./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/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_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/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 32bit --witnessprinter.graph.data.programhash 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:34,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:34,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:16:34,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:34,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:34,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:34,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:34,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:34,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:34,805 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:34,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:34,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:34,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:34,813 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:16:34,814 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:16:34,814 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:16:34,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:34,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:34,815 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:34,816 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:34,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:34,817 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:34,817 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:34,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:34,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:34,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:34,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:34,820 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:34,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:34,820 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_35f5722b-952d-4c6c-9fe2-561b57942844/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 [2023-11-24 22:16:35,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:35,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:35,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:35,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:35,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:35,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-properties/alternating_list-1.i [2023-11-24 22:16:38,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:38,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:38,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/sv-benchmarks/c/list-properties/alternating_list-1.i [2023-11-24 22:16:38,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/data/3b4c67318/b972c036426f4f77846c20ed640a1dfb/FLAG60253393e [2023-11-24 22:16:38,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/data/3b4c67318/b972c036426f4f77846c20ed640a1dfb [2023-11-24 22:16:38,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:38,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:38,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:38,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:38,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:38,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:38" (1/1) ... [2023-11-24 22:16:38,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed119e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:38, skipping insertion in model container [2023-11-24 22:16:38,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:38" (1/1) ... [2023-11-24 22:16:38,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:39,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:39,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:39,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:39,284 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:39,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39 WrapperNode [2023-11-24 22:16:39,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:39,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:39,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:39,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:39,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,341 INFO L138 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2023-11-24 22:16:39,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:39,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:39,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:39,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:39,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:39,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:39,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:39,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:39,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:39,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:39,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f5722b-952d-4c6c-9fe2-561b57942844/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:16:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:16:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:39,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:39,572 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:39,880 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:39,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:39,954 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:16:39,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:39 BoogieIcfgContainer [2023-11-24 22:16:39,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:39,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:39,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:39,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:39,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2023-11-24 22:16:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2023-11-24 22:16:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:16:40,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:40,215 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 22:16:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2023-11-24 22:16:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2023-11-24 22:16:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:16:40,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:40,431 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 22:16:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2023-11-24 22:16:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2023-11-24 22:16:40,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:16:40,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:40,740 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 22:16:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 74 states and 89 transitions. [2023-11-24 22:16:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2023-11-24 22:16:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:40,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,030 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 22:16:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 78 states and 97 transitions. [2023-11-24 22:16:41,195 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2023-11-24 22:16:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:41,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,374 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 22:16:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 82 states and 106 transitions. [2023-11-24 22:16:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2023-11-24 22:16:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:41,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,788 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 22:16:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 84 states and 109 transitions. [2023-11-24 22:16:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-11-24 22:16:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:41,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,857 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 22:16:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 86 states and 112 transitions. [2023-11-24 22:16:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 112 transitions. [2023-11-24 22:16:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:41,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,939 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 22:16:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2023-11-24 22:16:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2023-11-24 22:16:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:42,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:42,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,521 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 22:16:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 93 states and 126 transitions. [2023-11-24 22:16:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 126 transitions. [2023-11-24 22:16:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:42,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,762 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 22:16:42,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:42,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 97 states and 136 transitions. [2023-11-24 22:16:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2023-11-24 22:16:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:42,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:42,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:43,033 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 22:16:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 100 states and 144 transitions. [2023-11-24 22:16:43,278 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2023-11-24 22:16:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:43,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:43,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:43,308 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 22:16:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2023-11-24 22:16:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-11-24 22:16:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:43,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:43,674 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 22:16:43,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2023-11-24 22:16:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2023-11-24 22:16:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:43,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:43,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:44,130 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 22:16:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 104 states and 155 transitions. [2023-11-24 22:16:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2023-11-24 22:16:44,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:44,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:44,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:44,569 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 22:16:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 107 states and 161 transitions. [2023-11-24 22:16:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2023-11-24 22:16:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:44,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,046 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 22:16:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 108 states and 168 transitions. [2023-11-24 22:16:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 168 transitions. [2023-11-24 22:16:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:45,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,111 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 22:16:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 108 states and 167 transitions. [2023-11-24 22:16:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 167 transitions. [2023-11-24 22:16:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:45,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,342 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 22:16:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 170 transitions. [2023-11-24 22:16:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2023-11-24 22:16:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:45,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,384 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 22:16:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 111 states and 172 transitions. [2023-11-24 22:16:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2023-11-24 22:16:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:45,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,755 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 22:16:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2023-11-24 22:16:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2023-11-24 22:16:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:46,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:46,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:46,909 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 22:16:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 118 states and 186 transitions. [2023-11-24 22:16:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 186 transitions. [2023-11-24 22:16:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:16:47,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,795 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 22:16:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 128 states and 206 transitions. [2023-11-24 22:16:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 206 transitions. [2023-11-24 22:16:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:50,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:50,722 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 22:16:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2023-11-24 22:16:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2023-11-24 22:16:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:51,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 127 states and 204 transitions. [2023-11-24 22:16:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 204 transitions. [2023-11-24 22:16:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:52,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:52,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 127 states and 203 transitions. [2023-11-24 22:16:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2023-11-24 22:16:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:53,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:54,284 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 22:16:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 139 states and 224 transitions. [2023-11-24 22:16:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 224 transitions. [2023-11-24 22:16:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:59,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:59,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 117 states and 182 transitions. [2023-11-24 22:16:59,963 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2023-11-24 22:16:59,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:59,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,168 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 22:17:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 126 states and 201 transitions. [2023-11-24 22:17:02,888 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2023-11-24 22:17:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:02,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:03,338 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 22:17:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 135 states and 216 transitions. [2023-11-24 22:17:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 216 transitions. [2023-11-24 22:17:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:06,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 134 states and 215 transitions. [2023-11-24 22:17:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 215 transitions. [2023-11-24 22:17:06,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:06,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:06,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:06,678 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 22:17:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2023-11-24 22:17:08,178 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-11-24 22:17:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:08,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,361 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 22:17:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 239 transitions. [2023-11-24 22:17:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2023-11-24 22:17:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:09,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,804 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 22:17:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 142 states and 241 transitions. [2023-11-24 22:17:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2023-11-24 22:17:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:10,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,772 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 22:17:11,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 143 states and 243 transitions. [2023-11-24 22:17:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2023-11-24 22:17:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:11,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,433 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 22:17:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 246 transitions. [2023-11-24 22:17:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 246 transitions. [2023-11-24 22:17:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:11,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:12,164 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 22:17:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 147 states and 254 transitions. [2023-11-24 22:17:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 254 transitions. [2023-11-24 22:17:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:14,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:14,355 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 22:17:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 148 states and 256 transitions. [2023-11-24 22:17:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 256 transitions. [2023-11-24 22:17:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:14,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:14,527 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 22:17:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 153 states and 282 transitions. [2023-11-24 22:17:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2023-11-24 22:17:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:16,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,240 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 22:17:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 154 states and 287 transitions. [2023-11-24 22:17:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 287 transitions. [2023-11-24 22:17:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:16,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,982 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 22:17:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 156 states and 293 transitions. [2023-11-24 22:17:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 293 transitions. [2023-11-24 22:17:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:18,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:18,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,411 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 22:17:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 157 states and 294 transitions. [2023-11-24 22:17:19,146 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 294 transitions. [2023-11-24 22:17:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:19,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:19,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:19,195 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 22:17:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 165 states and 307 transitions. [2023-11-24 22:17:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 307 transitions. [2023-11-24 22:17:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:21,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:22,000 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 22:17:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 172 states and 326 transitions. [2023-11-24 22:17:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 326 transitions. [2023-11-24 22:17:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:25,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.