./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/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_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL --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 cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:17,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:18,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:46:18,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:18,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:18,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:18,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:18,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:18,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:18,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:18,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:18,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:18,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:18,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:18,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:18,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:18,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:18,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:18,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:18,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:46:18,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:46:18,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:18,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:18,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:18,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:18,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:18,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:18,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:18,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:18,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:18,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:18,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:18,185 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:18,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:18,185 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:18,185 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_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d [2023-11-19 02:46:18,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:18,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:18,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:18,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:18,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:18,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-11-19 02:46:21,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:21,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:21,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-11-19 02:46:21,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/data/94f3b571b/40c9a81135304610bf176875c8d41418/FLAG1604110fd [2023-11-19 02:46:21,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/data/94f3b571b/40c9a81135304610bf176875c8d41418 [2023-11-19 02:46:21,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:21,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:21,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:21,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:21,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:21,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:21" (1/1) ... [2023-11-19 02:46:21,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df6bf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:21, skipping insertion in model container [2023-11-19 02:46:21,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:21" (1/1) ... [2023-11-19 02:46:21,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:22,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:22,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:22,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:22,204 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:22,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22 WrapperNode [2023-11-19 02:46:22,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:22,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:22,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:22,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:22,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,246 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-19 02:46:22,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:22,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:22,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:22,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:22,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:22,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:22,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:22,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:22,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:22,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:22,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:22,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bef85f-3a3b-4ff8-8107-c0bf0cdaf63f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:46:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:46:22,449 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:22,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:22,709 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:22,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:22,757 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:46:22,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:22 BoogieIcfgContainer [2023-11-19 02:46:22,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:22,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:22,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:22,774 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:22,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 02:46:22,846 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 02:46:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:46:22,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:22,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:23,120 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 02:46:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 02:46:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 02:46:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:46:23,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:23,266 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 02:46:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-19 02:46:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-19 02:46:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:46:23,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 02:46:23,399 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 02:46:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:46:23,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:23,520 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 02:46:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-19 02:46:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-19 02:46:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:46:23,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-19 02:46:23,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-19 02:46:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:46:23,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:23,982 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 02:46:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2023-11-19 02:46:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2023-11-19 02:46:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:46:24,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:24,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2023-11-19 02:46:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2023-11-19 02:46:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:46:24,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 02:46:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 02:46:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:46:24,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:24,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2023-11-19 02:46:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2023-11-19 02:46:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:46:24,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:24,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:25,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2023-11-19 02:46:25,435 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-19 02:46:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:46:25,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-11-19 02:46:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-11-19 02:46:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:46:25,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:46:25,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-19 02:46:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-19 02:46:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:46:26,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:26,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:26,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:46:26,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2023-11-19 02:46:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2023-11-19 02:46:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:46:27,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2023-11-19 02:46:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2023-11-19 02:46:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:46:27,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2023-11-19 02:46:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2023-11-19 02:46:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:46:27,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:28,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2023-11-19 02:46:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-19 02:46:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:46:28,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,558 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2023-11-19 02:46:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2023-11-19 02:46:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:46:28,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-11-19 02:46:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-11-19 02:46:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:46:28,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:46:28,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 121 transitions. [2023-11-19 02:46:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-11-19 02:46:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:46:29,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:29,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 77 states and 117 transitions. [2023-11-19 02:46:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2023-11-19 02:46:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:46:30,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:30,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2023-11-19 02:46:30,702 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2023-11-19 02:46:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:46:30,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:30,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2023-11-19 02:46:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2023-11-19 02:46:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:46:31,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:31,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 82 states and 129 transitions. [2023-11-19 02:46:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2023-11-19 02:46:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:46:31,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:31,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2023-11-19 02:46:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-19 02:46:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:46:32,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:32,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2023-11-19 02:46:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-19 02:46:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:46:32,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:32,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2023-11-19 02:46:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2023-11-19 02:46:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:46:33,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:33,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:33,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:33,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2023-11-19 02:46:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2023-11-19 02:46:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:46:33,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:33,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 95 states and 151 transitions. [2023-11-19 02:46:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2023-11-19 02:46:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:46:34,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:34,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2023-11-19 02:46:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2023-11-19 02:46:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:34,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:34,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 148 transitions. [2023-11-19 02:46:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2023-11-19 02:46:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:46:35,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:35,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 99 states and 151 transitions. [2023-11-19 02:46:36,152 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2023-11-19 02:46:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:46:36,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:36,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:36,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:46:36,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 107 states and 165 transitions. [2023-11-19 02:46:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2023-11-19 02:46:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:46:36,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:36,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 173 transitions. [2023-11-19 02:46:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2023-11-19 02:46:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:46:37,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:37,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 166 transitions. [2023-11-19 02:46:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2023-11-19 02:46:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:38,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,341 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 169 transitions. [2023-11-19 02:46:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2023-11-19 02:46:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:38,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 172 transitions. [2023-11-19 02:46:39,350 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 172 transitions. [2023-11-19 02:46:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:39,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:39,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 113 states and 181 transitions. [2023-11-19 02:46:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 181 transitions. [2023-11-19 02:46:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:46:39,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:39,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:40,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 113 states and 173 transitions. [2023-11-19 02:46:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions. [2023-11-19 02:46:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:46:40,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:46:40,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 118 states and 181 transitions. [2023-11-19 02:46:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 181 transitions. [2023-11-19 02:46:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:46:41,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:41,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 119 states and 184 transitions. [2023-11-19 02:46:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2023-11-19 02:46:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:46:42,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 122 states and 187 transitions. [2023-11-19 02:46:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2023-11-19 02:46:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:46:42,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:42,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 125 states and 192 transitions. [2023-11-19 02:46:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 192 transitions. [2023-11-19 02:46:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:43,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:43,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 126 states and 202 transitions. [2023-11-19 02:46:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 202 transitions. [2023-11-19 02:46:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:43,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:43,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 126 states and 193 transitions. [2023-11-19 02:46:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 193 transitions. [2023-11-19 02:46:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:46:44,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:44,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:46:44,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 131 states and 201 transitions. [2023-11-19 02:46:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2023-11-19 02:46:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:46:45,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:45,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 132 states and 204 transitions. [2023-11-19 02:46:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 204 transitions. [2023-11-19 02:46:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:46:46,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:46,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 135 states and 207 transitions. [2023-11-19 02:46:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2023-11-19 02:46:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:46:46,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:46,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:46,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:46:46,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 138 states and 212 transitions. [2023-11-19 02:46:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2023-11-19 02:46:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:46:47,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:47,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 139 states and 223 transitions. [2023-11-19 02:46:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2023-11-19 02:46:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:46:47,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:47,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 139 states and 213 transitions. [2023-11-19 02:46:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2023-11-19 02:46:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:49,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:49,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:49,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:46:49,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 147 states and 228 transitions. [2023-11-19 02:46:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 228 transitions. [2023-11-19 02:46:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:46:51,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:51,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 148 states and 231 transitions. [2023-11-19 02:46:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 231 transitions. [2023-11-19 02:46:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:46:52,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:52,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 151 states and 234 transitions. [2023-11-19 02:46:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 234 transitions. [2023-11-19 02:46:53,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:46:53,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:53,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 152 states and 246 transitions. [2023-11-19 02:46:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 246 transitions. [2023-11-19 02:46:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:46:53,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:53,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 152 states and 235 transitions. [2023-11-19 02:46:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2023-11-19 02:46:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:54,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:56,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 153 states and 238 transitions. [2023-11-19 02:46:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2023-11-19 02:46:56,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:56,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:56,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 156 states and 241 transitions. [2023-11-19 02:46:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2023-11-19 02:46:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:46:56,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:56,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:56,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:46:56,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 161 states and 249 transitions. [2023-11-19 02:46:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2023-11-19 02:46:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:46:57,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 162 states and 262 transitions. [2023-11-19 02:46:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2023-11-19 02:46:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:46:57,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:57,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 162 states and 250 transitions. [2023-11-19 02:46:59,496 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 250 transitions. [2023-11-19 02:46:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:46:59,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:59,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:59,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 165 states and 255 transitions. [2023-11-19 02:47:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 255 transitions. [2023-11-19 02:47:00,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:47:00,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:00,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 166 states and 258 transitions. [2023-11-19 02:47:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 258 transitions. [2023-11-19 02:47:01,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:47:01,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:01,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 169 states and 261 transitions. [2023-11-19 02:47:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 261 transitions. [2023-11-19 02:47:02,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:47:02,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:02,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:02,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:47:02,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 9 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2023-11-19 02:47:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-19 02:47:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:47:04,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:04,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 178 states and 290 transitions. [2023-11-19 02:47:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions. [2023-11-19 02:47:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:47:04,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 342 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.