./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/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_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6e588807776461813c1ae9106dc80912b11e9df5504cf2f27974dc29a72efbfe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:11,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:11,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 04:04:11,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:11,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:11,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:11,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:11,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:11,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:11,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:11,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:11,280 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:04:11,281 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:04:11,282 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:04:11,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:11,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:11,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:11,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:11,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:11,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:11,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:11,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:11,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:11,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:11,289 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:11,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:11,290 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_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e588807776461813c1ae9106dc80912b11e9df5504cf2f27974dc29a72efbfe [2023-11-19 04:04:11,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:11,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:11,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:11,672 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:11,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:11,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-15/cstrncpy_malloc.i [2023-11-19 04:04:14,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:15,154 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:15,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/sv-benchmarks/c/termination-15/cstrncpy_malloc.i [2023-11-19 04:04:15,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/data/948965e72/d1093bdadcbf4d848ae7fd22cd1e7a1e/FLAGcbbddcb5a [2023-11-19 04:04:15,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/data/948965e72/d1093bdadcbf4d848ae7fd22cd1e7a1e [2023-11-19 04:04:15,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:15,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:15,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:15,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:15,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:15,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f41e512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15, skipping insertion in model container [2023-11-19 04:04:15,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:15,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:15,595 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:15,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:15,710 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:15,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15 WrapperNode [2023-11-19 04:04:15,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:15,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:15,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:15,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:15,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,774 INFO L138 Inliner]: procedures = 152, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2023-11-19 04:04:15,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:15,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:15,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:15,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:15,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:15,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:15,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:15,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:15,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:15,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:15,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:15,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60890413-ff7c-4cf2-acd2-5e5e8dda4bd2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:04:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:04:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:04:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:16,108 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:16,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:16,351 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:16,442 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:16,448 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:04:16,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:16 BoogieIcfgContainer [2023-11-19 04:04:16,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:16,455 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:16,455 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:16,465 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:16,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2023-11-19 04:04:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2023-11-19 04:04:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:04:16,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:16,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:16,766 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 04:04:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2023-11-19 04:04:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2023-11-19 04:04:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:04:16,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:16,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:17,168 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 04:04:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2023-11-19 04:04:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-19 04:04:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:04:17,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:17,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:17,479 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 04:04:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-19 04:04:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-19 04:04:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:04:17,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:17,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:17,997 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 04:04:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2023-11-19 04:04:18,458 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-11-19 04:04:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:04:18,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:18,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:18,540 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 04:04:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2023-11-19 04:04:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-19 04:04:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:04:19,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,477 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 04:04:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2023-11-19 04:04:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2023-11-19 04:04:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:04:20,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,034 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 04:04:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2023-11-19 04:04:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2023-11-19 04:04:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:04:22,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:22,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:22,968 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 04:04:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2023-11-19 04:04:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-11-19 04:04:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:04:24,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:24,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:24,574 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 04:04:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 49 states and 70 transitions. [2023-11-19 04:04:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2023-11-19 04:04:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:04:25,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2023-11-19 04:04:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2023-11-19 04:04:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:04:26,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2023-11-19 04:04:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2023-11-19 04:04:31,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:04:31,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:31,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,666 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 04:04:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2023-11-19 04:04:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2023-11-19 04:04:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:04:33,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:35,581 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 04:04:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2023-11-19 04:04:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2023-11-19 04:04:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:04:41,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 121 transitions. [2023-11-19 04:04:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2023-11-19 04:04:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:04:44,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:44,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:04:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2023-11-19 04:04:46,627 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2023-11-19 04:04:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:04:46,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:46,655 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 04:04:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2023-11-19 04:04:48,019 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2023-11-19 04:04:48,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:04:48,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:48,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:04:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2023-11-19 04:04:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2023-11-19 04:04:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:04:50,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:50,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:04:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2023-11-19 04:04:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2023-11-19 04:04:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:04:51,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:51,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:51,848 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 04:04:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2023-11-19 04:04:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2023-11-19 04:04:53,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:04:53,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:53,987 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 04:05:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:01,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 172 transitions. [2023-11-19 04:05:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 172 transitions. [2023-11-19 04:05:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:05:01,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:01,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:01,175 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 04:05:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 84 states and 174 transitions. [2023-11-19 04:05:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 174 transitions. [2023-11-19 04:05:02,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:05:02,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:02,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:02,139 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 04:05:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 86 states and 179 transitions. [2023-11-19 04:05:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 179 transitions. [2023-11-19 04:05:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:05:03,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:03,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,977 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 04:05:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 178 transitions. [2023-11-19 04:05:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 178 transitions. [2023-11-19 04:05:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:05:04,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:08,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.