./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_15x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_15x0-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b32326f1b997cecaa031e8ab338eea5ffa634c465fc73ccabccfc7d02b1e5cc1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:53:00,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:00,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:53:00,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:53:00,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:53:00,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:00,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:00,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:00,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:00,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:00,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:00,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:00,443 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:53:00,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:53:00,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:53:00,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:00,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:00,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:00,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:00,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:53:00,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:53:00,449 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:53:00,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:00,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:00,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:00,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:00,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:00,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:00,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:00,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:00,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:00,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:53:00,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:53:00,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:00,456 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_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b32326f1b997cecaa031e8ab338eea5ffa634c465fc73ccabccfc7d02b1e5cc1 [2023-11-11 23:53:00,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:00,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:00,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:00,787 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:00,790 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:00,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2023-11-11 23:53:03,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:04,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:04,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2023-11-11 23:53:04,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/data/51601916e/ca2f817068034e1ba0262e02d1dae423/FLAG518d3ec5c [2023-11-11 23:53:04,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/data/51601916e/ca2f817068034e1ba0262e02d1dae423 [2023-11-11 23:53:04,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:04,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:04,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:04,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:04,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:04,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74029ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04, skipping insertion in model container [2023-11-11 23:53:04,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:04,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:04,235 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:04,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:04,266 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:04,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04 WrapperNode [2023-11-11 23:53:04,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:04,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:04,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:04,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:04,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,307 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2023-11-11 23:53:04,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:04,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:04,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:04,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:04,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:04,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:04,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:04,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:04,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:04,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:04,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:04,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df82bee0-e079-4005-8380-e6b521e5ec29/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:53:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-11-11 23:53:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-11-11 23:53:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:53:04,477 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:04,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:04,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:04,654 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:04,654 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:53:04,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:04 BoogieIcfgContainer [2023-11-11 23:53:04,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:04,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:04,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:04,667 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:04,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:04" (1/1) ... [2023-11-11 23:53:04,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:53:04,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2023-11-11 23:53:04,752 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2023-11-11 23:53:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:53:04,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:04,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 30 transitions. [2023-11-11 23:53:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-11-11 23:53:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:53:05,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:05,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 29 transitions. [2023-11-11 23:53:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-11-11 23:53:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:53:05,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:05,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 34 transitions. [2023-11-11 23:53:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-11 23:53:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:53:05,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:05,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 42 transitions. [2023-11-11 23:53:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-11 23:53:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:53:06,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:06,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 43 transitions. [2023-11-11 23:53:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-11 23:53:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:53:06,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 53 transitions. [2023-11-11 23:53:07,234 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-11-11 23:53:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:07,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:07,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 57 transitions. [2023-11-11 23:53:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-11 23:53:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:53:07,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:07,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 68 transitions. [2023-11-11 23:53:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-11 23:53:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:53:08,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 79 transitions. [2023-11-11 23:53:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-11 23:53:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:53:09,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:10,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 93 transitions. [2023-11-11 23:53:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-11 23:53:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:53:10,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 97 transitions. [2023-11-11 23:53:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2023-11-11 23:53:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:53:11,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:11,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:12,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 101 transitions. [2023-11-11 23:53:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-11-11 23:53:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:53:12,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 116 transitions. [2023-11-11 23:53:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2023-11-11 23:53:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:53:13,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:13,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 131 transitions. [2023-11-11 23:53:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2023-11-11 23:53:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:53:14,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:14,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:15,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 92 states and 134 transitions. [2023-11-11 23:53:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-11-11 23:53:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:53:15,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:15,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 137 transitions. [2023-11-11 23:53:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-11 23:53:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:53:15,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 154 transitions. [2023-11-11 23:53:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2023-11-11 23:53:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:53:17,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 109 states and 171 transitions. [2023-11-11 23:53:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2023-11-11 23:53:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:53:18,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:18,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 113 states and 174 transitions. [2023-11-11 23:53:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 174 transitions. [2023-11-11 23:53:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:53:19,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:19,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 116 states and 177 transitions. [2023-11-11 23:53:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 177 transitions. [2023-11-11 23:53:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:53:20,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 123 states and 196 transitions. [2023-11-11 23:53:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 196 transitions. [2023-11-11 23:53:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:53:21,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 130 states and 215 transitions. [2023-11-11 23:53:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 215 transitions. [2023-11-11 23:53:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:53:23,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:23,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 218 transitions. [2023-11-11 23:53:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 218 transitions. [2023-11-11 23:53:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:53:24,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:24,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 62 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 137 states and 221 transitions. [2023-11-11 23:53:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2023-11-11 23:53:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:53:25,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:25,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 242 transitions. [2023-11-11 23:53:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 242 transitions. [2023-11-11 23:53:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:53:27,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:27,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 151 states and 263 transitions. [2023-11-11 23:53:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2023-11-11 23:53:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:53:29,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:29,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 155 states and 266 transitions. [2023-11-11 23:53:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 266 transitions. [2023-11-11 23:53:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:53:30,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:30,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 95 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 269 transitions. [2023-11-11 23:53:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 269 transitions. [2023-11-11 23:53:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:53:31,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 165 states and 292 transitions. [2023-11-11 23:53:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2023-11-11 23:53:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:53:34,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:34,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 172 states and 315 transitions. [2023-11-11 23:53:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 315 transitions. [2023-11-11 23:53:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-11 23:53:35,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:35,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 176 states and 318 transitions. [2023-11-11 23:53:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 318 transitions. [2023-11-11 23:53:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:53:37,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:37,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 135 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 179 states and 321 transitions. [2023-11-11 23:53:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 321 transitions. [2023-11-11 23:53:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:53:39,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:41,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 186 states and 346 transitions. [2023-11-11 23:53:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 346 transitions. [2023-11-11 23:53:41,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:53:41,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:41,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:43,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 193 states and 371 transitions. [2023-11-11 23:53:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 371 transitions. [2023-11-11 23:53:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-11 23:53:43,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:43,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 197 states and 374 transitions. [2023-11-11 23:53:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 374 transitions. [2023-11-11 23:53:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:53:45,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:45,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 182 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 377 transitions. [2023-11-11 23:53:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 377 transitions. [2023-11-11 23:53:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-11 23:53:47,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 207 states and 404 transitions. [2023-11-11 23:53:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 404 transitions. [2023-11-11 23:53:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-11 23:53:50,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 214 states and 431 transitions. [2023-11-11 23:53:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 431 transitions. [2023-11-11 23:53:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-11 23:53:52,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.