./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/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_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/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_28d4bb82-f515-4a0d-94d1-5d29362f9779/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 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:07,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:07,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:03:07,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:07,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:07,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:07,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:07,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:07,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:07,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:07,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:07,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:07,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:07,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:07,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:07,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:07,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:07,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:07,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:07,332 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:03:07,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:03:07,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:07,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:07,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:07,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:07,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:07,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:07,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:07,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:07,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:07,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:07,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:07,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:07,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:07,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:07,341 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_28d4bb82-f515-4a0d-94d1-5d29362f9779/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 [2023-11-19 03:03:07,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:07,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:07,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:07,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:07,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:07,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-19 03:03:10,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:10,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:10,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-19 03:03:10,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/data/44f7d1ad4/b453456d1ed246c185ab46b408e88a33/FLAGf968b2d65 [2023-11-19 03:03:10,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/data/44f7d1ad4/b453456d1ed246c185ab46b408e88a33 [2023-11-19 03:03:10,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:10,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:10,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:10,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:10,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:10,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:10" (1/1) ... [2023-11-19 03:03:10,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10735ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:10, skipping insertion in model container [2023-11-19 03:03:10,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:10" (1/1) ... [2023-11-19 03:03:10,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:11,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:11,220 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:11,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:11,263 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:11,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11 WrapperNode [2023-11-19 03:03:11,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:11,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:11,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:11,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:11,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,321 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-19 03:03:11,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:11,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:11,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:11,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:11,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:11,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:11,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:11,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:11,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:11,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:11,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:11,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d4bb82-f515-4a0d-94d1-5d29362f9779/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:11,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:03:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:03:11,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:11,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:11,524 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:11,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:11,779 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:11,819 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:11,820 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:03:11,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:11 BoogieIcfgContainer [2023-11-19 03:03:11,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:11,826 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:11,826 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:11,836 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:11,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:11" (1/1) ... [2023-11-19 03:03:11,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-19 03:03:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-19 03:03:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:03:11,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:11,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:12,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:03:12,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-19 03:03:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-19 03:03:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:03:12,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:12,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:03:12,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-19 03:03:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-19 03:03:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:13,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:13,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:13,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-19 03:03:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-19 03:03:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:03:13,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:13,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:13,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:13,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-19 03:03:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-19 03:03:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:03:14,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:14,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:14,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:03:14,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-19 03:03:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-19 03:03:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:15,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:15,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:03:15,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 89 transitions. [2023-11-19 03:03:15,456 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-19 03:03:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:03:15,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:15,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:15,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 94 transitions. [2023-11-19 03:03:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-19 03:03:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:15,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:15,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:15,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 93 transitions. [2023-11-19 03:03:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-19 03:03:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:15,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:15,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:15,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:15,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 110 transitions. [2023-11-19 03:03:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-11-19 03:03:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:17,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:17,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:17,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:17,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 113 transitions. [2023-11-19 03:03:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-11-19 03:03:17,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:17,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:17,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:17,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:17,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 129 transitions. [2023-11-19 03:03:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-19 03:03:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:19,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:19,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:19,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 134 transitions. [2023-11-19 03:03:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-11-19 03:03:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:19,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:19,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:19,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:19,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 138 transitions. [2023-11-19 03:03:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-19 03:03:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:20,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:20,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:21,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:21,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 157 transitions. [2023-11-19 03:03:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-11-19 03:03:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:23,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:23,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:23,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:23,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 178 transitions. [2023-11-19 03:03:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2023-11-19 03:03:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:27,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:27,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:27,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 188 transitions. [2023-11-19 03:03:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-11-19 03:03:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:03:27,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:27,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:27,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:27,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:28,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:28,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 193 transitions. [2023-11-19 03:03:28,579 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-11-19 03:03:28,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:03:28,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:28,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:28,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:28,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 196 transitions. [2023-11-19 03:03:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-11-19 03:03:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:03:29,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:29,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:03:29,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 222 transitions. [2023-11-19 03:03:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 222 transitions. [2023-11-19 03:03:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:03:31,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:31,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:31,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 223 transitions. [2023-11-19 03:03:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-11-19 03:03:32,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:03:32,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:32,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:03:32,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 152 states and 254 transitions. [2023-11-19 03:03:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 254 transitions. [2023-11-19 03:03:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:35,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:35,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:35,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:03:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 156 states and 259 transitions. [2023-11-19 03:03:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2023-11-19 03:03:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:36,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:36,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:36,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:36,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:03:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 159 states and 262 transitions. [2023-11-19 03:03:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2023-11-19 03:03:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:36,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:36,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:03:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 166 states and 270 transitions. [2023-11-19 03:03:38,128 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 270 transitions. [2023-11-19 03:03:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:03:38,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:38,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:38,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:03:38,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 176 states and 293 transitions. [2023-11-19 03:03:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 293 transitions. [2023-11-19 03:03:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:03:42,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:42,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:42,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:42,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 187 states and 314 transitions. [2023-11-19 03:03:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 314 transitions. [2023-11-19 03:03:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:03:46,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:46,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:46,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:46,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 190 states and 317 transitions. [2023-11-19 03:03:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 317 transitions. [2023-11-19 03:03:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:47,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:47,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:03:47,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:52,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 201 states and 349 transitions. [2023-11-19 03:03:52,691 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 349 transitions. [2023-11-19 03:03:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:52,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:52,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:52,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:03:52,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 205 states and 355 transitions. [2023-11-19 03:03:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 355 transitions. [2023-11-19 03:03:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:55,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:55,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:55,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:55,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:04:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 216 states and 377 transitions. [2023-11-19 03:04:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 377 transitions. [2023-11-19 03:04:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:04:03,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:03,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:03,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:03,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:04:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 219 states and 380 transitions. [2023-11-19 03:04:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 380 transitions. [2023-11-19 03:04:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:04:04,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:04,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:04,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:04:04,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:04,949 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.