./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 0e0057cc 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_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/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_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:06:38,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:38,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:06:38,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:38,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:38,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:38,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:38,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:38,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:38,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:38,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:38,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:38,254 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:38,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:38,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:38,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:38,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:38,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:38,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:38,260 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:38,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:38,262 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:38,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:38,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:38,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:38,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:38,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:38,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:38,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:38,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:38,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:38,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:38,276 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:38,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:38,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:38,277 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_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b50d522769b95768e9038f61a48a3b927d40a7b91b44cb14af45fcd08759b69 [2023-11-24 23:06:38,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:38,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:38,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:38,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:38,685 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:38,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2023-11-24 23:06:42,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:42,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:42,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound5.c [2023-11-24 23:06:42,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/data/3291e990f/6f147c1d29c24e629b444c3ac64e3961/FLAG561b4622b [2023-11-24 23:06:43,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/data/3291e990f/6f147c1d29c24e629b444c3ac64e3961 [2023-11-24 23:06:43,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:43,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:43,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:43,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:43,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:43,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32315c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43, skipping insertion in model container [2023-11-24 23:06:43,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:43,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:43,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:43,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:43,295 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:43,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43 WrapperNode [2023-11-24 23:06:43,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:43,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:43,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:43,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:43,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,344 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-24 23:06:43,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:43,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:43,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:43,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:43,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:43,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:43,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:43,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:43,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:43" (1/1) ... [2023-11-24 23:06:43,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:43,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:43,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:43,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_012a4ef8-c56c-4118-8d33-28df966c3ed6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:06:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:06:43,582 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:43,585 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:43,928 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:44,008 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:44,008 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:06:44,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:44 BoogieIcfgContainer [2023-11-24 23:06:44,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:44,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:44,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:44,026 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:44,027 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:44" (1/1) ... [2023-11-24 23:06:44,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-24 23:06:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-24 23:06:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:06:44,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:44,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-24 23:06:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-24 23:06:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:44,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:44,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:44,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-24 23:06:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-24 23:06:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:06:44,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:44,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:44,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:44,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-24 23:06:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-24 23:06:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:06:44,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:44,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:44,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:44,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:45,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-24 23:06:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-24 23:06:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:45,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:45,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:45,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-24 23:06:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-24 23:06:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:45,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:45,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:45,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:45,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-24 23:06:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-24 23:06:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:06:45,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:45,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:45,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:45,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-24 23:06:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-24 23:06:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:06:46,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:46,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:46,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:46,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-24 23:06:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-24 23:06:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:46,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:46,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:46,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:06:46,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-24 23:06:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-24 23:06:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:46,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:46,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:46,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:46,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-24 23:06:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-24 23:06:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:06:47,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:47,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:47,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:47,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-24 23:06:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-24 23:06:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:06:47,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:47,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:47,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-24 23:06:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-24 23:06:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:48,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:48,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:48,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:48,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 135 transitions. [2023-11-24 23:06:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-11-24 23:06:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:49,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:49,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:49,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:49,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 148 transitions. [2023-11-24 23:06:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2023-11-24 23:06:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:49,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:49,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:49,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:49,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 161 transitions. [2023-11-24 23:06:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2023-11-24 23:06:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:50,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:50,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:50,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 173 transitions. [2023-11-24 23:06:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-24 23:06:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:51,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:51,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:51,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:51,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:51,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 128 states and 172 transitions. [2023-11-24 23:06:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2023-11-24 23:06:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:51,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:51,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:51,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:51,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 135 states and 184 transitions. [2023-11-24 23:06:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-24 23:06:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:52,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:52,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:52,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:52,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 194 transitions. [2023-11-24 23:06:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2023-11-24 23:06:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:54,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:54,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:54,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:54,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 208 transitions. [2023-11-24 23:06:55,316 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-24 23:06:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:55,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:55,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:55,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 207 transitions. [2023-11-24 23:06:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-24 23:06:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:06:56,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:56,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:56,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:56,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 157 states and 217 transitions. [2023-11-24 23:06:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-24 23:06:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:06:58,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:58,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:58,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 161 states and 225 transitions. [2023-11-24 23:06:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-24 23:06:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:58,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:58,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:58,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:58,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 165 states and 228 transitions. [2023-11-24 23:06:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-24 23:06:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:06:59,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:59,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:59,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 170 states and 235 transitions. [2023-11-24 23:06:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-24 23:06:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:06:59,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:59,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:59,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:59,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:00,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 173 states and 241 transitions. [2023-11-24 23:07:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 241 transitions. [2023-11-24 23:07:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:07:00,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:00,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:00,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:07:00,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 176 states and 245 transitions. [2023-11-24 23:07:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 245 transitions. [2023-11-24 23:07:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:07:01,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:01,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:01,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:07:01,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 178 states and 249 transitions. [2023-11-24 23:07:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-24 23:07:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:07:02,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:02,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:02,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:07:02,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 181 states and 255 transitions. [2023-11-24 23:07:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 255 transitions. [2023-11-24 23:07:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:07:03,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:03,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:03,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:04,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:04,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 195 states and 271 transitions. [2023-11-24 23:07:04,418 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 271 transitions. [2023-11-24 23:07:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:07:04,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:04,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:04,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 212 states and 304 transitions. [2023-11-24 23:07:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 304 transitions. [2023-11-24 23:07:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:07:06,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:06,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:06,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:07:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 212 states and 303 transitions. [2023-11-24 23:07:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 303 transitions. [2023-11-24 23:07:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:07:06,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:06,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:06,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:06,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 216 states and 312 transitions. [2023-11-24 23:07:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 312 transitions. [2023-11-24 23:07:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:07:07,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:07,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:07,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:07,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:07:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 221 states and 319 transitions. [2023-11-24 23:07:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 319 transitions. [2023-11-24 23:07:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:07:08,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:08,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:08,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 231 states and 339 transitions. [2023-11-24 23:07:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 339 transitions. [2023-11-24 23:07:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:07:10,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:10,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:10,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:07:10,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 237 states and 349 transitions. [2023-11-24 23:07:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 349 transitions. [2023-11-24 23:07:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:07:11,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:11,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:11,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:07:11,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 248 states and 368 transitions. [2023-11-24 23:07:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 368 transitions. [2023-11-24 23:07:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:07:12,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:12,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:12,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:07:12,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 253 states and 378 transitions. [2023-11-24 23:07:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 378 transitions. [2023-11-24 23:07:13,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:07:13,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:13,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:13,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:07:13,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 258 states and 383 transitions. [2023-11-24 23:07:14,963 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 383 transitions. [2023-11-24 23:07:14,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:07:14,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:14,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:14,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:07:14,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:15,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 263 states and 395 transitions. [2023-11-24 23:07:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 395 transitions. [2023-11-24 23:07:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:07:15,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:15,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:15,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:07:15,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 266 states and 407 transitions. [2023-11-24 23:07:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 407 transitions. [2023-11-24 23:07:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:07:16,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:16,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:16,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:07:16,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 268 states and 409 transitions. [2023-11-24 23:07:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 409 transitions. [2023-11-24 23:07:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:07:17,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:17,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:17,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:07:17,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 269 states and 412 transitions. [2023-11-24 23:07:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 412 transitions. [2023-11-24 23:07:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:07:18,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:18,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:18,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:07:18,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:07:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 279 states and 422 transitions. [2023-11-24 23:07:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 422 transitions. [2023-11-24 23:07:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:07:19,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:19,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:19,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:07:19,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:07:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 296 states and 460 transitions. [2023-11-24 23:07:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 460 transitions. [2023-11-24 23:07:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:07:22,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:22,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:22,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-24 23:07:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 296 states and 459 transitions. [2023-11-24 23:07:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 459 transitions. [2023-11-24 23:07:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:07:23,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:23,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:23,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:07:23,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:07:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 303 states and 475 transitions. [2023-11-24 23:07:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 475 transitions. [2023-11-24 23:07:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:07:25,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:25,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:25,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:25,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 23:07:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 308 states and 482 transitions. [2023-11-24 23:07:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 482 transitions. [2023-11-24 23:07:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:07:26,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:26,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:26,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:07:26,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:07:28,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 318 states and 504 transitions. [2023-11-24 23:07:28,162 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 504 transitions. [2023-11-24 23:07:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:07:28,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:28,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:28,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:07:28,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:07:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 327 states and 518 transitions. [2023-11-24 23:07:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 518 transitions. [2023-11-24 23:07:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:07:30,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:30,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:07:30,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.