./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.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_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/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_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/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_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/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 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:32,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:32,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:54:32,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:32,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:32,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:32,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:32,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:32,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:32,936 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:32,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:32,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:32,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:32,941 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:54:32,941 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:54:32,942 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:54:32,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:32,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:32,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:32,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:32,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:32,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:32,945 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:32,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:32,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:32,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:32,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:32,950 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:32,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:32,951 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_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2023-11-24 22:54:33,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:33,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:33,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:33,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:33,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:33,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2023-11-24 22:54:36,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:37,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:37,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2023-11-24 22:54:37,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/data/ae5d30ba1/39ea0d3472904afbb013646affe02e33/FLAGa47da9b63 [2023-11-24 22:54:37,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/data/ae5d30ba1/39ea0d3472904afbb013646affe02e33 [2023-11-24 22:54:37,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:37,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:37,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:37,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:37,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:37,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca40528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37, skipping insertion in model container [2023-11-24 22:54:37,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:37,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:37,827 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:37,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:37,936 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:37,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37 WrapperNode [2023-11-24 22:54:37,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:37,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:37,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:37,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:37,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:37,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,036 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 142 [2023-11-24 22:54:38,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:38,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:38,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:38,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:38,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:38,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:38,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:38,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:38,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:37" (1/1) ... [2023-11-24 22:54:38,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:38,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:38,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:38,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d56a51-2c79-4013-a2e0-bb8b1b28c6f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:54:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:54:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:54:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:54:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:54:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:38,368 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:38,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:38,798 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:38,894 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:38,895 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:54:38,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:38 BoogieIcfgContainer [2023-11-24 22:54:38,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:38,899 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:38,899 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:38,909 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:38,910 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2023-11-24 22:54:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2023-11-24 22:54:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:38,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,253 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 22:54:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 87 states and 97 transitions. [2023-11-24 22:54:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2023-11-24 22:54:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:39,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,497 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 22:54:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2023-11-24 22:54:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2023-11-24 22:54:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:39,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,709 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 22:54:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 85 states and 95 transitions. [2023-11-24 22:54:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2023-11-24 22:54:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:39,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,866 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 22:54:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 84 states and 94 transitions. [2023-11-24 22:54:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-24 22:54:39,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:39,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,065 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 22:54:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 85 states and 95 transitions. [2023-11-24 22:54:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2023-11-24 22:54:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:40,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,358 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 22:54:40,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 84 states and 94 transitions. [2023-11-24 22:54:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-24 22:54:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:40,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,517 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 22:54:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2023-11-24 22:54:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2023-11-24 22:54:40,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:40,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,615 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 22:54:40,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2023-11-24 22:54:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-11-24 22:54:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:40,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,734 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 22:54:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2023-11-24 22:54:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2023-11-24 22:54:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:40,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,883 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 22:54:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2023-11-24 22:54:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-11-24 22:54:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:40,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,105 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 22:54:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-24 22:54:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-24 22:54:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:41,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-24 22:54:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-24 22:54:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:42,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,589 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 22:54:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2023-11-24 22:54:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2023-11-24 22:54:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:43,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2023-11-24 22:54:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2023-11-24 22:54:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:46,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:47,179 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 22:54:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 106 transitions. [2023-11-24 22:54:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2023-11-24 22:54:50,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:50,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:54,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2023-11-24 22:54:54,249 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2023-11-24 22:54:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:54,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 99 states and 125 transitions. [2023-11-24 22:54:57,459 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2023-11-24 22:54:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:57,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 132 transitions. [2023-11-24 22:55:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2023-11-24 22:55:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:55:02,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 136 transitions. [2023-11-24 22:55:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2023-11-24 22:55:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:55:02,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2023-11-24 22:55:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2023-11-24 22:55:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:04,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 140 transitions. [2023-11-24 22:55:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2023-11-24 22:55:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:05,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 107 states and 143 transitions. [2023-11-24 22:55:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2023-11-24 22:55:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:05,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 108 states and 145 transitions. [2023-11-24 22:55:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-24 22:55:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:05,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 109 states and 146 transitions. [2023-11-24 22:55:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 146 transitions. [2023-11-24 22:55:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:07,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2023-11-24 22:55:11,152 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2023-11-24 22:55:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:11,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:11,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:13,222 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 22:55:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 101 states and 136 transitions. [2023-11-24 22:55:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2023-11-24 22:55:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:25,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.