./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm --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 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:20:23,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:23,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:20:23,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:20:23,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:20:23,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:23,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:23,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:23,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:23,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:23,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:23,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:23,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:20:23,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:20:23,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:20:23,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:23,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:23,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:23,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:23,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:23,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:23,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:23,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:23,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:23,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:23,243 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:20:23,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:20:23,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm 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 -> 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 [2024-11-13 21:20:23,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:23,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:23,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:23,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:23,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:23,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c Unable to find full path for "g++" [2024-11-13 21:20:25,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:25,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:25,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c [2024-11-13 21:20:25,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/data/8489a44cc/1efa48f6578b422bbb8223573a920c8a/FLAG2f00e8e3d [2024-11-13 21:20:26,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/data/8489a44cc/1efa48f6578b422bbb8223573a920c8a [2024-11-13 21:20:26,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:26,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:26,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:26,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:26,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:26,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecde773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26, skipping insertion in model container [2024-11-13 21:20:26,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:26,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:26,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:26,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:26,406 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:26,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26 WrapperNode [2024-11-13 21:20:26,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:26,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:26,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:26,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:26,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,446 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-13 21:20:26,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:26,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:26,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:26,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:26,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:26,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:26,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:26,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:26,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:26" (1/1) ... [2024-11-13 21:20:26,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:26,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:26,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd8ec3c6-63dc-4be5-a3e2-8fe3cb6aaad2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:20:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:20:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:20:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:20:26,618 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:26,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:27,007 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-13 21:20:27,007 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:27,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:20:27,051 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:20:27,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:27 BoogieIcfgContainer [2024-11-13 21:20:27,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:20:27,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:20:27,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:20:27,067 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:20:27,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:20:27" (1/1) ... [2024-11-13 21:20:27,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:20:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2024-11-13 21:20:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2024-11-13 21:20:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:20:27,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:27,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:20:27,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 72 transitions. [2024-11-13 21:20:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2024-11-13 21:20:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:20:27,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:27,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:27,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:20:27,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 77 transitions. [2024-11-13 21:20:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2024-11-13 21:20:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:20:28,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:28,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:20:28,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 80 transitions. [2024-11-13 21:20:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2024-11-13 21:20:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:20:28,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:28,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 82 transitions. [2024-11-13 21:20:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2024-11-13 21:20:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:20:28,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:28,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:28,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:20:28,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 92 transitions. [2024-11-13 21:20:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2024-11-13 21:20:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:20:29,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:29,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:20:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:30,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 105 transitions. [2024-11-13 21:20:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2024-11-13 21:20:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:20:30,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 87 states and 107 transitions. [2024-11-13 21:20:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2024-11-13 21:20:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:20:31,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:31,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:20:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 110 transitions. [2024-11-13 21:20:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2024-11-13 21:20:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:20:31,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:31,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:20:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 98 states and 125 transitions. [2024-11-13 21:20:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2024-11-13 21:20:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:20:32,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:32,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:33,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 110 states and 147 transitions. [2024-11-13 21:20:33,908 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 147 transitions. [2024-11-13 21:20:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:20:33,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:33,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 120 states and 163 transitions. [2024-11-13 21:20:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2024-11-13 21:20:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:20:34,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:34,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 121 states and 164 transitions. [2024-11-13 21:20:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2024-11-13 21:20:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:20:34,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:34,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:35,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 174 transitions. [2024-11-13 21:20:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2024-11-13 21:20:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:20:35,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:35,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 131 states and 185 transitions. [2024-11-13 21:20:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 185 transitions. [2024-11-13 21:20:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:20:36,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 137 states and 196 transitions. [2024-11-13 21:20:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2024-11-13 21:20:37,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:20:37,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:37,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 141 states and 203 transitions. [2024-11-13 21:20:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 203 transitions. [2024-11-13 21:20:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:20:39,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:39,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:40,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 142 states and 204 transitions. [2024-11-13 21:20:40,737 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 204 transitions. [2024-11-13 21:20:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:20:40,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:40,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 141 states and 203 transitions. [2024-11-13 21:20:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 203 transitions. [2024-11-13 21:20:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:20:40,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 143 states and 205 transitions. [2024-11-13 21:20:41,712 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 205 transitions. [2024-11-13 21:20:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:20:41,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:41,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 153 states and 218 transitions. [2024-11-13 21:20:44,180 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 218 transitions. [2024-11-13 21:20:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:20:44,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:44,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 160 states and 229 transitions. [2024-11-13 21:20:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 229 transitions. [2024-11-13 21:20:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:20:46,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:47,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:20:47,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:20:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:51,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 178 states and 253 transitions. [2024-11-13 21:20:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 253 transitions. [2024-11-13 21:20:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:20:51,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:51,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:20:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 186 states and 265 transitions. [2024-11-13 21:20:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 265 transitions. [2024-11-13 21:20:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:20:55,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:55,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:55,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:20:55,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:20:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 196 states and 282 transitions. [2024-11-13 21:20:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 282 transitions. [2024-11-13 21:20:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:20:57,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:57,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:57,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:20:57,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:20:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 200 states and 289 transitions. [2024-11-13 21:20:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 289 transitions. [2024-11-13 21:20:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:20:58,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:20:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:58,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:20:58,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:20:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:21:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 205 states and 297 transitions. [2024-11-13 21:21:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 297 transitions. [2024-11-13 21:21:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:21:00,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:00,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:21:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:00,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:21:00,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:21:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 207 states and 300 transitions. [2024-11-13 21:21:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2024-11-13 21:21:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:21:02,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:02,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:21:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 208 states and 302 transitions. [2024-11-13 21:21:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 302 transitions. [2024-11-13 21:21:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:21:03,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:03,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:21:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:03,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:21:03,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:21:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 225 states and 324 transitions. [2024-11-13 21:21:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 324 transitions. [2024-11-13 21:21:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:21:08,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:08,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:21:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:08,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:21:08,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:21:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 233 states and 335 transitions. [2024-11-13 21:21:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 335 transitions. [2024-11-13 21:21:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:21:18,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:18,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 21:21:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 233 states and 334 transitions. [2024-11-13 21:21:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2024-11-13 21:21:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:21:18,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:21:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:18,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:21:18,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:21:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 235 states and 338 transitions. [2024-11-13 21:21:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 338 transitions. [2024-11-13 21:21:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 21:21:20,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:20,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:21:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 253 states and 370 transitions. [2024-11-13 21:21:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 370 transitions. [2024-11-13 21:21:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:21:24,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 21:21:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 255 states and 375 transitions. [2024-11-13 21:21:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 375 transitions. [2024-11-13 21:21:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:21:25,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:25,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:25,239 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:21:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 274 states and 412 transitions. [2024-11-13 21:21:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 412 transitions. [2024-11-13 21:21:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:21:29,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 21:21:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 276 states and 416 transitions. [2024-11-13 21:21:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 416 transitions. [2024-11-13 21:21:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:21:33,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 21:21:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 280 states and 426 transitions. [2024-11-13 21:21:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 426 transitions. [2024-11-13 21:21:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:21:35,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:35,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 21:21:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 286 states and 439 transitions. [2024-11-13 21:21:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 439 transitions. [2024-11-13 21:21:49,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:21:49,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:49,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:49,733 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 21:22:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 290 states and 449 transitions. [2024-11-13 21:22:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 449 transitions. [2024-11-13 21:22:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:22:36,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:36,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 21:22:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 288 states and 447 transitions. [2024-11-13 21:22:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 447 transitions. [2024-11-13 21:22:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 21:22:38,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:38,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:24:45,319 WARN L286 SmtUtils]: Spent 22.67s on a formula simplification. DAG size of input: 20 DAG size of output: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:26:59,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:27:09,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:28:39,851 WARN L286 SmtUtils]: Spent 12.36s on a formula simplification. DAG size of input: 18 DAG size of output: 12 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:30:02,515 WARN L286 SmtUtils]: Spent 10.54s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:31:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 294 states and 460 transitions. [2024-11-13 21:31:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2024-11-13 21:31:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 21:31:39,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:39,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:39,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:31:39,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:35:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 307 states and 487 transitions. [2024-11-13 21:35:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 487 transitions. [2024-11-13 21:35:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:35:29,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:29,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.