./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:18,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:19,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:30:19,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:19,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:19,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:19,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:19,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:19,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:19,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:19,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:19,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:19,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:19,165 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:30:19,166 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:30:19,167 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:30:19,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:19,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:19,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:19,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:19,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:19,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:19,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:19,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:19,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:19,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:19,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:19,176 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:19,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:19,177 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_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-11-19 03:30:19,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:19,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:19,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:19,594 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:19,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:19,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 03:30:23,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:24,097 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:24,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 03:30:24,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/data/462f0451b/5021e1377e7b42508dc88846dd862ecc/FLAG3518218c6 [2023-11-19 03:30:24,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/data/462f0451b/5021e1377e7b42508dc88846dd862ecc [2023-11-19 03:30:24,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:24,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:24,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:24,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:24,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:24,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d911832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24, skipping insertion in model container [2023-11-19 03:30:24,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:25,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:25,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:25,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:25,738 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:25,748 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:25,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25 WrapperNode [2023-11-19 03:30:25,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:25,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:25,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:25,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:25,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:25,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,168 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6211 [2023-11-19 03:30:26,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:26,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:26,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:26,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:26,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:26,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:26,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:26,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:26,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:26,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:26,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:26,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:26,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e3fcd43-e3b3-4748-bf30-fddecb304edd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:30:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:30:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:30:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:30:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:30:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:30:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:26,848 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:26,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:33,297 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:37,074 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:37,075 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:30:37,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:37 BoogieIcfgContainer [2023-11-19 03:30:37,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:37,102 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:37,102 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:37,118 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:37,118 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:37" (1/1) ... [2023-11-19 03:30:37,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:37,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:37,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 4280 states and 5881 transitions. [2023-11-19 03:30:37,312 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5881 transitions. [2023-11-19 03:30:37,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:30:37,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:37,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 4279 states and 5880 transitions. [2023-11-19 03:30:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5880 transitions. [2023-11-19 03:30:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:30:37,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 4278 states and 5879 transitions. [2023-11-19 03:30:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 5879 transitions. [2023-11-19 03:30:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:30:38,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5877 states to 4277 states and 5877 transitions. [2023-11-19 03:30:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4277 states and 5877 transitions. [2023-11-19 03:30:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:30:38,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:38,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5876 states to 4276 states and 5876 transitions. [2023-11-19 03:30:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 5876 transitions. [2023-11-19 03:30:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:38,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5875 states to 4275 states and 5875 transitions. [2023-11-19 03:30:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 5875 transitions. [2023-11-19 03:30:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:38,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 4278 states and 5880 transitions. [2023-11-19 03:30:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 5880 transitions. [2023-11-19 03:30:38,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:38,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:38,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 4277 states and 5879 transitions. [2023-11-19 03:30:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 4277 states and 5879 transitions. [2023-11-19 03:30:39,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:30:39,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:39,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 4278 states and 5880 transitions. [2023-11-19 03:30:39,207 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 5880 transitions. [2023-11-19 03:30:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:39,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:39,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:39,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5882 states to 4279 states and 5882 transitions. [2023-11-19 03:30:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5882 transitions. [2023-11-19 03:30:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:39,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 4280 states and 5884 transitions. [2023-11-19 03:30:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5884 transitions. [2023-11-19 03:30:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:39,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:39,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5882 states to 4279 states and 5882 transitions. [2023-11-19 03:30:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5882 transitions. [2023-11-19 03:30:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:30:40,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 4278 states and 5881 transitions. [2023-11-19 03:30:40,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 5881 transitions. [2023-11-19 03:30:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:40,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5883 states to 4279 states and 5883 transitions. [2023-11-19 03:30:40,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5883 transitions. [2023-11-19 03:30:40,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:30:40,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 4280 states and 5884 transitions. [2023-11-19 03:30:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5884 transitions. [2023-11-19 03:30:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:40,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5883 states to 4279 states and 5883 transitions. [2023-11-19 03:30:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5883 transitions. [2023-11-19 03:30:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:40,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5882 states to 4278 states and 5882 transitions. [2023-11-19 03:30:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 5882 transitions. [2023-11-19 03:30:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:40,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:41,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 4277 states and 5881 transitions. [2023-11-19 03:30:41,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4277 states and 5881 transitions. [2023-11-19 03:30:41,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:41,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:41,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 4280 states and 5884 transitions. [2023-11-19 03:30:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5884 transitions. [2023-11-19 03:30:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:41,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:41,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5887 states to 4282 states and 5887 transitions. [2023-11-19 03:30:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4282 states and 5887 transitions. [2023-11-19 03:30:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:30:42,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:42,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5885 states to 4282 states and 5885 transitions. [2023-11-19 03:30:42,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4282 states and 5885 transitions. [2023-11-19 03:30:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:30:42,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:42,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 4282 states and 5881 transitions. [2023-11-19 03:30:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 4282 states and 5881 transitions. [2023-11-19 03:30:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:42,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:42,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 4282 states and 5879 transitions. [2023-11-19 03:30:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 4282 states and 5879 transitions. [2023-11-19 03:30:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:42,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:30:42,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:42,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 03:30:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5883 states to 4284 states and 5883 transitions. [2023-11-19 03:30:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4284 states and 5883 transitions. [2023-11-19 03:30:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:30:42,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:42,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:42,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:30:42,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:42,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5891 states to 4289 states and 5891 transitions. [2023-11-19 03:30:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 5891 transitions. [2023-11-19 03:30:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:43,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:43,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:43,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:43,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5897 states to 4291 states and 5897 transitions. [2023-11-19 03:30:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 5897 transitions. [2023-11-19 03:30:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:44,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:44,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:44,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:44,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5896 states to 4290 states and 5896 transitions. [2023-11-19 03:30:44,438 INFO L276 IsEmpty]: Start isEmpty. Operand 4290 states and 5896 transitions. [2023-11-19 03:30:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:30:44,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:44,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:44,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:44,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:44,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5897 states to 4291 states and 5897 transitions. [2023-11-19 03:30:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 5897 transitions. [2023-11-19 03:30:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:44,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:44,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:45,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:45,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5896 states to 4290 states and 5896 transitions. [2023-11-19 03:30:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4290 states and 5896 transitions. [2023-11-19 03:30:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:30:45,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:45,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:45,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:45,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5898 states to 4291 states and 5898 transitions. [2023-11-19 03:30:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 5898 transitions. [2023-11-19 03:30:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:45,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:45,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:45,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:45,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5904 states to 4294 states and 5904 transitions. [2023-11-19 03:30:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 5904 transitions. [2023-11-19 03:30:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:46,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:46,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:46,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 4293 states and 5903 transitions. [2023-11-19 03:30:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 5903 transitions. [2023-11-19 03:30:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:30:46,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:46,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:46,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:46,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:46,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5905 states to 4294 states and 5905 transitions. [2023-11-19 03:30:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 5905 transitions. [2023-11-19 03:30:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:47,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:47,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5904 states to 4293 states and 5904 transitions. [2023-11-19 03:30:47,399 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 5904 transitions. [2023-11-19 03:30:47,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:30:47,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:47,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:47,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:47,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:47,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5906 states to 4294 states and 5906 transitions. [2023-11-19 03:30:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 5906 transitions. [2023-11-19 03:30:48,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:48,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:48,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 4297 states and 5910 transitions. [2023-11-19 03:30:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 4297 states and 5910 transitions. [2023-11-19 03:30:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:48,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:48,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5909 states to 4296 states and 5909 transitions. [2023-11-19 03:30:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 5909 transitions. [2023-11-19 03:30:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:30:48,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:48,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:48,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:48,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5911 states to 4297 states and 5911 transitions. [2023-11-19 03:30:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4297 states and 5911 transitions. [2023-11-19 03:30:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:49,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:49,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:49,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:49,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 4296 states and 5910 transitions. [2023-11-19 03:30:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 5910 transitions. [2023-11-19 03:30:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:30:49,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:49,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:49,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:49,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:49,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 4297 states and 5912 transitions. [2023-11-19 03:30:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4297 states and 5912 transitions. [2023-11-19 03:30:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:30:50,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:50,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:50,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:50,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5916 states to 4300 states and 5916 transitions. [2023-11-19 03:30:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 5916 transitions. [2023-11-19 03:30:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:30:50,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:50,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:50,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:50,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5915 states to 4299 states and 5915 transitions. [2023-11-19 03:30:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 5915 transitions. [2023-11-19 03:30:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:30:50,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:50,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:50,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:50,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5917 states to 4300 states and 5917 transitions. [2023-11-19 03:30:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 5917 transitions. [2023-11-19 03:30:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:30:51,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:51,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:51,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:51,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5916 states to 4299 states and 5916 transitions. [2023-11-19 03:30:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 5916 transitions. [2023-11-19 03:30:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:30:51,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:51,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:51,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:51,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:51,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5918 states to 4300 states and 5918 transitions. [2023-11-19 03:30:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 5918 transitions. [2023-11-19 03:30:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:30:52,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:52,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 4303 states and 5922 transitions. [2023-11-19 03:30:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 5922 transitions. [2023-11-19 03:30:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:30:52,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:52,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:52,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5921 states to 4302 states and 5921 transitions. [2023-11-19 03:30:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 4302 states and 5921 transitions. [2023-11-19 03:30:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:30:52,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:52,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:52,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:52,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:52,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5923 states to 4303 states and 5923 transitions. [2023-11-19 03:30:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 5923 transitions. [2023-11-19 03:30:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:30:53,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:53,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:53,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 4302 states and 5922 transitions. [2023-11-19 03:30:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4302 states and 5922 transitions. [2023-11-19 03:30:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:30:53,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:53,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:53,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:53,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:53,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5924 states to 4303 states and 5924 transitions. [2023-11-19 03:30:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 5924 transitions. [2023-11-19 03:30:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:54,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:54,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:54,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 4306 states and 5928 transitions. [2023-11-19 03:30:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4306 states and 5928 transitions. [2023-11-19 03:30:54,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:54,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:54,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:54,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:30:54,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 4305 states and 5927 transitions. [2023-11-19 03:30:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 5927 transitions. [2023-11-19 03:30:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:30:54,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:54,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:54,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:30:54,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:54,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5929 states to 4306 states and 5929 transitions. [2023-11-19 03:30:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4306 states and 5929 transitions. [2023-11-19 03:30:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:30:55,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:55,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:30:55,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5933 states to 4309 states and 5933 transitions. [2023-11-19 03:30:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 5933 transitions. [2023-11-19 03:30:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:30:55,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:55,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:55,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:30:55,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:55,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 03:30:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5951 states to 4325 states and 5951 transitions. [2023-11-19 03:30:56,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5951 transitions. [2023-11-19 03:30:56,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:30:56,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:56,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:56,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:30:56,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:56,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:30:56,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:30:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 4341 states and 5976 transitions. [2023-11-19 03:30:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 5976 transitions. [2023-11-19 03:30:57,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:30:57,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:57,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:30:57,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:30:57,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:07,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:31:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 4341 states and 5974 transitions. [2023-11-19 03:31:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 5974 transitions. [2023-11-19 03:31:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:31:07,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:31:07,721 INFO L285 TraceCheckSpWp]: Computing forward predicates...