./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:28,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:28,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:32:28,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:28,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:28,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:28,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:28,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:28,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:28,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:28,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:28,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:28,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:28,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:28,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:28,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:28,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:28,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:28,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:28,210 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:28,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:28,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:28,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:28,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:28,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:28,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:28,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:28,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:28,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:28,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:28,216 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:28,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:28,217 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:28,218 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_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 [2023-11-19 03:32:28,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:28,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:28,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:28,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:28,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:28,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2023-11-19 03:32:31,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:31,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:31,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2023-11-19 03:32:31,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/data/8c283e036/f69915b6df654f949103243188bb3d21/FLAG3058de521 [2023-11-19 03:32:31,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/data/8c283e036/f69915b6df654f949103243188bb3d21 [2023-11-19 03:32:31,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:31,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:31,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:31,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:31,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:31,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:31" (1/1) ... [2023-11-19 03:32:31,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bd92c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:31, skipping insertion in model container [2023-11-19 03:32:31,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:31" (1/1) ... [2023-11-19 03:32:32,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:32,214 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c[490,503] [2023-11-19 03:32:32,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:32,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:32,287 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c[490,503] [2023-11-19 03:32:32,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:32,333 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:32,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32 WrapperNode [2023-11-19 03:32:32,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:32,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:32,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:32,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:32,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,381 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-19 03:32:32,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:32,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:32,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:32,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:32,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:32,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:32,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:32,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:32,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:32,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:32,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c3b2c1-21d1-41d5-8305-c5b3aafca82f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:32:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:32:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:32:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:32:32,599 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:32,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:32,802 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:32,830 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:32,830 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:32:32,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:32 BoogieIcfgContainer [2023-11-19 03:32:32,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:32,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:32,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:32,860 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:32,860 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-19 03:32:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-19 03:32:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:32:32,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:33,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:32:33,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:33,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-19 03:32:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-19 03:32:33,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:32:33,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:33,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:32:33,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-19 03:32:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-19 03:32:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:32:33,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:33,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:33,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:32:33,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-19 03:32:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 03:32:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:32:34,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:34,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:32:34,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-11-19 03:32:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-11-19 03:32:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:32:34,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:34,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:32:34,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:34,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2023-11-19 03:32:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2023-11-19 03:32:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:32:34,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:34,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2023-11-19 03:32:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2023-11-19 03:32:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:32:35,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:35,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2023-11-19 03:32:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 03:32:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:32:35,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:35,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:35,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:32:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 117 transitions. [2023-11-19 03:32:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 03:32:39,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:32:39,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:39,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:39,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:39,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:32:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 121 transitions. [2023-11-19 03:32:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2023-11-19 03:32:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:32:39,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:39,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:39,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 138 transitions. [2023-11-19 03:32:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2023-11-19 03:32:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:32:40,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:32:40,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 141 transitions. [2023-11-19 03:32:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2023-11-19 03:32:41,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:32:41,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:41,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:41,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:41,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 75 states and 154 transitions. [2023-11-19 03:32:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 154 transitions. [2023-11-19 03:32:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:32:42,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:42,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:43,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:32:43,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:32:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 88 states and 190 transitions. [2023-11-19 03:32:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 190 transitions. [2023-11-19 03:32:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:32:47,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:47,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:47,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:32:47,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:32:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 90 states and 191 transitions. [2023-11-19 03:32:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 191 transitions. [2023-11-19 03:32:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:32:47,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:48,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:32:48,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 96 states and 209 transitions. [2023-11-19 03:32:49,634 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2023-11-19 03:32:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:32:49,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:49,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:49,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:49,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 97 states and 211 transitions. [2023-11-19 03:32:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 211 transitions. [2023-11-19 03:32:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:32:50,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:50,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:50,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:50,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 97 states and 210 transitions. [2023-11-19 03:32:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 210 transitions. [2023-11-19 03:32:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:32:50,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:50,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:32:50,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 104 states and 226 transitions. [2023-11-19 03:32:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 226 transitions. [2023-11-19 03:32:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:32:53,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:53,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:53,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:32:53,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:32:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 109 states and 235 transitions. [2023-11-19 03:32:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 235 transitions. [2023-11-19 03:32:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:32:56,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:56,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:32:56,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:32:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 117 states and 257 transitions. [2023-11-19 03:32:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 257 transitions. [2023-11-19 03:32:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:32:59,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:59,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:59,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:32:59,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 128 states and 287 transitions. [2023-11-19 03:33:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 287 transitions. [2023-11-19 03:33:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:33:05,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:05,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:33:05,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 136 states and 302 transitions. [2023-11-19 03:33:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 302 transitions. [2023-11-19 03:33:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:33:09,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:09,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:09,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:09,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:33:12,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 142 states and 319 transitions. [2023-11-19 03:33:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 319 transitions. [2023-11-19 03:33:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:33:12,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:12,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:12,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 145 states and 326 transitions. [2023-11-19 03:33:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 326 transitions. [2023-11-19 03:33:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:33:15,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:15,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:15,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:15,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 148 states and 332 transitions. [2023-11-19 03:33:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 332 transitions. [2023-11-19 03:33:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:33:17,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:17,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:17,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:17,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:33:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 155 states and 349 transitions. [2023-11-19 03:33:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 349 transitions. [2023-11-19 03:33:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:33:22,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:22,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:22,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:22,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:33:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 161 states and 361 transitions. [2023-11-19 03:33:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 361 transitions. [2023-11-19 03:33:26,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:33:26,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:26,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:26,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:26,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.