./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/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_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:24,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:24,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:09:24,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:24,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:24,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:24,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:24,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:24,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:24,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:24,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:24,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:24,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:24,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:24,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:24,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:24,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:24,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:24,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:24,329 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:24,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:24,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:24,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:24,331 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:24,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:24,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:24,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:24,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:24,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:24,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:24,336 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:24,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:24,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:24,337 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_79e704ee-6af4-420a-b187-d138d5151fd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b [2023-11-19 04:09:24,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:24,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:24,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:24,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:24,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:24,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2023-11-19 04:09:27,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:27,915 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:27,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2023-11-19 04:09:27,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/data/b29de2996/55283127349845d8b61dd4ddd9e98a26/FLAG27570f230 [2023-11-19 04:09:27,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/data/b29de2996/55283127349845d8b61dd4ddd9e98a26 [2023-11-19 04:09:27,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:27,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:27,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:27,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:27,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:27,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:27" (1/1) ... [2023-11-19 04:09:27,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a63347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:27, skipping insertion in model container [2023-11-19 04:09:27,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:27" (1/1) ... [2023-11-19 04:09:27,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:28,143 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2023-11-19 04:09:28,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:28,167 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:28,179 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2023-11-19 04:09:28,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:28,198 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:28,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28 WrapperNode [2023-11-19 04:09:28,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:28,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:28,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:28,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:28,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,230 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-19 04:09:28,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:28,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:28,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:28,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:28,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:28,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:28,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:28,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:28,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:28,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:28,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:28,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e704ee-6af4-420a-b187-d138d5151fd7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:09:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:09:28,413 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:28,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:28,552 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:28,571 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:28,571 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:28,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:28 BoogieIcfgContainer [2023-11-19 04:09:28,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:28,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:28,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:28,588 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:28,588 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 04:09:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 04:09:28,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:09:28,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:28,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:28,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,831 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 04:09:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 04:09:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 04:09:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:09:28,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:28,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:28,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 04:09:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 04:09:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:09:29,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:29,145 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 04:09:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-19 04:09:29,396 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 04:09:29,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:09:29,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 04:09:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 04:09:29,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:09:29,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-11-19 04:09:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-11-19 04:09:30,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:09:30,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:30,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:30,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:32,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-11-19 04:09:32,036 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-19 04:09:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:09:32,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:32,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:32,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:32,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2023-11-19 04:09:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2023-11-19 04:09:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:32,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:32,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:32,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:09:32,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2023-11-19 04:09:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2023-11-19 04:09:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:33,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:33,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2023-11-19 04:09:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2023-11-19 04:09:34,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:34,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:09:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2023-11-19 04:09:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2023-11-19 04:09:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:35,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:35,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:35,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:09:35,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2023-11-19 04:09:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2023-11-19 04:09:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:36,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:36,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:36,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2023-11-19 04:09:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2023-11-19 04:09:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:37,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:37,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:37,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:09:37,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:09:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2023-11-19 04:09:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2023-11-19 04:09:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:38,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:38,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:38,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:09:38,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:39,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 63 states and 145 transitions. [2023-11-19 04:09:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 145 transitions. [2023-11-19 04:09:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:39,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:39,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:39,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:09:39,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:09:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 146 transitions. [2023-11-19 04:09:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 146 transitions. [2023-11-19 04:09:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:40,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:09:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:41,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 147 transitions. [2023-11-19 04:09:41,178 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 147 transitions. [2023-11-19 04:09:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:41,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:41,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:09:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 69 states and 148 transitions. [2023-11-19 04:09:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 148 transitions. [2023-11-19 04:09:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:41,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2023-11-19 04:09:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2023-11-19 04:09:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:43,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:43,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:43,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:09:43,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2023-11-19 04:09:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2023-11-19 04:09:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:43,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:43,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:43,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:43,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:43,702 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 180 transitions. [2023-11-19 04:09:45,048 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 180 transitions. [2023-11-19 04:09:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:45,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:45,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:09:45,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:09:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 79 states and 181 transitions. [2023-11-19 04:09:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 181 transitions. [2023-11-19 04:09:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:45,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:45,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:45,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 83 states and 205 transitions. [2023-11-19 04:09:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 205 transitions. [2023-11-19 04:09:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:47,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:47,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:47,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:47,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 85 states and 206 transitions. [2023-11-19 04:09:48,406 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 206 transitions. [2023-11-19 04:09:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:48,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:48,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:48,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:48,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 87 states and 207 transitions. [2023-11-19 04:09:49,298 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 207 transitions. [2023-11-19 04:09:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:49,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:49,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:49,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:49,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 89 states and 208 transitions. [2023-11-19 04:09:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 208 transitions. [2023-11-19 04:09:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:50,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:50,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:50,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:50,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:51,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 93 states and 223 transitions. [2023-11-19 04:09:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 223 transitions. [2023-11-19 04:09:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:51,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:51,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:51,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 93 states and 222 transitions. [2023-11-19 04:09:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 222 transitions. [2023-11-19 04:09:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:52,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:52,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:52,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:52,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2023-11-19 04:09:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2023-11-19 04:09:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:09:52,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:52,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:52,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:09:52,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 04:09:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 97 states and 245 transitions. [2023-11-19 04:09:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 245 transitions. [2023-11-19 04:09:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:09:54,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:54,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:09:54,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 101 states and 273 transitions. [2023-11-19 04:09:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 273 transitions. [2023-11-19 04:09:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:09:56,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:56,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:56,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:09:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 103 states and 274 transitions. [2023-11-19 04:09:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 274 transitions. [2023-11-19 04:09:58,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:09:58,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:58,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:58,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:09:58,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 107 states and 291 transitions. [2023-11-19 04:10:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 291 transitions. [2023-11-19 04:10:00,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:10:00,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:00,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:00,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:10:00,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:10:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 109 states and 292 transitions. [2023-11-19 04:10:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 292 transitions. [2023-11-19 04:10:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:10:01,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:01,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:01,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:10:01,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:10:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 111 states and 293 transitions. [2023-11-19 04:10:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 293 transitions. [2023-11-19 04:10:02,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:10:02,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:02,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:02,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:10:02,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 04:10:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 113 states and 294 transitions. [2023-11-19 04:10:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 294 transitions. [2023-11-19 04:10:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:10:03,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:03,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:03,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:10:03,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 113 states and 293 transitions. [2023-11-19 04:10:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 293 transitions. [2023-11-19 04:10:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:10:04,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:04,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:04,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:10:04,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 04:10:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 115 states and 294 transitions. [2023-11-19 04:10:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 294 transitions. [2023-11-19 04:10:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:10:05,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:05,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:05,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:10:05,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 115 states and 293 transitions. [2023-11-19 04:10:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 293 transitions. [2023-11-19 04:10:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:10:06,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:06,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:10:06,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 115 states and 292 transitions. [2023-11-19 04:10:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 292 transitions. [2023-11-19 04:10:06,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:06,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:06,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:06,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:10:06,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:10:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 119 states and 320 transitions. [2023-11-19 04:10:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 320 transitions. [2023-11-19 04:10:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:09,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:09,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:09,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:10:09,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:10:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 121 states and 321 transitions. [2023-11-19 04:10:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 321 transitions. [2023-11-19 04:10:11,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:11,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:11,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:11,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:10:11,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:10:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 123 states and 322 transitions. [2023-11-19 04:10:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 322 transitions. [2023-11-19 04:10:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:12,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:12,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:12,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:10:12,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:16,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 131 states and 374 transitions. [2023-11-19 04:10:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 374 transitions. [2023-11-19 04:10:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:16,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:16,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:16,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:10:16,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:10:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 133 states and 375 transitions. [2023-11-19 04:10:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 375 transitions. [2023-11-19 04:10:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:17,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:17,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:17,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:10:17,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 133 states and 374 transitions. [2023-11-19 04:10:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 374 transitions. [2023-11-19 04:10:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:18,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:18,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:10:18,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:10:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 135 states and 375 transitions. [2023-11-19 04:10:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 375 transitions. [2023-11-19 04:10:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:10:19,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:19,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:19,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:10:19,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.