./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/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_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/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_80f2d960-4419-4caa-892c-90b29f6effca/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 ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:31,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:31,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:31,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:31,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:31,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:31,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:31,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:31,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:31,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:31,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:31,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:31,433 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:31,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:31,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:31,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:31,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:31,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:31,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:31,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:31,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:31,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:31,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:31,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:31,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:31,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:31,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:31,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:31,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:31,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:31,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:31,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:31,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:31,446 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_80f2d960-4419-4caa-892c-90b29f6effca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e [2023-11-24 22:16:31,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:31,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:31,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:31,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:31,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:31,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2023-11-24 22:16:34,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:35,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:35,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2023-11-24 22:16:35,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/data/a53671cd3/3894c2d432fb4c82a227cd662b4eff01/FLAGf91c807ae [2023-11-24 22:16:35,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/data/a53671cd3/3894c2d432fb4c82a227cd662b4eff01 [2023-11-24 22:16:35,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:35,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:35,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:35,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:35,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:35,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0ce66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35, skipping insertion in model container [2023-11-24 22:16:35,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:35,292 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_80f2d960-4419-4caa-892c-90b29f6effca/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2023-11-24 22:16:35,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:35,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:35,372 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_80f2d960-4419-4caa-892c-90b29f6effca/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2023-11-24 22:16:35,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:35,402 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:35,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35 WrapperNode [2023-11-24 22:16:35,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:35,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:35,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:35,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:35,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,449 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-24 22:16:35,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:35,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:35,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:35,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:35,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:35,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:35,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:35,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:35,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:35,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:35,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:35,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2d960-4419-4caa-892c-90b29f6effca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:35,699 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:35,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:35,915 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:35,989 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:35,989 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-24 22:16:35,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:35 BoogieIcfgContainer [2023-11-24 22:16:35,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:35,992 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:35,992 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:36,006 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:36,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:35" (1/1) ... [2023-11-24 22:16:36,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2023-11-24 22:16:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2023-11-24 22:16:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:36,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:36,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:36,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:36,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:36,433 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 22:16:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:36,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-24 22:16:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-24 22:16:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:36,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:36,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:36,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:36,575 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 22:16:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2023-11-24 22:16:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2023-11-24 22:16:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:16:36,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:36,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:36,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:36,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:36,818 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 22:16:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2023-11-24 22:16:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2023-11-24 22:16:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:37,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:37,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:37,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:37,237 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 22:16:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2023-11-24 22:16:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2023-11-24 22:16:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:37,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:37,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:37,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:16:37,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:37,510 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 22:16:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2023-11-24 22:16:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2023-11-24 22:16:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:37,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:37,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:37,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:16:37,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:37,795 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 22:16:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-24 22:16:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-24 22:16:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:37,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:37,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:37,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:16:37,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:38,078 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 22:16:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2023-11-24 22:16:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-11-24 22:16:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:38,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:38,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:38,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:16:38,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:38,367 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 22:16:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2023-11-24 22:16:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2023-11-24 22:16:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:16:38,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:38,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:38,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:38,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:38,626 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 22:16:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2023-11-24 22:16:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2023-11-24 22:16:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:16:38,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:38,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:38,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:16:38,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:38,903 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 22:16:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2023-11-24 22:16:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2023-11-24 22:16:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:39,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:39,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:39,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:39,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:39,244 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 22:16:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-24 22:16:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 22:16:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:39,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:39,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:16:39,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:39,604 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 22:16:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-11-24 22:16:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-24 22:16:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:39,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:39,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:39,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:16:39,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:39,920 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 22:16:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2023-11-24 22:16:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-24 22:16:40,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:40,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:40,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:16:40,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:40,257 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 22:16:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2023-11-24 22:16:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-11-24 22:16:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:40,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:40,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:16:40,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:40,603 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 22:16:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-24 22:16:40,753 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-24 22:16:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:16:40,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:40,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:16:40,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:40,971 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 22:16:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-24 22:16:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-24 22:16:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:16:41,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:16:41,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:41,375 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 22:16:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-11-24 22:16:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-11-24 22:16:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:16:41,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:16:41,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:41,786 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 22:16:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-24 22:16:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-24 22:16:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:16:41,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:16:42,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:42,203 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 22:16:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-11-24 22:16:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-11-24 22:16:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:16:42,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:16:42,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:42,647 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 22:16:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-24 22:16:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-24 22:16:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:16:42,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:42,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:42,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:16:42,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:43,071 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 22:16:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-24 22:16:43,260 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-24 22:16:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:43,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:43,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:43,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:16:43,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:43,575 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 22:16:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2023-11-24 22:16:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-24 22:16:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:16:43,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:43,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:16:43,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:44,054 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 22:16:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2023-11-24 22:16:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-24 22:16:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:16:44,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:44,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:44,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:44,523 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 22:16:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2023-11-24 22:16:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-24 22:16:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:44,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:44,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:44,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:16:44,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:45,025 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 22:16:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2023-11-24 22:16:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-24 22:16:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:16:45,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:16:45,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:45,504 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 22:16:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2023-11-24 22:16:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2023-11-24 22:16:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:16:45,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:45,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:45,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:46,032 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 22:16:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2023-11-24 22:16:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2023-11-24 22:16:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:46,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:46,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:46,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:46,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:46,578 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 22:16:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2023-11-24 22:16:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2023-11-24 22:16:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:16:46,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:46,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:46,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:16:46,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:47,120 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 22:16:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2023-11-24 22:16:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2023-11-24 22:16:47,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:47,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:16:47,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:47,659 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 22:16:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2023-11-24 22:16:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2023-11-24 22:16:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:16:47,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:48,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:48,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:48,333 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 22:16:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2023-11-24 22:16:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2023-11-24 22:16:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:16:48,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:48,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:48,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:16:48,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:48,967 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 22:16:49,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2023-11-24 22:16:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-11-24 22:16:49,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:16:49,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:49,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:49,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:16:49,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:49,572 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 22:16:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2023-11-24 22:16:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-24 22:16:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:16:49,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:49,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:49,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:16:49,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:50,185 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 22:16:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2023-11-24 22:16:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2023-11-24 22:16:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:16:50,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:50,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:50,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:16:50,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:50,795 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 22:16:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2023-11-24 22:16:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-24 22:16:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:16:51,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:51,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:16:51,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:51,463 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 22:16:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2023-11-24 22:16:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-24 22:16:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:16:51,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:51,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:16:51,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:52,105 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 22:16:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2023-11-24 22:16:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-24 22:16:52,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:16:52,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:52,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:52,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:16:52,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:52,771 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 22:16:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2023-11-24 22:16:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-24 22:16:53,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:16:53,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:53,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:53,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:16:53,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:53,419 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 22:16:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2023-11-24 22:16:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2023-11-24 22:16:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:16:53,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:53,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:53,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:16:53,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:54,143 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 22:16:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2023-11-24 22:16:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-24 22:16:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:16:54,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:54,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:54,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 22:16:54,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:54,819 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 22:16:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2023-11-24 22:16:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 22:16:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:16:55,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:16:55,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:55,524 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 22:16:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-24 22:16:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-24 22:16:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:16:55,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:16:55,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:56,230 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 22:16:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-24 22:16:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-24 22:16:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:16:56,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 22:16:56,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:57,017 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 22:16:57,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2023-11-24 22:16:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-24 22:16:57,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:16:57,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:57,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:16:57,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:57,792 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 22:16:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2023-11-24 22:16:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-24 22:16:58,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:16:58,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-24 22:16:58,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:58,626 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 22:16:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2023-11-24 22:16:58,901 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-24 22:16:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:16:58,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 22:16:59,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:59,373 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 22:16:59,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2023-11-24 22:16:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-24 22:16:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:16:59,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 22:16:59,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:00,181 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 22:17:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:00,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2023-11-24 22:17:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2023-11-24 22:17:00,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:17:00,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:00,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 22:17:00,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:01,063 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 22:17:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2023-11-24 22:17:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-24 22:17:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:17:01,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:01,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:01,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 22:17:01,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:01,931 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 22:17:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2023-11-24 22:17:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-11-24 22:17:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:17:02,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 22:17:02,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:02,790 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 22:17:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2023-11-24 22:17:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2023-11-24 22:17:03,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:17:03,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:03,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-24 22:17:03,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:03,793 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 22:17:04,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:04,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2023-11-24 22:17:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-24 22:17:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:17:04,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:04,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:04,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 22:17:04,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:04,736 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 22:17:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-24 22:17:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-24 22:17:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:17:05,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:05,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:05,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-24 22:17:05,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:05,753 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 22:17:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-24 22:17:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-24 22:17:06,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:17:06,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:06,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:06,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 22:17:06,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:06,701 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 22:17:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-24 22:17:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-24 22:17:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:17:07,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:07,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-24 22:17:07,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:07,655 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 22:17:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2023-11-24 22:17:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2023-11-24 22:17:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:17:07,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:07,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-24 22:17:08,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:08,572 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 22:17:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2023-11-24 22:17:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2023-11-24 22:17:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:17:08,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-24 22:17:09,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:09,624 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 22:17:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2023-11-24 22:17:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2023-11-24 22:17:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:17:10,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 22:17:10,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:10,671 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 22:17:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2023-11-24 22:17:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2023-11-24 22:17:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:17:11,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 22:17:11,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:11,622 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 22:17:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-11-24 22:17:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-11-24 22:17:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:17:11,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:12,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-24 22:17:12,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:12,630 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 22:17:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2023-11-24 22:17:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2023-11-24 22:17:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:17:13,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:13,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-24 22:17:13,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:13,692 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 22:17:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2023-11-24 22:17:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2023-11-24 22:17:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:17:14,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:14,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-24 22:17:14,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:14,828 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 22:17:15,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2023-11-24 22:17:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2023-11-24 22:17:15,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:17:15,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:15,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-24 22:17:15,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:15,949 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 22:17:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2023-11-24 22:17:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2023-11-24 22:17:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:17:16,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-24 22:17:16,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:17,324 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 22:17:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2023-11-24 22:17:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-24 22:17:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:17:17,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:17,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-24 22:17:18,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:18,631 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 22:17:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-24 22:17:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-24 22:17:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:17:19,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:19,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-24 22:17:19,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:19,880 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 22:17:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2023-11-24 22:17:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2023-11-24 22:17:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:17:20,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:20,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:20,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-24 22:17:20,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:21,073 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 22:17:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2023-11-24 22:17:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2023-11-24 22:17:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:17:21,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:21,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:21,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-24 22:17:21,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:22,172 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 22:17:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2023-11-24 22:17:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2023-11-24 22:17:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:17:22,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:22,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:22,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-24 22:17:22,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.