./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:14,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:14,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:13:14,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:14,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:14,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:14,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:14,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:14,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:14,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:14,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:14,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:14,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:14,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:14,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:14,504 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:13:14,504 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:13:14,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:14,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:14,505 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:13:14,506 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:14,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:14,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:14,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:14,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:14,509 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:14,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:14,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:14,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:14,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:14,512 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:14,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:14,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2023-11-19 03:13:14,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:14,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:14,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:14,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:14,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:14,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2023-11-19 03:13:17,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:18,298 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:18,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2023-11-19 03:13:18,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/data/f3494aeea/a4ccd92d14eb4318b054e1ccf4e3c8b6/FLAG30481e033 [2023-11-19 03:13:18,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/data/f3494aeea/a4ccd92d14eb4318b054e1ccf4e3c8b6 [2023-11-19 03:13:18,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:18,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:18,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:18,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:18,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:18,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:18" (1/1) ... [2023-11-19 03:13:18,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e772e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:18, skipping insertion in model container [2023-11-19 03:13:18,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:18" (1/1) ... [2023-11-19 03:13:18,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:19,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:19,067 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:19,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:19,183 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:19,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19 WrapperNode [2023-11-19 03:13:19,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:19,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:19,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:19,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:19,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,339 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 865 [2023-11-19 03:13:19,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:19,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:19,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:19,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:19,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:19,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:19,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:19,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:19,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:19,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:19,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3ddc71-87cd-4ecc-b114-3ff094fc849d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:13:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:13:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:13:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:13:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:13:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:19,868 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:19,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:21,198 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:22,177 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:22,177 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 03:13:22,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:22 BoogieIcfgContainer [2023-11-19 03:13:22,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:22,189 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:22,189 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:22,199 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:22,200 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:22" (1/1) ... [2023-11-19 03:13:22,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 125 states and 194 transitions. [2023-11-19 03:13:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2023-11-19 03:13:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:13:22,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:22,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:22,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2023-11-19 03:13:22,537 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2023-11-19 03:13:22,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:13:22,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:22,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:22,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:22,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:22,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 126 states and 194 transitions. [2023-11-19 03:13:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 194 transitions. [2023-11-19 03:13:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:13:22,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:22,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:22,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:22,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:22,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 126 states and 190 transitions. [2023-11-19 03:13:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-19 03:13:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:13:22,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:22,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:22,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:22,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:22,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 126 states and 184 transitions. [2023-11-19 03:13:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2023-11-19 03:13:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:13:22,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:22,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:23,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:23,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:33,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 126 states and 178 transitions. [2023-11-19 03:13:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2023-11-19 03:13:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:13:33,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:33,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:33,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:33,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:35,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 153 states and 210 transitions. [2023-11-19 03:13:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2023-11-19 03:13:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:13:36,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:36,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:36,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:36,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 153 states and 208 transitions. [2023-11-19 03:13:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 208 transitions. [2023-11-19 03:13:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:13:36,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:36,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:36,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:36,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 153 states and 206 transitions. [2023-11-19 03:13:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2023-11-19 03:13:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:13:36,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:36,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:36,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:36,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:41,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 153 states and 204 transitions. [2023-11-19 03:13:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 204 transitions. [2023-11-19 03:13:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:13:41,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:41,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:41,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:41,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 202 transitions. [2023-11-19 03:13:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 202 transitions. [2023-11-19 03:13:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:13:41,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:41,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:42,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:42,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:13:52,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:14:02,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:14:03,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:14:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 156 states and 204 transitions. [2023-11-19 03:14:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 204 transitions. [2023-11-19 03:14:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:14:03,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:03,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:03,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:14:03,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 163 states and 212 transitions. [2023-11-19 03:14:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 212 transitions. [2023-11-19 03:14:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:14:04,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:04,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:04,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:14:04,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:04,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2023-11-19 03:14:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2023-11-19 03:14:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:14:04,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:04,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:04,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:14:04,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 171 states and 221 transitions. [2023-11-19 03:14:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 221 transitions. [2023-11-19 03:14:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:14:05,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:05,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:14:05,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:14:06,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 03:14:07,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:07,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 223 transitions. [2023-11-19 03:14:07,216 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2023-11-19 03:14:07,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:14:07,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:07,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:07,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:14:07,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 172 states and 221 transitions. [2023-11-19 03:14:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 221 transitions. [2023-11-19 03:14:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:14:07,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:07,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:14:07,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:14:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 175 states and 223 transitions. [2023-11-19 03:14:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 223 transitions. [2023-11-19 03:14:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:14:09,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:09,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:09,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:14:09,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:14,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:14:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 202 states and 256 transitions. [2023-11-19 03:14:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 256 transitions. [2023-11-19 03:14:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:14:15,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:15,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:14:15,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.