./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0137.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0137.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c2d362b3c58f37a9b1e964b448eb3d54c85d26676417295a73853b3a7cc716a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:24:00,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:24:00,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:24:00,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:24:00,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:24:00,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:24:00,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:24:00,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:24:00,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:24:00,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:24:00,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:24:00,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:24:00,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:24:00,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:24:00,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:24:00,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:24:00,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:24:00,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:24:00,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:00,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:24:00,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:24:00,233 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:24:00,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:24:00,233 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_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 1c2d362b3c58f37a9b1e964b448eb3d54c85d26676417295a73853b3a7cc716a [2024-11-13 22:24:00,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:24:00,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:24:00,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:24:00,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:24:00,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:24:00,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety/test-0137.i Unable to find full path for "g++" [2024-11-13 22:24:02,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:24:03,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:24:03,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/sv-benchmarks/c/memsafety/test-0137.i [2024-11-13 22:24:03,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/data/ea37fb519/5644e2d2e04a4519b1e007862da67180/FLAG00f40f74e [2024-11-13 22:24:03,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/data/ea37fb519/5644e2d2e04a4519b1e007862da67180 [2024-11-13 22:24:03,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:24:03,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:24:03,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:03,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:24:03,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:24:03,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:03" (1/1) ... [2024-11-13 22:24:03,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7835b5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:03, skipping insertion in model container [2024-11-13 22:24:03,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:24:03" (1/1) ... [2024-11-13 22:24:03,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:24:03,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:03,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:24:04,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:24:04,103 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:24:04,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04 WrapperNode [2024-11-13 22:24:04,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:24:04,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:04,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:24:04,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:24:04,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,160 INFO L138 Inliner]: procedures = 137, calls = 60, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 183 [2024-11-13 22:24:04,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:24:04,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:24:04,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:24:04,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:24:04,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:24:04,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:24:04,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:24:04,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:24:04,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:24:04" (1/1) ... [2024-11-13 22:24:04,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:24:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:24:04,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:24:04,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:24:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:24:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:24:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:24:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:24:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:24:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:24:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:24:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:24:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:24:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:24:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:24:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:24:04,463 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:24:04,465 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:24:05,279 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-13 22:24:05,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:24:05,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:24:05,452 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 22:24:05,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:05 BoogieIcfgContainer [2024-11-13 22:24:05,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:24:05,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:24:05,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:24:05,473 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:24:05,473 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:05" (1/1) ... [2024-11-13 22:24:05,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:24:05,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 121 states and 129 transitions. [2024-11-13 22:24:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 129 transitions. [2024-11-13 22:24:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:24:05,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2024-11-13 22:24:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2024-11-13 22:24:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:24:05,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:05,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2024-11-13 22:24:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2024-11-13 22:24:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:24:06,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:06,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2024-11-13 22:24:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2024-11-13 22:24:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:24:06,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:06,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 125 states and 137 transitions. [2024-11-13 22:24:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2024-11-13 22:24:08,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:24:08,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 129 states and 145 transitions. [2024-11-13 22:24:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2024-11-13 22:24:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:24:09,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 133 states and 153 transitions. [2024-11-13 22:24:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2024-11-13 22:24:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:24:11,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:11,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:13,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 158 transitions. [2024-11-13 22:24:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2024-11-13 22:24:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:24:13,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:13,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 137 states and 163 transitions. [2024-11-13 22:24:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2024-11-13 22:24:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:24:14,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 136 states and 162 transitions. [2024-11-13 22:24:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2024-11-13 22:24:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:24:14,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:14,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:15,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 137 states and 164 transitions. [2024-11-13 22:24:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2024-11-13 22:24:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:24:16,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:16,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 140 states and 170 transitions. [2024-11-13 22:24:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-11-13 22:24:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:24:18,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:18,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 143 states and 175 transitions. [2024-11-13 22:24:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2024-11-13 22:24:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:24:20,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:20,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:24,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:24,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 150 states and 189 transitions. [2024-11-13 22:24:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 189 transitions. [2024-11-13 22:24:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:24:24,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:24,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 157 states and 203 transitions. [2024-11-13 22:24:30,040 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 203 transitions. [2024-11-13 22:24:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:24:30,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 160 states and 207 transitions. [2024-11-13 22:24:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2024-11-13 22:24:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:24:32,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2024-11-13 22:24:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2024-11-13 22:24:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:24:34,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:34,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:35,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:35,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2024-11-13 22:24:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2024-11-13 22:24:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:35,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:35,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 171 states and 238 transitions. [2024-11-13 22:24:43,378 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 238 transitions. [2024-11-13 22:24:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:43,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:43,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 243 transitions. [2024-11-13 22:24:47,170 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2024-11-13 22:24:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:47,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:47,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 174 states and 245 transitions. [2024-11-13 22:24:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2024-11-13 22:24:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:48,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 175 states and 246 transitions. [2024-11-13 22:24:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 246 transitions. [2024-11-13 22:24:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:49,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:49,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 176 states and 248 transitions. [2024-11-13 22:24:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 248 transitions. [2024-11-13 22:24:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:51,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 178 states and 251 transitions. [2024-11-13 22:24:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 251 transitions. [2024-11-13 22:24:53,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:53,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 180 states and 253 transitions. [2024-11-13 22:24:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 253 transitions. [2024-11-13 22:24:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:55,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 182 states and 258 transitions. [2024-11-13 22:24:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 258 transitions. [2024-11-13 22:24:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:24:57,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:57,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 184 states and 260 transitions. [2024-11-13 22:25:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 260 transitions. [2024-11-13 22:25:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:02,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:02,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 186 states and 263 transitions. [2024-11-13 22:25:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 263 transitions. [2024-11-13 22:25:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:03,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:03,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 188 states and 266 transitions. [2024-11-13 22:25:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 266 transitions. [2024-11-13 22:25:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:05,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:05,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 188 states and 265 transitions. [2024-11-13 22:25:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 265 transitions. [2024-11-13 22:25:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:05,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:05,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 190 states and 268 transitions. [2024-11-13 22:25:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 268 transitions. [2024-11-13 22:25:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:05,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:05,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 192 states and 270 transitions. [2024-11-13 22:25:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 270 transitions. [2024-11-13 22:25:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:06,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:06,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:25:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 193 states and 271 transitions. [2024-11-13 22:25:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 271 transitions. [2024-11-13 22:25:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:09,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:25:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 194 states and 272 transitions. [2024-11-13 22:25:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 272 transitions. [2024-11-13 22:25:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:11,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:11,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:25:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 193 states and 270 transitions. [2024-11-13 22:25:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 270 transitions. [2024-11-13 22:25:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:11,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:11,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:25:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 268 transitions. [2024-11-13 22:25:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions. [2024-11-13 22:25:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:13,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:13,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 199 states and 280 transitions. [2024-11-13 22:25:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 280 transitions. [2024-11-13 22:25:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:15,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 206 states and 291 transitions. [2024-11-13 22:25:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 291 transitions. [2024-11-13 22:25:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:19,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:19,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:20,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 205 states and 290 transitions. [2024-11-13 22:25:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 290 transitions. [2024-11-13 22:25:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:20,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:20,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:20,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 217 states and 314 transitions. [2024-11-13 22:25:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 314 transitions. [2024-11-13 22:25:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:26,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:26,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:25:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 217 states and 313 transitions. [2024-11-13 22:25:27,775 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 313 transitions. [2024-11-13 22:25:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:27,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:27,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:25:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 220 states and 319 transitions. [2024-11-13 22:25:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 319 transitions. [2024-11-13 22:25:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:32,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:32,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 231 states and 341 transitions. [2024-11-13 22:25:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 341 transitions. [2024-11-13 22:25:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:41,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:41,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:42,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 232 states and 343 transitions. [2024-11-13 22:25:42,983 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 343 transitions. [2024-11-13 22:25:42,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:42,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:42,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 234 states and 346 transitions. [2024-11-13 22:25:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 346 transitions. [2024-11-13 22:25:45,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:45,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:45,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:50,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 239 states and 356 transitions. [2024-11-13 22:25:50,053 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 356 transitions. [2024-11-13 22:25:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:50,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 244 states and 363 transitions. [2024-11-13 22:25:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 363 transitions. [2024-11-13 22:25:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:25:53,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:53,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 246 states and 365 transitions. [2024-11-13 22:25:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 365 transitions. [2024-11-13 22:25:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:25:57,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:57,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 252 states and 379 transitions. [2024-11-13 22:26:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 379 transitions. [2024-11-13 22:26:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:02,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:02,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 258 states and 393 transitions. [2024-11-13 22:26:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 393 transitions. [2024-11-13 22:26:08,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:08,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:08,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:12,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 260 states and 395 transitions. [2024-11-13 22:26:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 395 transitions. [2024-11-13 22:26:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:12,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:12,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 261 states and 397 transitions. [2024-11-13 22:26:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 397 transitions. [2024-11-13 22:26:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:15,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 262 states and 399 transitions. [2024-11-13 22:26:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 399 transitions. [2024-11-13 22:26:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:26:23,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:23,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 278 states and 430 transitions. [2024-11-13 22:26:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 430 transitions. [2024-11-13 22:26:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:26:44,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:44,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 285 states and 446 transitions. [2024-11-13 22:26:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 446 transitions. [2024-11-13 22:26:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:26:55,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:55,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 292 states and 462 transitions. [2024-11-13 22:27:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 462 transitions. [2024-11-13 22:27:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:27:10,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:10,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:27:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 293 states and 464 transitions. [2024-11-13 22:27:16,498 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 464 transitions. [2024-11-13 22:27:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:27:16,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:16,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 301 states and 484 transitions. [2024-11-13 22:27:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 484 transitions. [2024-11-13 22:27:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:27:36,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:36,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:39,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2024-11-13 22:27:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2024-11-13 22:27:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:27:39,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:27:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 302 states and 487 transitions. [2024-11-13 22:27:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 487 transitions. [2024-11-13 22:27:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:27:42,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:42,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:47,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 301 states and 486 transitions. [2024-11-13 22:27:47,588 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 486 transitions. [2024-11-13 22:27:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:27:47,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:47,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2024-11-13 22:27:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2024-11-13 22:27:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:27:49,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 304 states and 491 transitions. [2024-11-13 22:27:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 491 transitions. [2024-11-13 22:27:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:27:51,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:51,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:26,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:26,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 320 states and 535 transitions. [2024-11-13 22:28:26,672 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 535 transitions. [2024-11-13 22:28:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:28:26,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:28:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:28:26,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:28:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:28:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:28:26,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:28:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:28:27,002 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 64 iterations. [2024-11-13 22:28:27,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:28:27 ImpRootNode [2024-11-13 22:28:27,067 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:28:27,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:28:27,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:28:27,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:28:27,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:24:05" (3/4) ... [2024-11-13 22:28:27,070 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:28:27,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:28:27,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:28:27,138 INFO L158 Benchmark]: Toolchain (without parser) took 263821.96ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 116.7MB in the beginning and 881.9MB in the end (delta: -765.2MB). Peak memory consumption was 540.2MB. Max. memory is 16.1GB. [2024-11-13 22:28:27,138 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:28:27,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.26ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 97.9MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:28:27,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.48ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:28:27,139 INFO L158 Benchmark]: Boogie Preprocessor took 39.24ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:28:27,139 INFO L158 Benchmark]: RCFGBuilder took 1250.74ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 50.1MB in the end (delta: 43.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:28:27,140 INFO L158 Benchmark]: CodeCheck took 261613.61ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 50.1MB in the beginning and 886.6MB in the end (delta: -836.5MB). Peak memory consumption was 473.1MB. Max. memory is 16.1GB. [2024-11-13 22:28:27,140 INFO L158 Benchmark]: Witness Printer took 69.08ms. Allocated memory is still 1.5GB. Free memory was 886.6MB in the beginning and 881.9MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:28:27,143 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, 121 locations, 70 error locations. Started 1 CEGAR loops. OverallTime: 261.5s, OverallIterations: 64, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8992 SdHoareTripleChecker+Valid, 90.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7672 mSDsluCounter, 6543 SdHoareTripleChecker+Invalid, 80.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5645 mSDsCounter, 11478 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38942 IncrementalHoareTripleChecker+Invalid, 50420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11478 mSolverCounterUnsat, 898 mSDtfsCounter, 38942 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8032 GetRequests, 6896 SyntacticMatches, 252 SemanticMatches, 884 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363556 ImplicationChecksByTransitivity, 246.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 38.7s InterpolantComputationTime, 889 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 806 ConstructedInterpolants, 0 QuantifiedInterpolants, 6482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 63 InterpolantComputations, 46 PerfectInterpolantSequences, 48/111 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L564] struct list_head gl_list = { &(gl_list), &(gl_list) }; [L625] CALL gl_read() [L576] CALL gl_insert(__VERIFIER_nondet_int()) [L567] struct node *node = malloc(sizeof *node); [L568] COND FALSE !(!node) VAL [gl_list={3:0}, node={-1:0}, value=1] [L570] node->value = value [L571] CALL list_add(&node->linkage, &gl_list) [L547] EXPR head->next [L547] CALL __list_add(new, head, head->next) [L535] next->prev = new VAL [gl_list={3:0}, new={-1:4}, next={3:0}, prev={3:0}] [L536] new->next = next VAL [gl_list={3:0}, new={-1:4}, prev={3:0}] [L537] new->prev = prev VAL [gl_list={3:0}, new={-1:4}, prev={3:0}] [L538] prev->next = new [L547] RET __list_add(new, head, head->next) [L571] RET list_add(&node->linkage, &gl_list) [L576] RET gl_insert(__VERIFIER_nondet_int()) [L578] COND FALSE !(__VERIFIER_nondet_int()) [L625] RET gl_read() [L626] CALL gl_sort() [L613] CALL list_empty(&gl_list) [L529] EXPR head->next [L529] return head->next == head; [L613] RET list_empty(&gl_list) [L613] COND FALSE !(list_empty(&gl_list)) [L615] struct list_head dst = { &(dst), &(dst) }; [L616] struct list_head *max_pos; VAL [dst={28270:0}, gl_list={3:0}] [L617] CALL gl_seek_max() [L594] struct list_head *pos, *max_pos = ((void *)0); [L595] int max; [L596] CALL list_empty(&gl_list) [L529] EXPR head->next [L529] return head->next == head; [L596] RET list_empty(&gl_list) [L596] COND FALSE !(list_empty(&gl_list)) [L599] EXPR gl_list.next [L599] max_pos = gl_list.next [L600] CALL, EXPR val_from_node(max_pos) [L589] struct node *entry = ((struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage))); VAL [entry={-1:0}, gl_list={3:0}] [L590] EXPR entry->value [L590] return entry->value; [L600] RET, EXPR val_from_node(max_pos) [L600] max = val_from_node(max_pos) [L602] EXPR (max_pos)->next [L602] pos = (max_pos)->next [L602] COND TRUE pos != (max_pos) [L603] CALL val_from_node(pos) [L589] struct node *entry = ((struct node *)((char *)(head)-(unsigned long)(&((struct node *)0)->linkage))); VAL [entry={3:-4}, gl_list={3:0}] [L590] entry->value * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.26ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 97.9MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.48ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.24ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1250.74ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 50.1MB in the end (delta: 43.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 261613.61ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 50.1MB in the beginning and 886.6MB in the end (delta: -836.5MB). Peak memory consumption was 473.1MB. Max. memory is 16.1GB. * Witness Printer took 69.08ms. Allocated memory is still 1.5GB. Free memory was 886.6MB in the beginning and 881.9MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:28:27,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd67447-e43d-4e4e-80f8-168ed86ffb09/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)