./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi --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 171516ccf7ce56a0fe5d7e6e8d7c3265875afe4246c9b2f5548b0fe9f9b93621 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:15,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:15,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:55:15,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:15,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:15,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:15,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:15,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:15,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:15,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:15,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:15,716 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:55:15,716 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:55:15,720 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:55:15,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:15,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:15,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:15,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:15,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:15,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:15,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:15,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:15,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:15,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:15,725 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:15,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:15,726 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_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 171516ccf7ce56a0fe5d7e6e8d7c3265875afe4246c9b2f5548b0fe9f9b93621 [2023-11-24 22:55:16,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:16,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:16,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:16,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:16,113 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:16,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2023-11-24 22:55:19,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:19,810 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:19,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2023-11-24 22:55:19,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/data/68f118c81/f6f265aad5ac4b07b5a78c2b49015535/FLAG2b15556e3 [2023-11-24 22:55:19,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/data/68f118c81/f6f265aad5ac4b07b5a78c2b49015535 [2023-11-24 22:55:19,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:19,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:19,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:19,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:19,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:19,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:19" (1/1) ... [2023-11-24 22:55:19,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9712430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:19, skipping insertion in model container [2023-11-24 22:55:19,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:19" (1/1) ... [2023-11-24 22:55:19,941 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:21,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:21,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:21,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:21,435 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:21,444 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:21,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21 WrapperNode [2023-11-24 22:55:21,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:21,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:21,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:21,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:21,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,574 INFO L138 Inliner]: procedures = 540, calls = 133, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 504 [2023-11-24 22:55:21,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:21,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:21,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:21,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:21,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:21,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:21,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:21,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:21,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:21" (1/1) ... [2023-11-24 22:55:21,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:21,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:21,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:21,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3905e5c-afb5-4ef3-9800-652618b4de07/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:55:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:55:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:55:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:55:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:55:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:55:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:55:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:22,315 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:22,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:23,276 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:23,419 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:23,420 INFO L309 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-24 22:55:23,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:23 BoogieIcfgContainer [2023-11-24 22:55:23,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:23,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:23,423 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:23,435 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:23,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:23" (1/1) ... [2023-11-24 22:55:23,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 291 states and 325 transitions. [2023-11-24 22:55:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 325 transitions. [2023-11-24 22:55:23,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:55:23,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:23,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 290 states and 324 transitions. [2023-11-24 22:55:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 324 transitions. [2023-11-24 22:55:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:55:24,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:24,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 289 states and 323 transitions. [2023-11-24 22:55:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 323 transitions. [2023-11-24 22:55:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:24,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:24,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 290 states and 325 transitions. [2023-11-24 22:55:24,475 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 325 transitions. [2023-11-24 22:55:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:24,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:24,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:24,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 291 states and 327 transitions. [2023-11-24 22:55:24,627 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 327 transitions. [2023-11-24 22:55:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:24,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:24,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 293 states and 329 transitions. [2023-11-24 22:55:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 329 transitions. [2023-11-24 22:55:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:25,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 294 states and 332 transitions. [2023-11-24 22:55:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 332 transitions. [2023-11-24 22:55:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:25,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:25,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 294 states and 331 transitions. [2023-11-24 22:55:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 331 transitions. [2023-11-24 22:55:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:25,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 296 states and 334 transitions. [2023-11-24 22:55:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 334 transitions. [2023-11-24 22:55:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:26,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:26,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 298 states and 339 transitions. [2023-11-24 22:55:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 339 transitions. [2023-11-24 22:55:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:26,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:26,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 298 states and 338 transitions. [2023-11-24 22:55:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 338 transitions. [2023-11-24 22:55:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:26,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 300 states and 341 transitions. [2023-11-24 22:55:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 341 transitions. [2023-11-24 22:55:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:27,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:27,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:27,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 302 states and 348 transitions. [2023-11-24 22:55:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 348 transitions. [2023-11-24 22:55:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:27,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:27,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:27,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:55:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 302 states and 347 transitions. [2023-11-24 22:55:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 347 transitions. [2023-11-24 22:55:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:28,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:28,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:30,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 303 states and 348 transitions. [2023-11-24 22:55:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 348 transitions. [2023-11-24 22:55:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:30,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:30,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 304 states and 348 transitions. [2023-11-24 22:55:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 348 transitions. [2023-11-24 22:55:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:30,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:30,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:31,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 306 states and 357 transitions. [2023-11-24 22:55:31,533 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 357 transitions. [2023-11-24 22:55:31,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:31,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:31,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:55:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 306 states and 356 transitions. [2023-11-24 22:55:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 356 transitions. [2023-11-24 22:55:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:31,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:31,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 307 states and 356 transitions. [2023-11-24 22:55:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 356 transitions. [2023-11-24 22:55:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:32,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:55:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 310 states and 368 transitions. [2023-11-24 22:55:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 368 transitions. [2023-11-24 22:55:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:36,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:36,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 312 states and 377 transitions. [2023-11-24 22:55:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 377 transitions. [2023-11-24 22:55:37,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:37,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:37,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:55:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 312 states and 376 transitions. [2023-11-24 22:55:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 376 transitions. [2023-11-24 22:55:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:37,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:37,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 314 states and 382 transitions. [2023-11-24 22:55:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 382 transitions. [2023-11-24 22:55:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:39,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 315 states and 382 transitions. [2023-11-24 22:55:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 382 transitions. [2023-11-24 22:55:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:40,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:40,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 317 states and 393 transitions. [2023-11-24 22:55:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 393 transitions. [2023-11-24 22:55:41,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:41,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:41,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:55:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 317 states and 392 transitions. [2023-11-24 22:55:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 392 transitions. [2023-11-24 22:55:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:42,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:42,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:43,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 318 states and 392 transitions. [2023-11-24 22:55:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 392 transitions. [2023-11-24 22:55:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:43,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:43,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 320 states and 403 transitions. [2023-11-24 22:55:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 403 transitions. [2023-11-24 22:55:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:44,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:44,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:55:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 320 states and 402 transitions. [2023-11-24 22:55:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 402 transitions. [2023-11-24 22:55:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:44,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:44,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 321 states and 402 transitions. [2023-11-24 22:55:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 402 transitions. [2023-11-24 22:55:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:45,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:45,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 323 states and 413 transitions. [2023-11-24 22:55:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 413 transitions. [2023-11-24 22:55:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:47,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 325 states and 420 transitions. [2023-11-24 22:55:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 420 transitions. [2023-11-24 22:55:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:49,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:55:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 325 states and 419 transitions. [2023-11-24 22:55:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 419 transitions. [2023-11-24 22:55:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:50,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:50,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 327 states and 427 transitions. [2023-11-24 22:55:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 427 transitions. [2023-11-24 22:55:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:51,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:51,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:55:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 327 states and 426 transitions. [2023-11-24 22:55:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 426 transitions. [2023-11-24 22:55:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:52,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 304 states and 338 transitions. [2023-11-24 22:55:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 338 transitions. [2023-11-24 22:55:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:54,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 305 states and 338 transitions. [2023-11-24 22:55:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 338 transitions. [2023-11-24 22:55:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:55:55,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,900 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:56:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 304 states and 337 transitions. [2023-11-24 22:56:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 337 transitions. [2023-11-24 22:56:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:56:03,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:03,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:56:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 303 states and 336 transitions. [2023-11-24 22:56:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 336 transitions. [2023-11-24 22:56:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:56:04,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:56:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 302 states and 335 transitions. [2023-11-24 22:56:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 335 transitions. [2023-11-24 22:56:06,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:06,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:06,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat