./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/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_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/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_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/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 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:41,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:42,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:54:42,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:42,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:42,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:42,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:42,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:42,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:42,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:42,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:42,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:42,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:42,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:42,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:42,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:42,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:42,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:42,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:42,086 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:42,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:42,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:42,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:42,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:42,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:42,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:42,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:42,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:42,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:42,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:42,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:42,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:42,093 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:42,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:42,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:42,094 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_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 [2023-11-19 02:54:42,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:42,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:42,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:42,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:42,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:42,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2023-11-19 02:54:45,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:46,044 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:46,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2023-11-19 02:54:46,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/data/76a2535ad/a8baa55fe1894fcfa7a814e775dfc978/FLAGdfd8e274c [2023-11-19 02:54:46,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/data/76a2535ad/a8baa55fe1894fcfa7a814e775dfc978 [2023-11-19 02:54:46,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:46,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:46,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:46,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:46,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:46,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5edbd522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46, skipping insertion in model container [2023-11-19 02:54:46,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:46,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:46,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:46,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:46,334 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:46,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46 WrapperNode [2023-11-19 02:54:46,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:46,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:46,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:46,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:46,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,385 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-19 02:54:46,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:46,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:46,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:46,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:46,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:46,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:46,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:46,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:46,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:46" (1/1) ... [2023-11-19 02:54:46,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:46,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:46,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:46,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6ad45fb-dcae-4b4d-ba65-fdd527b629f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:46,621 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:46,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:46,963 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:47,037 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:47,037 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:54:47,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:47 BoogieIcfgContainer [2023-11-19 02:54:47,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:47,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:47,046 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:47,058 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:47,058 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-19 02:54:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-19 02:54:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:54:47,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-19 02:54:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-19 02:54:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:54:47,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-19 02:54:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-19 02:54:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:54:47,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-19 02:54:47,632 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-19 02:54:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:54:47,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-19 02:54:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-19 02:54:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:54:47,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-19 02:54:47,912 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-19 02:54:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:54:47,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-19 02:54:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-19 02:54:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:54:48,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:48,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:48,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:48,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-19 02:54:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-19 02:54:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:54:48,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:48,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:48,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:48,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-19 02:54:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-19 02:54:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:49,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:49,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:49,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:49,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-19 02:54:49,257 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-19 02:54:49,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:49,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:49,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:49,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:49,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-19 02:54:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-19 02:54:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:49,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:49,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:49,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:49,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-19 02:54:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-19 02:54:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:49,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:49,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:49,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:49,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-19 02:54:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-19 02:54:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:50,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:50,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:50,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:50,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 135 transitions. [2023-11-19 02:54:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-11-19 02:54:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:51,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:51,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:51,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:51,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 148 transitions. [2023-11-19 02:54:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2023-11-19 02:54:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:54:51,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:51,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:51,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:51,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 161 transitions. [2023-11-19 02:54:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2023-11-19 02:54:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:54:52,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:52,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:52,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:52,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 173 transitions. [2023-11-19 02:54:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-19 02:54:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:53,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:53,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:53,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:53,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 128 states and 172 transitions. [2023-11-19 02:54:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2023-11-19 02:54:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:53,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:53,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:53,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 135 states and 184 transitions. [2023-11-19 02:54:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-19 02:54:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:54,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:54,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:54,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 194 transitions. [2023-11-19 02:54:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2023-11-19 02:54:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:54,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:54,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:54,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:54,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 208 transitions. [2023-11-19 02:54:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-19 02:54:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:54:55,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:55,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:55,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:55,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 207 transitions. [2023-11-19 02:54:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-19 02:54:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:54:56,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:56,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:56,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:56,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 157 states and 217 transitions. [2023-11-19 02:54:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-19 02:54:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:54:58,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:58,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 161 states and 225 transitions. [2023-11-19 02:54:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-19 02:54:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:54:58,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:58,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 165 states and 228 transitions. [2023-11-19 02:54:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-19 02:54:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:54:58,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:58,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 170 states and 235 transitions. [2023-11-19 02:54:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-19 02:54:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:54:59,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:59,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:59,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 238 transitions. [2023-11-19 02:55:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-19 02:55:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:55:00,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:00,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:00,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:00,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 175 states and 242 transitions. [2023-11-19 02:55:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-19 02:55:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:55:00,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:00,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:00,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:00,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 178 states and 249 transitions. [2023-11-19 02:55:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-19 02:55:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:55:02,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:02,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:02,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 192 states and 264 transitions. [2023-11-19 02:55:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-19 02:55:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:55:03,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:03,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:03,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:03,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 296 transitions. [2023-11-19 02:55:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-19 02:55:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:55:04,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:04,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:04,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:04,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:04,879 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 02:55:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 209 states and 295 transitions. [2023-11-19 02:55:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 295 transitions. [2023-11-19 02:55:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:55:05,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:05,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:05,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:05,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 213 states and 304 transitions. [2023-11-19 02:55:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 304 transitions. [2023-11-19 02:55:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:55:05,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:05,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:05,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:05,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:55:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 311 transitions. [2023-11-19 02:55:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 311 transitions. [2023-11-19 02:55:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:55:06,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:06,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:06,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:06,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:07,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 227 states and 330 transitions. [2023-11-19 02:55:07,766 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 330 transitions. [2023-11-19 02:55:07,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:55:07,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:07,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:07,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:07,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 233 states and 340 transitions. [2023-11-19 02:55:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 340 transitions. [2023-11-19 02:55:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:55:08,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:08,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:08,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:08,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 244 states and 359 transitions. [2023-11-19 02:55:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2023-11-19 02:55:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:55:10,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:10,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:10,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:10,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 249 states and 369 transitions. [2023-11-19 02:55:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 369 transitions. [2023-11-19 02:55:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:55:10,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:10,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:10,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 254 states and 374 transitions. [2023-11-19 02:55:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 374 transitions. [2023-11-19 02:55:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:55:11,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:11,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:11,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:11,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:12,073 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 259 states and 382 transitions. [2023-11-19 02:55:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 382 transitions. [2023-11-19 02:55:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:55:12,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:12,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:12,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:12,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 262 states and 392 transitions. [2023-11-19 02:55:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 392 transitions. [2023-11-19 02:55:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:55:13,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:13,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:13,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:13,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:14,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 265 states and 397 transitions. [2023-11-19 02:55:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2023-11-19 02:55:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:14,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:14,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:14,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:55:14,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 268 states and 402 transitions. [2023-11-19 02:55:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 402 transitions. [2023-11-19 02:55:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:55:16,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:16,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:16,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 278 states and 411 transitions. [2023-11-19 02:55:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 411 transitions. [2023-11-19 02:55:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:55:16,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:16,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 295 states and 449 transitions. [2023-11-19 02:55:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2023-11-19 02:55:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:55:19,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:19,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:19,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 02:55:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 295 states and 448 transitions. [2023-11-19 02:55:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 448 transitions. [2023-11-19 02:55:19,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:55:19,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:19,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:19,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:19,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 302 states and 463 transitions. [2023-11-19 02:55:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 463 transitions. [2023-11-19 02:55:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:21,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 02:55:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 307 states and 470 transitions. [2023-11-19 02:55:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 470 transitions. [2023-11-19 02:55:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:22,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:22,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:22,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:22,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:23,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 316 states and 490 transitions. [2023-11-19 02:55:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 490 transitions. [2023-11-19 02:55:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:55:23,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:23,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:23,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:55:23,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 325 states and 504 transitions. [2023-11-19 02:55:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 504 transitions. [2023-11-19 02:55:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:55:25,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,975 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 336 states and 526 transitions. [2023-11-19 02:55:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 526 transitions. [2023-11-19 02:55:27,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:55:27,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:27,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:27,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 341 states and 537 transitions. [2023-11-19 02:55:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 537 transitions. [2023-11-19 02:55:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:55:28,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:28,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:28,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:28,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:30,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 346 states and 542 transitions. [2023-11-19 02:55:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 542 transitions. [2023-11-19 02:55:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:55:30,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:30,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:30,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:30,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 351 states and 551 transitions. [2023-11-19 02:55:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 551 transitions. [2023-11-19 02:55:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:55:31,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:31,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:31,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:31,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 354 states and 566 transitions. [2023-11-19 02:55:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 566 transitions. [2023-11-19 02:55:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:55:32,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:32,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:32,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 357 states and 573 transitions. [2023-11-19 02:55:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 573 transitions. [2023-11-19 02:55:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:55:34,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:34,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:34,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:55:34,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 360 states and 579 transitions. [2023-11-19 02:55:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 579 transitions. [2023-11-19 02:55:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:55:35,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:35,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:35,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:35,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 370 states and 588 transitions. [2023-11-19 02:55:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 588 transitions. [2023-11-19 02:55:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:55:36,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:36,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:36,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:36,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.