./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/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_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:15,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:15,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:15,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:15,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:15,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:15,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:15,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:15,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:15,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:15,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:15,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:15,254 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:15,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:15,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:15,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:15,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:15,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:15,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:15,265 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:15,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:15,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:15,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:15,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:15,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:15,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:15,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:15,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:15,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:15,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:15,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:15,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:15,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:15,272 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_c04866d6-d515-422b-a628-81c8aee3ee08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 [2023-11-24 22:53:15,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:15,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:15,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:15,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:15,555 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:15,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c [2023-11-24 22:53:18,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:18,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:18,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/sv-benchmarks/c/array-multidimensional/add-3-n-u.c [2023-11-24 22:53:18,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/data/9e8c15d70/dfcab68b20774c8d995cdaf86937b37a/FLAG14247c826 [2023-11-24 22:53:18,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/data/9e8c15d70/dfcab68b20774c8d995cdaf86937b37a [2023-11-24 22:53:18,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:18,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:18,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:18,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:18,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:18,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:18,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7c2c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:18, skipping insertion in model container [2023-11-24 22:53:18,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:18" (1/1) ... [2023-11-24 22:53:18,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:19,073 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/sv-benchmarks/c/array-multidimensional/add-3-n-u.c[321,334] [2023-11-24 22:53:19,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:19,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:19,119 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/sv-benchmarks/c/array-multidimensional/add-3-n-u.c[321,334] [2023-11-24 22:53:19,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:19,149 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:19,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19 WrapperNode [2023-11-24 22:53:19,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:19,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:19,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:19,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:19,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,196 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-24 22:53:19,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:19,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:19,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:19,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:19,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:19,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:19,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:19,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:19,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:19,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:19,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:19,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04866d6-d515-422b-a628-81c8aee3ee08/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:53:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:53:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:53:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:53:19,421 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:19,424 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:19,732 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:19,799 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:19,800 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-24 22:53:19,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:19 BoogieIcfgContainer [2023-11-24 22:53:19,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:19,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:19,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:19,814 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:19,815 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:19,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2023-11-24 22:53:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2023-11-24 22:53:19,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:53:19,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:20,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:53:20,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:20,178 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 22:53:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-24 22:53:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-24 22:53:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:53:20,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:20,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:20,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:53:20,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2023-11-24 22:53:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2023-11-24 22:53:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:53:20,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:20,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:20,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:53:20,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:20,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2023-11-24 22:53:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2023-11-24 22:53:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:53:20,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:20,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:53:20,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2023-11-24 22:53:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2023-11-24 22:53:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:21,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:21,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:21,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:21,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:21,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2023-11-24 22:53:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2023-11-24 22:53:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:53:21,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:21,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:53:21,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-24 22:53:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-24 22:53:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:21,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:21,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:21,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:53:21,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2023-11-24 22:53:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-11-24 22:53:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:53:21,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:21,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:21,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:53:21,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2023-11-24 22:53:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2023-11-24 22:53:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:53:22,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:22,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:22,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:53:22,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:22,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2023-11-24 22:53:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2023-11-24 22:53:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:53:22,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:22,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:22,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:53:22,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2023-11-24 22:53:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2023-11-24 22:53:22,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:22,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:22,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:22,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:22,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-24 22:53:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 22:53:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:53:23,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:23,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:53:23,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-11-24 22:53:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-24 22:53:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:53:23,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:23,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:53:23,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:23,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2023-11-24 22:53:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-24 22:53:23,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:53:23,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:23,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:23,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:53:23,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2023-11-24 22:53:24,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-11-24 22:53:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:53:24,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:24,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:24,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:53:24,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:24,325 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-24 22:53:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-24 22:53:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:53:24,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:24,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:24,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:53:24,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-24 22:53:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-24 22:53:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:53:24,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:24,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:24,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-11-24 22:53:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-11-24 22:53:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:53:25,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:25,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:25,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:53:25,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-24 22:53:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-24 22:53:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:53:25,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:25,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:25,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:53:25,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-11-24 22:53:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-11-24 22:53:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:53:26,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:26,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:26,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:53:26,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-24 22:53:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-24 22:53:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:53:26,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:26,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:26,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:53:26,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-24 22:53:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-24 22:53:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:53:27,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:27,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:53:27,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2023-11-24 22:53:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-24 22:53:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:53:27,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:27,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:53:27,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2023-11-24 22:53:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-24 22:53:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:53:28,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:28,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:53:28,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2023-11-24 22:53:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-24 22:53:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:53:28,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:28,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:28,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:53:28,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2023-11-24 22:53:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-24 22:53:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:53:29,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:29,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:29,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:53:29,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2023-11-24 22:53:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2023-11-24 22:53:29,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:53:29,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:29,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:29,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:53:29,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:30,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2023-11-24 22:53:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2023-11-24 22:53:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:53:30,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:30,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:30,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:53:30,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:30,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2023-11-24 22:53:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2023-11-24 22:53:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:30,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:30,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:31,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:53:31,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2023-11-24 22:53:31,390 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2023-11-24 22:53:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:53:31,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:31,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:31,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:53:31,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2023-11-24 22:53:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2023-11-24 22:53:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:53:31,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:53:32,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2023-11-24 22:53:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2023-11-24 22:53:32,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:53:32,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:32,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:53:32,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2023-11-24 22:53:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-11-24 22:53:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:53:33,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:33,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:33,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:53:33,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2023-11-24 22:53:33,800 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-24 22:53:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:53:33,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:33,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:33,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:53:33,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:34,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2023-11-24 22:53:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2023-11-24 22:53:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:53:34,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:34,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:34,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:53:34,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2023-11-24 22:53:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-24 22:53:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:53:35,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:35,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:53:35,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2023-11-24 22:53:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-24 22:53:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:53:35,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:35,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:53:35,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2023-11-24 22:53:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-24 22:53:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:53:36,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:36,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:53:36,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2023-11-24 22:53:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-24 22:53:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:53:37,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:53:37,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2023-11-24 22:53:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2023-11-24 22:53:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:53:37,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:53:38,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2023-11-24 22:53:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-24 22:53:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:53:38,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:38,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 22:53:38,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2023-11-24 22:53:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 22:53:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:53:39,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:39,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:39,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:53:39,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-24 22:53:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-24 22:53:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:53:40,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:53:40,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-24 22:53:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-24 22:53:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:53:40,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 22:53:40,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2023-11-24 22:53:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-24 22:53:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:53:41,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:41,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:53:41,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2023-11-24 22:53:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-24 22:53:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:53:42,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:42,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-24 22:53:42,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2023-11-24 22:53:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-24 22:53:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:53:43,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:43,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 22:53:43,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2023-11-24 22:53:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-24 22:53:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:53:43,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:43,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:44,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 22:53:44,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2023-11-24 22:53:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-11-24 22:53:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:53:44,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:44,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:45,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 22:53:45,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2023-11-24 22:53:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-24 22:53:45,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:53:45,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:45,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:45,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 22:53:45,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2023-11-24 22:53:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-11-24 22:53:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:53:46,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:46,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:46,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 22:53:46,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2023-11-24 22:53:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-11-24 22:53:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:53:47,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:47,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-24 22:53:47,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2023-11-24 22:53:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-24 22:53:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:53:48,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:48,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 22:53:48,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-24 22:53:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-24 22:53:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:53:49,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-24 22:53:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-24 22:53:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:53:50,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:50,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:50,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 22:53:50,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-24 22:53:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-24 22:53:51,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:53:51,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:51,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-24 22:53:51,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2023-11-24 22:53:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2023-11-24 22:53:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:53:51,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:51,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:52,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-24 22:53:52,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2023-11-24 22:53:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2023-11-24 22:53:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:53:52,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:53,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-24 22:53:53,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2023-11-24 22:53:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2023-11-24 22:53:53,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:53:53,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:53,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:54,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 22:53:54,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2023-11-24 22:53:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2023-11-24 22:53:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:53:54,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:54,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:55,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 22:53:55,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-11-24 22:53:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-11-24 22:53:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:53:55,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:55,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-24 22:53:55,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2023-11-24 22:53:56,597 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2023-11-24 22:53:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:53:56,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:56,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-24 22:53:56,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2023-11-24 22:53:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2023-11-24 22:53:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:53:57,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:57,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-24 22:53:57,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:58,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2023-11-24 22:53:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2023-11-24 22:53:58,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:53:58,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:58,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:58,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-24 22:53:58,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:59,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2023-11-24 22:53:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2023-11-24 22:53:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:53:59,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-24 22:54:00,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2023-11-24 22:54:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-24 22:54:00,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:54:00,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-24 22:54:01,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-24 22:54:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-24 22:54:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:54:01,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-24 22:54:02,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2023-11-24 22:54:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2023-11-24 22:54:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:54:02,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-24 22:54:03,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2023-11-24 22:54:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2023-11-24 22:54:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:54:03,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-24 22:54:04,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:04,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:04,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2023-11-24 22:54:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2023-11-24 22:54:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:54:04,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-24 22:54:05,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2023-11-24 22:54:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2023-11-24 22:54:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 22:54:06,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms