./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/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_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50a84ef689ee1e06fdacd72e7701ff2c38527734cebc573231d698f970fe37fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:46,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:47,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:59:47,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:47,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:47,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:47,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:47,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:47,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:47,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:47,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:47,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:47,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:47,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:47,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:47,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:47,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:47,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:47,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:47,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:47,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:47,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:47,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:47,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:47,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:47,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:47,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:47,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:47,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:47,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:47,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:47,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:47,117 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:47,117 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_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50a84ef689ee1e06fdacd72e7701ff2c38527734cebc573231d698f970fe37fd [2023-11-19 02:59:47,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:47,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:47,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:47,414 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:47,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:47,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c [2023-11-19 02:59:50,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:51,049 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:51,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/sv-benchmarks/c/eca-rers2012/Problem03_label40.c [2023-11-19 02:59:51,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/data/a1ef71cdc/3bfc8e7cdb6c4d629f9c5a908b364d82/FLAG488ba08d7 [2023-11-19 02:59:51,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/data/a1ef71cdc/3bfc8e7cdb6c4d629f9c5a908b364d82 [2023-11-19 02:59:51,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:51,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:51,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:51,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:51,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:51,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:51" (1/1) ... [2023-11-19 02:59:51,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fc3aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:51, skipping insertion in model container [2023-11-19 02:59:51,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:51" (1/1) ... [2023-11-19 02:59:51,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:51,888 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/sv-benchmarks/c/eca-rers2012/Problem03_label40.c[59070,59083] [2023-11-19 02:59:51,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:51,938 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:52,183 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/sv-benchmarks/c/eca-rers2012/Problem03_label40.c[59070,59083] [2023-11-19 02:59:52,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:52,216 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:52,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52 WrapperNode [2023-11-19 02:59:52,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:52,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:52,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:52,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:52,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,358 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772 [2023-11-19 02:59:52,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:52,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:52,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:52,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:52,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:52,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:52,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:52,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:52,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:52" (1/1) ... [2023-11-19 02:59:52,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:52,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:52,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:52,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226d1fcb-3d2c-4c42-8365-24cbdaa60a6b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:52,664 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:52,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:54,762 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:55,223 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:55,223 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:59:55,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:55 BoogieIcfgContainer [2023-11-19 02:59:55,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:55,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:55,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:55,252 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:55,253 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:55" (1/1) ... [2023-11-19 02:59:55,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:59:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2023-11-19 02:59:55,351 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2023-11-19 02:59:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 02:59:55,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:56,453 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 02:59:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 289 states and 522 transitions. [2023-11-19 02:59:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 522 transitions. [2023-11-19 02:59:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 02:59:57,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:57,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 293 states and 528 transitions. [2023-11-19 02:59:58,389 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 528 transitions. [2023-11-19 02:59:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 02:59:58,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 298 states and 536 transitions. [2023-11-19 02:59:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 536 transitions. [2023-11-19 02:59:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 02:59:59,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:01,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:01,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 440 states and 727 transitions. [2023-11-19 03:00:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 727 transitions. [2023-11-19 03:00:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 03:00:01,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:01,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 447 states and 738 transitions. [2023-11-19 03:00:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 738 transitions. [2023-11-19 03:00:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 03:00:01,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:01,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:03,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 458 states and 775 transitions. [2023-11-19 03:00:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 775 transitions. [2023-11-19 03:00:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 03:00:03,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:03,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 462 states and 780 transitions. [2023-11-19 03:00:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 780 transitions. [2023-11-19 03:00:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 03:00:03,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:03,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 471 states and 794 transitions. [2023-11-19 03:00:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 794 transitions. [2023-11-19 03:00:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 03:00:04,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:04,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:00:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 626 states and 1010 transitions. [2023-11-19 03:00:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1010 transitions. [2023-11-19 03:00:08,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 03:00:08,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:08,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 627 states and 1011 transitions. [2023-11-19 03:00:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1011 transitions. [2023-11-19 03:00:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 03:00:08,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:08,761 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:00:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 633 states and 1029 transitions. [2023-11-19 03:00:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1029 transitions. [2023-11-19 03:00:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 03:00:09,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:09,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:00:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:10,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 638 states and 1036 transitions. [2023-11-19 03:00:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1036 transitions. [2023-11-19 03:00:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 03:00:10,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:10,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 651 states and 1053 transitions. [2023-11-19 03:00:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1053 transitions. [2023-11-19 03:00:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 03:00:10,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:10,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 660 states and 1065 transitions. [2023-11-19 03:00:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1065 transitions. [2023-11-19 03:00:11,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 03:00:11,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:11,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:12,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 663 states and 1068 transitions. [2023-11-19 03:00:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1068 transitions. [2023-11-19 03:00:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 03:00:12,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:12,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 672 states and 1079 transitions. [2023-11-19 03:00:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1079 transitions. [2023-11-19 03:00:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 03:00:12,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:12,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 674 states and 1081 transitions. [2023-11-19 03:00:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1081 transitions. [2023-11-19 03:00:13,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 03:00:13,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 675 states and 1083 transitions. [2023-11-19 03:00:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1083 transitions. [2023-11-19 03:00:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 03:00:14,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:14,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 676 states and 1084 transitions. [2023-11-19 03:00:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1084 transitions. [2023-11-19 03:00:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 03:00:14,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:14,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:00:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 681 states and 1092 transitions. [2023-11-19 03:00:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1092 transitions. [2023-11-19 03:00:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 03:00:15,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:15,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:00:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 690 states and 1101 transitions. [2023-11-19 03:00:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1101 transitions. [2023-11-19 03:00:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 03:00:15,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:15,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:00:16,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 704 states and 1117 transitions. [2023-11-19 03:00:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1117 transitions. [2023-11-19 03:00:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 03:00:16,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:16,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:00:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 708 states and 1122 transitions. [2023-11-19 03:00:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1122 transitions. [2023-11-19 03:00:17,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 03:00:17,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:17,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 732 states and 1152 transitions. [2023-11-19 03:00:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1152 transitions. [2023-11-19 03:00:18,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 03:00:18,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:18,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:20,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 763 states and 1194 transitions. [2023-11-19 03:00:20,069 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1194 transitions. [2023-11-19 03:00:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 03:00:20,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:20,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:00:21,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 790 states and 1227 transitions. [2023-11-19 03:00:21,424 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1227 transitions. [2023-11-19 03:00:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 03:00:21,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:21,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:00:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 820 states and 1276 transitions. [2023-11-19 03:00:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1276 transitions. [2023-11-19 03:00:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 03:00:23,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:23,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 857 states and 1345 transitions. [2023-11-19 03:00:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1345 transitions. [2023-11-19 03:00:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 03:00:25,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:25,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 868 states and 1357 transitions. [2023-11-19 03:00:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1357 transitions. [2023-11-19 03:00:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 03:00:26,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:26,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 898 states and 1396 transitions. [2023-11-19 03:00:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1396 transitions. [2023-11-19 03:00:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 03:00:28,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:28,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 930 states and 1443 transitions. [2023-11-19 03:00:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1443 transitions. [2023-11-19 03:00:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 03:00:31,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:31,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 941 states and 1455 transitions. [2023-11-19 03:00:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1455 transitions. [2023-11-19 03:00:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 03:00:31,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 972 states and 1494 transitions. [2023-11-19 03:00:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1494 transitions. [2023-11-19 03:00:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 03:00:33,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:33,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.