./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/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_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:26,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:26,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:56:26,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:26,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:26,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:26,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:26,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:26,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:26,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:26,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:26,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:26,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:26,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:26,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:26,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:26,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:26,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:26,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:26,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:26,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:26,509 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:26,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:26,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:26,510 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:26,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:26,511 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:26,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:26,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:26,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:26,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:26,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:26,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:26,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:26,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:26,515 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_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 [2023-11-24 22:56:26,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:26,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:26,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:26,830 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:26,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:26,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2023-11-24 22:56:29,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:30,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:30,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2023-11-24 22:56:30,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/data/badaaec64/e28aae31ff784e95a2bc81748c294b61/FLAGd63a5eee6 [2023-11-24 22:56:30,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/data/badaaec64/e28aae31ff784e95a2bc81748c294b61 [2023-11-24 22:56:30,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:30,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:30,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:30,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:30,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:30,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d6f8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30, skipping insertion in model container [2023-11-24 22:56:30,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:30,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:30,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:30,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:30,417 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:30,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30 WrapperNode [2023-11-24 22:56:30,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:30,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:30,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:30,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:30,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,463 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-24 22:56:30,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:30,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:30,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:30,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:30,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:30,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:30,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:30,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:30,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:30,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:30,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:30,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d4a7d2-328f-4e52-8568-a2e5b1902bc1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:30,627 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:30,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:30,907 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:30,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:30,969 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:56:30,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:30 BoogieIcfgContainer [2023-11-24 22:56:30,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:30,972 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:30,972 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:30,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:30,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:30" (1/1) ... [2023-11-24 22:56:30,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-24 22:56:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-24 22:56:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:31,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,325 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 22:56:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-24 22:56:31,359 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-24 22:56:31,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:31,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2023-11-24 22:56:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-24 22:56:31,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:31,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 74 states and 88 transitions. [2023-11-24 22:56:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2023-11-24 22:56:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:31,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 78 states and 96 transitions. [2023-11-24 22:56:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-24 22:56:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:32,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:32,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 108 transitions. [2023-11-24 22:56:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2023-11-24 22:56:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:32,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:32,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 118 transitions. [2023-11-24 22:56:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-11-24 22:56:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:33,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:33,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 133 transitions. [2023-11-24 22:56:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2023-11-24 22:56:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:34,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:34,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 145 transitions. [2023-11-24 22:56:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2023-11-24 22:56:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:34,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 106 states and 159 transitions. [2023-11-24 22:56:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2023-11-24 22:56:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:35,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 172 transitions. [2023-11-24 22:56:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 172 transitions. [2023-11-24 22:56:36,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:36,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:36,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 117 states and 183 transitions. [2023-11-24 22:56:37,326 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 183 transitions. [2023-11-24 22:56:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:37,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:37,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 198 transitions. [2023-11-24 22:56:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 198 transitions. [2023-11-24 22:56:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:38,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 132 states and 214 transitions. [2023-11-24 22:56:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2023-11-24 22:56:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:56:39,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:39,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 136 states and 220 transitions. [2023-11-24 22:56:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 220 transitions. [2023-11-24 22:56:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:40,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 141 states and 232 transitions. [2023-11-24 22:56:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 232 transitions. [2023-11-24 22:56:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:56:41,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:41,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 150 states and 246 transitions. [2023-11-24 22:56:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2023-11-24 22:56:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:56:42,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:42,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 160 states and 262 transitions. [2023-11-24 22:56:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2023-11-24 22:56:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:56:44,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:44,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:44,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 161 states and 263 transitions. [2023-11-24 22:56:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 263 transitions. [2023-11-24 22:56:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:44,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:44,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:44,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 170 states and 276 transitions. [2023-11-24 22:56:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 276 transitions. [2023-11-24 22:56:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:56:46,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:46,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:56:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 178 states and 286 transitions. [2023-11-24 22:56:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2023-11-24 22:56:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:56:46,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:46,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 192 states and 307 transitions. [2023-11-24 22:56:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 307 transitions. [2023-11-24 22:56:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:56:49,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:49,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 22:56:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 201 states and 318 transitions. [2023-11-24 22:56:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 318 transitions. [2023-11-24 22:56:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:56:49,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:49,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:56:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 212 states and 346 transitions. [2023-11-24 22:56:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 346 transitions. [2023-11-24 22:56:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:50,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:50,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 22:56:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 223 states and 362 transitions. [2023-11-24 22:56:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 362 transitions. [2023-11-24 22:56:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:51,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:51,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:56:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 227 states and 371 transitions. [2023-11-24 22:56:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 371 transitions. [2023-11-24 22:56:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:56:52,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:52,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:52,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:56:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 229 states and 374 transitions. [2023-11-24 22:56:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 374 transitions. [2023-11-24 22:56:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:56:54,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:54,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:54,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:56:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 235 states and 387 transitions. [2023-11-24 22:56:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 387 transitions. [2023-11-24 22:56:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:56:55,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:55,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 22:56:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 240 states and 404 transitions. [2023-11-24 22:56:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 404 transitions. [2023-11-24 22:56:59,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:56:59,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:59,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:59,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:59,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-24 22:57:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:02,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 245 states and 415 transitions. [2023-11-24 22:57:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 415 transitions. [2023-11-24 22:57:02,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:57:02,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:02,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-24 22:57:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 250 states and 426 transitions. [2023-11-24 22:57:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 426 transitions. [2023-11-24 22:57:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:57:06,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:06,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:06,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:57:06,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 254 states and 432 transitions. [2023-11-24 22:57:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 432 transitions. [2023-11-24 22:57:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:57:07,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:07,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:07,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 447 transitions. [2023-11-24 22:57:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 447 transitions. [2023-11-24 22:57:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:57:08,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:08,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:08,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:08,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 270 states and 470 transitions. [2023-11-24 22:57:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 470 transitions. [2023-11-24 22:57:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:57:12,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:12,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:12,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:12,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 280 states and 493 transitions. [2023-11-24 22:57:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 493 transitions. [2023-11-24 22:57:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:57:16,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:16,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:16,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:16,145 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 285 states and 501 transitions. [2023-11-24 22:57:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 501 transitions. [2023-11-24 22:57:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:57:17,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:17,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:17,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 297 states and 526 transitions. [2023-11-24 22:57:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 526 transitions. [2023-11-24 22:57:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:57:21,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:21,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:21,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:21,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 302 states and 534 transitions. [2023-11-24 22:57:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 534 transitions. [2023-11-24 22:57:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:57:24,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:24,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:24,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:24,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:57:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 310 states and 547 transitions. [2023-11-24 22:57:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 547 transitions. [2023-11-24 22:57:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:57:25,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:25,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:25,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:57:25,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.