./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/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_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/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_f111dcc5-e009-478e-bbbd-e6d94eede208/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 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:35,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:35,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:22:35,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:35,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:35,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:35,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:22:35,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:22:35,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:35,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:35,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:35,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:35,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:22:35,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:35,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:22:35,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:35,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:35,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:35,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:35,257 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:22:35,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:35,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:35,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:35,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:35,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:35,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:35,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:35,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:35,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:35,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:22:35,271 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:35,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:35,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:22:35,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f [2023-11-19 03:22:35,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:35,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:35,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:35,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:35,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:35,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2023-11-19 03:22:38,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:39,182 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:39,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2023-11-19 03:22:39,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/data/a91b15ada/812951bd3d1e499b9eabdbf769150b9a/FLAG147713bbd [2023-11-19 03:22:39,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/data/a91b15ada/812951bd3d1e499b9eabdbf769150b9a [2023-11-19 03:22:39,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:39,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:39,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:39,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:39,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:39,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785b9719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39, skipping insertion in model container [2023-11-19 03:22:39,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:39,469 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_f111dcc5-e009-478e-bbbd-e6d94eede208/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2023-11-19 03:22:39,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:39,504 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:39,519 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_f111dcc5-e009-478e-bbbd-e6d94eede208/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2023-11-19 03:22:39,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:39,546 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:39,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39 WrapperNode [2023-11-19 03:22:39,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:39,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:39,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:39,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:39,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,593 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-19 03:22:39,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:39,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:39,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:39,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:39,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:39,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:39,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:39,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:39,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:39,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:39,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:39,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f111dcc5-e009-478e-bbbd-e6d94eede208/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:22:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:22:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:22:39,794 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:39,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:40,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:40,106 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:40,106 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:22:40,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:40 BoogieIcfgContainer [2023-11-19 03:22:40,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:40,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:40,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:40,125 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:40,125 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:40" (1/1) ... [2023-11-19 03:22:40,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:22:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:22:40,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:22:40,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:22:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:22:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:22:40,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:22:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:22:40,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:22:40,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:40,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:22:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:22:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:22:40,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-19 03:22:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-19 03:22:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:22:41,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:41,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:41,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:22:41,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-19 03:22:42,760 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:22:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:22:42,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:42,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:42,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:42,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-19 03:22:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-19 03:22:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:22:43,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:43,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:43,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:43,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-19 03:22:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-19 03:22:44,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:22:44,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:44,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:22:44,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:22:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-19 03:22:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-19 03:22:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:22:44,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:44,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:22:44,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:22:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2023-11-19 03:22:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2023-11-19 03:22:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:22:45,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:45,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:22:45,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:22:46,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2023-11-19 03:22:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-11-19 03:22:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:22:46,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:46,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:46,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:46,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2023-11-19 03:22:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2023-11-19 03:22:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:22:48,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:48,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:48,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:22:48,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:22:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 59 states and 132 transitions. [2023-11-19 03:22:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 132 transitions. [2023-11-19 03:22:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:22:49,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:49,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:49,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:49,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2023-11-19 03:22:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2023-11-19 03:22:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:22:49,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:49,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:49,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:22:49,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 69 states and 171 transitions. [2023-11-19 03:22:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 171 transitions. [2023-11-19 03:22:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:22:52,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:52,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:22:52,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2023-11-19 03:22:54,073 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2023-11-19 03:22:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:22:54,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:54,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:54,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:22:54,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 76 states and 190 transitions. [2023-11-19 03:22:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 190 transitions. [2023-11-19 03:22:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:22:55,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:55,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:55,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:22:55,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 78 states and 191 transitions. [2023-11-19 03:22:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 191 transitions. [2023-11-19 03:22:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:22:56,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:56,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:56,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:22:56,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 81 states and 194 transitions. [2023-11-19 03:22:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 194 transitions. [2023-11-19 03:22:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:22:57,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:57,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:57,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:22:57,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 89 states and 239 transitions. [2023-11-19 03:23:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 239 transitions. [2023-11-19 03:23:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:23:00,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:00,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:00,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:23:00,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:23:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 92 states and 242 transitions. [2023-11-19 03:23:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 242 transitions. [2023-11-19 03:23:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:23:02,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:02,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:02,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:23:02,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 92 states and 241 transitions. [2023-11-19 03:23:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 241 transitions. [2023-11-19 03:23:02,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:23:02,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:02,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:02,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:23:02,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2023-11-19 03:23:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2023-11-19 03:23:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:23:03,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:03,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:03,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:23:03,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:23:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 102 states and 288 transitions. [2023-11-19 03:23:08,098 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 288 transitions. [2023-11-19 03:23:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:23:08,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:08,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:23:08,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:23:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 108 states and 296 transitions. [2023-11-19 03:23:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 296 transitions. [2023-11-19 03:23:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:23:10,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:23:10,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:23:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2023-11-19 03:23:12,090 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2023-11-19 03:23:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:12,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:12,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:12,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:23:12,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:23:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 115 states and 317 transitions. [2023-11-19 03:23:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 317 transitions. [2023-11-19 03:23:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:14,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:14,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:16,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:23:16,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:23:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 117 states and 318 transitions. [2023-11-19 03:23:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 318 transitions. [2023-11-19 03:23:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:19,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:19,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 125 states and 375 transitions. [2023-11-19 03:23:23,298 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 375 transitions. [2023-11-19 03:23:23,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:23,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:23,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:23,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:23:23,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:23:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 128 states and 378 transitions. [2023-11-19 03:23:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 378 transitions. [2023-11-19 03:23:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:25,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:26,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:23:26,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:23:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 131 states and 381 transitions. [2023-11-19 03:23:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 381 transitions. [2023-11-19 03:23:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:28,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:28,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:28,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 131 states and 380 transitions. [2023-11-19 03:23:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 380 transitions. [2023-11-19 03:23:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:28,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:28,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:28,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:23:28,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:23:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 134 states and 383 transitions. [2023-11-19 03:23:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 383 transitions. [2023-11-19 03:23:30,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:30,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:30,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:30,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 134 states and 382 transitions. [2023-11-19 03:23:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 382 transitions. [2023-11-19 03:23:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:31,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:31,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:31,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:31,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 134 states and 381 transitions. [2023-11-19 03:23:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 381 transitions. [2023-11-19 03:23:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:23:31,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:31,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:23:31,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.