:15,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/data/2d37c4f6a/02205041a8d142daadb3679f012c1146 [2024-12-06 03:05:15,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:05:15,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:05:15,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:05:15,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:05:15,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:05:15,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550e8a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15, skipping insertion in model container [2024-12-06 03:05:15,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:05:15,155 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_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c[454,467] [2024-12-06 03:05:15,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:05:15,164 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:05:15,172 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_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c[454,467] [2024-12-06 03:05:15,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:05:15,181 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:05:15,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15 WrapperNode [2024-12-06 03:05:15,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:05:15,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:05:15,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:05:15,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:05:15,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,201 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-12-06 03:05:15,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:05:15,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:05:15,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:05:15,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:05:15,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:05:15,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:05:15,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:05:15,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:05:15,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:05:15,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:05:15,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:05:15,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:05:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:05:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:05:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:05:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:05:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-12-06 03:05:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-12-06 03:05:15,304 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:05:15,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:05:15,369 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 03:05:15,369 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:05:15,383 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:05:15,383 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:05:15,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:15 BoogieIcfgContainer [2024-12-06 03:05:15,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:05:15,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:05:15,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:05:15,391 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:05:15,391 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:15" (1/1) ... [2024-12-06 03:05:15,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:05:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 03:05:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 03:05:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:05:15,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:15,643 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 03:05:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2024-12-06 03:05:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 03:05:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:05:15,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:15,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:05:15,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2024-12-06 03:05:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 03:05:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:05:15,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:15,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 03:05:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2024-12-06 03:05:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 03:05:16,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:05:16,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:16,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 03:05:16,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2024-12-06 03:05:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 03:05:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:05:16,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:16,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 03:05:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2024-12-06 03:05:16,601 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-12-06 03:05:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 03:05:16,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:16,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 03:05:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2024-12-06 03:05:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 03:05:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 03:05:16,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:16,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-06 03:05:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2024-12-06 03:05:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-12-06 03:05:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 03:05:17,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:17,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-06 03:05:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2024-12-06 03:05:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2024-12-06 03:05:17,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 03:05:17,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:17,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 03:05:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2024-12-06 03:05:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-06 03:05:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 03:05:17,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:17,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 03:05:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2024-12-06 03:05:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2024-12-06 03:05:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 03:05:18,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:18,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-12-06 03:05:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2024-12-06 03:05:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2024-12-06 03:05:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-06 03:05:18,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-12-06 03:05:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2024-12-06 03:05:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2024-12-06 03:05:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 03:05:19,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:19,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-12-06 03:05:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2024-12-06 03:05:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2024-12-06 03:05:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 03:05:19,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-06 03:05:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2024-12-06 03:05:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2024-12-06 03:05:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-06 03:05:20,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-12-06 03:05:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2024-12-06 03:05:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2024-12-06 03:05:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 03:05:20,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:20,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-12-06 03:05:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2024-12-06 03:05:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2024-12-06 03:05:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-06 03:05:21,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-06 03:05:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2024-12-06 03:05:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2024-12-06 03:05:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 03:05:21,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:21,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-12-06 03:05:22,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2024-12-06 03:05:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2024-12-06 03:05:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 03:05:22,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-12-06 03:05:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2024-12-06 03:05:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2024-12-06 03:05:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-06 03:05:22,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:22,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-12-06 03:05:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 73 states and 284 transitions. [2024-12-06 03:05:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2024-12-06 03:05:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-06 03:05:23,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:23,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-06 03:05:24,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 76 states and 308 transitions. [2024-12-06 03:05:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 308 transitions. [2024-12-06 03:05:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-06 03:05:24,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-12-06 03:05:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:24,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 79 states and 333 transitions. [2024-12-06 03:05:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 333 transitions. [2024-12-06 03:05:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-06 03:05:24,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-12-06 03:05:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 82 states and 359 transitions. [2024-12-06 03:05:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 359 transitions. [2024-12-06 03:05:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-06 03:05:25,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:25,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-12-06 03:05:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 85 states and 386 transitions. [2024-12-06 03:05:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 386 transitions. [2024-12-06 03:05:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-06 03:05:25,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-12-06 03:05:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 88 states and 414 transitions. [2024-12-06 03:05:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 414 transitions. [2024-12-06 03:05:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-06 03:05:26,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-12-06 03:05:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 167 states and 1144 transitions. [2024-12-06 03:05:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 1144 transitions. [2024-12-06 03:05:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-06 03:05:52,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:52,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-12-06 03:05:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 89 states and 91 transitions. [2024-12-06 03:05:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2024-12-06 03:05:59,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:05:59,962 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2024-12-06 03:05:59,971 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:06:00,522 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:06:00,522 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: true [2024-12-06 03:06:00,522 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: true [2024-12-06 03:06:00,522 INFO L77 FloydHoareUtils]: At program point L14(lines 14 16) the Hoare annotation is: true [2024-12-06 03:06:00,522 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= 25 |ULTIMATE.start_main_~input~0#1|) (<= |ULTIMATE.start_main_~input~0#1| 25)) [2024-12-06 03:06:00,522 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-12-06 03:06:00,522 INFO L77 FloydHoareUtils]: At program point L11(lines 11 17) the Hoare annotation is: true [2024-12-06 03:06:00,523 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:06:00,523 INFO L77 FloydHoareUtils]: At program point idFINAL(lines 6 9) the Hoare annotation is: true [2024-12-06 03:06:00,523 INFO L77 FloydHoareUtils]: At program point idEXIT(lines 6 9) the Hoare annotation is: true [2024-12-06 03:06:00,523 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 6 9) the Hoare annotation is: true [2024-12-06 03:06:00,523 INFO L77 FloydHoareUtils]: At program point L8(line 8) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-12-06 03:06:00,523 INFO L77 FloydHoareUtils]: At program point L7(line 7) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-12-06 03:06:00,523 INFO L77 FloydHoareUtils]: At program point L8-1(line 8) the Hoare annotation is: true [2024-12-06 03:06:00,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:06:00 ImpRootNode [2024-12-06 03:06:00,529 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:06:00,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:06:00,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:06:00,530 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:06:00,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:15" (3/4) ... [2024-12-06 03:06:00,532 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:06:00,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-12-06 03:06:00,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 03:06:00,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:06:00,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:06:00,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:06:00,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:06:00,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:06:00,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:06:00,584 INFO L158 Benchmark]: Toolchain (without parser) took 45531.69ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 93.7MB in the beginning and 358.7MB in the end (delta: -265.0MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-12-06 03:06:00,584 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:06:00,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 128.74ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:06:00,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.48ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:06:00,585 INFO L158 Benchmark]: Boogie Preprocessor took 11.59ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.4MB in the end (delta: 433.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:06:00,585 INFO L158 Benchmark]: RCFGBuilder took 168.97ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 72.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:06:00,585 INFO L158 Benchmark]: CodeCheck took 45145.34ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 71.9MB in the beginning and 362.7MB in the end (delta: -290.9MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-12-06 03:06:00,586 INFO L158 Benchmark]: Witness Printer took 53.91ms. Allocated memory is still 444.6MB. Free memory was 362.7MB in the beginning and 358.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:06:00,588 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.6s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2396 SdHoareTripleChecker+Valid, 29.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1634 mSDsluCounter, 3514 SdHoareTripleChecker+Invalid, 24.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3134 mSDsCounter, 4122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25900 IncrementalHoareTripleChecker+Invalid, 30022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4122 mSolverCounterUnsat, 380 mSDtfsCounter, 25900 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50831 GetRequests, 48769 SyntacticMatches, 1622 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78774 ImplicationChecksByTransitivity, 28.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 2349 NumberOfCodeBlocks, 2349 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 5948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 2 PerfectInterpolantSequences, 10504/18954 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: 15]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 128.74ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.48ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.59ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.4MB in the end (delta: 433.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 168.97ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 72.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 45145.34ms. Allocated memory was 117.4MB in the beginning and 444.6MB in the end (delta: 327.2MB). Free memory was 71.9MB in the beginning and 362.7MB in the end (delta: -290.9MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 53.91ms. Allocated memory is still 444.6MB. Free memory was 362.7MB in the beginning and 358.7MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:06:00,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136c172e-3cba-4dcd-b2dd-ba63ae8c70fb/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