./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/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_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/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_aae461f8-dae6-454e-944b-39c1bbc04efa/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 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:43:25,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:43:25,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:43:25,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:43:25,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:43:25,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:43:25,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:43:25,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:43:25,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:43:25,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:43:25,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:43:25,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:43:25,304 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:43:25,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:43:25,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:43:25,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:43:25,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:43:25,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:43:25,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:43:25,307 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:43:25,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:43:25,308 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:43:25,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:43:25,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:43:25,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:43:25,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:43:25,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:43:25,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:43:25,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:25,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:43:25,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:43:25,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:43:25,312 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:43:25,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:43:25,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:43:25,313 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_aae461f8-dae6-454e-944b-39c1bbc04efa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee [2023-11-19 02:43:25,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:43:25,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:43:25,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:43:25,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:43:25,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:43:25,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2023-11-19 02:43:28,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:43:29,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:43:29,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2023-11-19 02:43:29,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/data/66283f4fd/5d339e60b0e1467f9c1697053b21dd2d/FLAG66b3d000c [2023-11-19 02:43:29,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/data/66283f4fd/5d339e60b0e1467f9c1697053b21dd2d [2023-11-19 02:43:29,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:43:29,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:43:29,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:29,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:43:29,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:43:29,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526306bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29, skipping insertion in model container [2023-11-19 02:43:29,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,184 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:43:29,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:29,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:43:29,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:29,452 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:43:29,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29 WrapperNode [2023-11-19 02:43:29,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:29,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:29,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:43:29,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:43:29,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,522 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-19 02:43:29,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:29,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:43:29,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:43:29,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:43:29,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:43:29,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:43:29,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:43:29,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:43:29,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:29" (1/1) ... [2023-11-19 02:43:29,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:29,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:43:29,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:43:29,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aae461f8-dae6-454e-944b-39c1bbc04efa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:43:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:43:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:43:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:43:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:43:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:43:29,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:43:29,780 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:43:29,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:43:30,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:43:30,274 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:43:30,274 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:43:30,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:30 BoogieIcfgContainer [2023-11-19 02:43:30,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:43:30,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:43:30,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:43:30,294 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:43:30,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:30" (1/1) ... [2023-11-19 02:43:30,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:43:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-19 02:43:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-19 02:43:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:43:30,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:30,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:30,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:43:30,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:30,557 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 02:43:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-19 02:43:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-19 02:43:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:43:30,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:30,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:30,705 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 02:43:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-19 02:43:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-19 02:43:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:43:30,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:30,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:30,878 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 02:43:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-19 02:43:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-19 02:43:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:43:31,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:31,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:31,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:31,122 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 02:43:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-11-19 02:43:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-11-19 02:43:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:43:31,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:31,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:31,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:43:31,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:31,297 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 02:43:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-19 02:43:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-19 02:43:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:43:31,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:31,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:31,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:43:31,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:31,930 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 02:43:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-11-19 02:43:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-11-19 02:43:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:43:32,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:32,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:32,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:43:32,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:32,787 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 02:43:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2023-11-19 02:43:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-19 02:43:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:43:33,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:33,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:33,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:43:33,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:33,882 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 02:43:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 162 transitions. [2023-11-19 02:43:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 162 transitions. [2023-11-19 02:43:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:43:34,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:34,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:34,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:34,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:34,321 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 02:43:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2023-11-19 02:43:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2023-11-19 02:43:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:43:35,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:35,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:35,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:35,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:35,800 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 02:43:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 147 states and 196 transitions. [2023-11-19 02:43:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-19 02:43:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:43:37,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:37,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:37,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:43:37,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:37,706 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 02:43:39,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:39,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 158 states and 216 transitions. [2023-11-19 02:43:39,783 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2023-11-19 02:43:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:43:39,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:39,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:39,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:43:39,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:39,945 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 02:43:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 170 states and 238 transitions. [2023-11-19 02:43:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 238 transitions. [2023-11-19 02:43:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:43:42,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:42,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:42,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:42,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:42,788 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 02:43:43,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 173 states and 244 transitions. [2023-11-19 02:43:43,157 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-19 02:43:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:43:43,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:43,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:43,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:43,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:43,291 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 02:43:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 175 states and 246 transitions. [2023-11-19 02:43:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 246 transitions. [2023-11-19 02:43:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:43:43,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:43,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:43,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:43:43,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:44,109 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 02:43:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 184 states and 264 transitions. [2023-11-19 02:43:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 264 transitions. [2023-11-19 02:43:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:43:46,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:46,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:46,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:43:46,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:46,931 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 02:43:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 193 states and 283 transitions. [2023-11-19 02:43:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 283 transitions. [2023-11-19 02:43:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:43:49,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:49,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:49,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:49,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:49,844 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 02:43:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 192 states and 282 transitions. [2023-11-19 02:43:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 282 transitions. [2023-11-19 02:43:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:43:49,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:49,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:49,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:43:49,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:50,203 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 02:43:54,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 202 states and 303 transitions. [2023-11-19 02:43:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 303 transitions. [2023-11-19 02:43:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:43:54,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:54,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:54,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:54,318 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 02:43:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 205 states and 307 transitions. [2023-11-19 02:43:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2023-11-19 02:43:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:43:54,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:54,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:54,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:54,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:54,889 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 02:43:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 208 states and 311 transitions. [2023-11-19 02:43:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2023-11-19 02:43:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:43:54,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:55,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:55,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:55,161 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 02:43:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 207 states and 310 transitions. [2023-11-19 02:43:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2023-11-19 02:43:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:43:55,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:55,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:55,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:55,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 217 states and 327 transitions. [2023-11-19 02:44:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 327 transitions. [2023-11-19 02:44:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:09,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:44:09,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:09,511 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 02:44:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 228 states and 350 transitions. [2023-11-19 02:44:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2023-11-19 02:44:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:14,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:15,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:44:15,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:15,328 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 02:44:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 239 states and 372 transitions. [2023-11-19 02:44:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 372 transitions. [2023-11-19 02:44:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:19,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:19,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:19,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:19,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:19,818 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 02:44:19,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 376 transitions. [2023-11-19 02:44:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 376 transitions. [2023-11-19 02:44:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:19,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:19,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:19,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:20,086 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 02:44:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:21,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 246 states and 385 transitions. [2023-11-19 02:44:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2023-11-19 02:44:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:44:21,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:21,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:21,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:21,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.