./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/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_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:08,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:08,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:01:08,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:08,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:08,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:08,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:08,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:08,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:08,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:08,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:08,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:08,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:08,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:08,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:08,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:08,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:08,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:08,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:08,948 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:08,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:08,955 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:08,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:08,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:08,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:08,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:08,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:08,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:08,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:08,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:08,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:08,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:08,964 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:08,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:08,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:08,966 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_13e8f0ff-c45b-448f-bcf2-188a123c0675/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ac641bc90237de255e915a5ed362430f6ac59f0f6642be7f9d8479ff0a7576 [2023-11-19 04:01:09,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:09,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:09,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:09,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:09,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:09,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-nla/hard2-both-nt.c [2023-11-19 04:01:12,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:12,651 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:12,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/sv-benchmarks/c/termination-nla/hard2-both-nt.c [2023-11-19 04:01:12,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/data/584993e21/dc63357f013e4e6ab6161b91698a77a4/FLAGa6f2d3381 [2023-11-19 04:01:12,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/data/584993e21/dc63357f013e4e6ab6161b91698a77a4 [2023-11-19 04:01:12,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:12,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:12,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:12,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:12,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:12,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:12,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb733ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12, skipping insertion in model container [2023-11-19 04:01:12,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:12,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:12,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:12,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:12,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:12,957 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:12,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12 WrapperNode [2023-11-19 04:01:12,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:12,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:12,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:12,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:12,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:12,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,000 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-19 04:01:13,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:13,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:13,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:13,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:13,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:13,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:13,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:13,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:13,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:13,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:13,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:13,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:13,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e8f0ff-c45b-448f-bcf2-188a123c0675/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:13,190 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:13,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:13,404 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:13,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:13,425 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:13,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:13 BoogieIcfgContainer [2023-11-19 04:01:13,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:13,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:13,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:13,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:13,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-19 04:01:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-19 04:01:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:01:13,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:13,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:13,701 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 04:01:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2023-11-19 04:01:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2023-11-19 04:01:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:01:13,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:13,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:13,814 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 04:01:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-19 04:01:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-19 04:01:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:01:13,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:13,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:13,916 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 04:01:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-19 04:01:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-19 04:01:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:01:14,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,076 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 04:01:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2023-11-19 04:01:14,254 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2023-11-19 04:01:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:01:14,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,299 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 04:01:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 67 transitions. [2023-11-19 04:01:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2023-11-19 04:01:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:14,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,648 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 04:01:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-19 04:01:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-19 04:01:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:14,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,731 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 04:01:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-19 04:01:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-19 04:01:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:15,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:15,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:15,187 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 04:01:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2023-11-19 04:01:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2023-11-19 04:01:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:15,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:15,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:15,611 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 04:01:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2023-11-19 04:01:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2023-11-19 04:01:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:01:16,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:16,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:16,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:16,205 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 04:01:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 75 states and 110 transitions. [2023-11-19 04:01:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-19 04:01:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:01:16,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:16,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:16,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2023-11-19 04:01:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2023-11-19 04:01:17,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:17,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:17,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:17,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 127 transitions. [2023-11-19 04:01:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2023-11-19 04:01:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:01:18,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2023-11-19 04:01:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-19 04:01:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:18,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 97 states and 142 transitions. [2023-11-19 04:01:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2023-11-19 04:01:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:18,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 105 states and 160 transitions. [2023-11-19 04:01:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2023-11-19 04:01:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:19,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 168 transitions. [2023-11-19 04:01:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2023-11-19 04:01:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:20,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:20,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:20,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 117 states and 177 transitions. [2023-11-19 04:01:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2023-11-19 04:01:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:21,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:21,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 120 states and 185 transitions. [2023-11-19 04:01:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 185 transitions. [2023-11-19 04:01:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:21,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 194 transitions. [2023-11-19 04:01:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 194 transitions. [2023-11-19 04:01:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:22,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:22,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:22,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:22,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-19 04:01:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-19 04:01:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:23,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:23,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:23,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 134 states and 206 transitions. [2023-11-19 04:01:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2023-11-19 04:01:23,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:23,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:23,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 139 states and 212 transitions. [2023-11-19 04:01:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-19 04:01:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:24,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:24,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:24,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:01:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-19 04:01:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-19 04:01:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:24,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:24,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:24,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:24,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2023-11-19 04:01:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2023-11-19 04:01:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:01:25,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:25,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:25,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 157 states and 249 transitions. [2023-11-19 04:01:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-11-19 04:01:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:01:26,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:26,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:26,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:26,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:01:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 165 states and 259 transitions. [2023-11-19 04:01:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 259 transitions. [2023-11-19 04:01:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:01:27,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:27,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:27,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:27,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 168 states and 267 transitions. [2023-11-19 04:01:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 267 transitions. [2023-11-19 04:01:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:28,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:28,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:28,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:28,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:01:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 176 states and 277 transitions. [2023-11-19 04:01:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 277 transitions. [2023-11-19 04:01:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:01:29,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:29,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 179 states and 282 transitions. [2023-11-19 04:01:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 282 transitions. [2023-11-19 04:01:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:30,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:30,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:30,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 187 states and 296 transitions. [2023-11-19 04:01:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 296 transitions. [2023-11-19 04:01:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:01:31,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:31,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 190 states and 307 transitions. [2023-11-19 04:01:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 307 transitions. [2023-11-19 04:01:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:01:31,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:31,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:31,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 195 states and 314 transitions. [2023-11-19 04:01:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 314 transitions. [2023-11-19 04:01:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:32,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:32,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:32,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:01:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 202 states and 322 transitions. [2023-11-19 04:01:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 322 transitions. [2023-11-19 04:01:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:01:33,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:33,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:33,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:33,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 210 states and 348 transitions. [2023-11-19 04:01:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 348 transitions. [2023-11-19 04:01:34,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:01:34,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:34,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:34,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 216 states and 360 transitions. [2023-11-19 04:01:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 360 transitions. [2023-11-19 04:01:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:35,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:35,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:35,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:35,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:01:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 224 states and 370 transitions. [2023-11-19 04:01:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 370 transitions. [2023-11-19 04:01:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:36,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:36,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:36,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:36,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 227 states and 378 transitions. [2023-11-19 04:01:37,953 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 378 transitions. [2023-11-19 04:01:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:01:37,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:37,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:37,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:37,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:38,088 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:01:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 235 states and 388 transitions. [2023-11-19 04:01:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 388 transitions. [2023-11-19 04:01:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:01:39,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:39,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:39,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:01:39,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 238 states and 393 transitions. [2023-11-19 04:01:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2023-11-19 04:01:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:01:40,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:40,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:40,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:01:40,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 241 states and 406 transitions. [2023-11-19 04:01:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 406 transitions. [2023-11-19 04:01:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:01:41,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:41,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:41,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:41,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 250 states and 421 transitions. [2023-11-19 04:01:43,268 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 421 transitions. [2023-11-19 04:01:43,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:01:43,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:43,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:43,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 255 states and 428 transitions. [2023-11-19 04:01:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 428 transitions. [2023-11-19 04:01:44,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:44,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:44,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:44,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:44,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 04:01:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 262 states and 436 transitions. [2023-11-19 04:01:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 436 transitions. [2023-11-19 04:01:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:45,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:45,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:45,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:01:45,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 270 states and 466 transitions. [2023-11-19 04:01:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 466 transitions. [2023-11-19 04:01:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:01:47,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:47,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 276 states and 478 transitions. [2023-11-19 04:01:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 478 transitions. [2023-11-19 04:01:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:01:48,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:48,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 04:01:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 284 states and 488 transitions. [2023-11-19 04:01:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 488 transitions. [2023-11-19 04:01:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:01:49,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:49,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:01:49,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:51,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 287 states and 496 transitions. [2023-11-19 04:01:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 496 transitions. [2023-11-19 04:01:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:01:51,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:51,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:51,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:51,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 04:01:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 295 states and 506 transitions. [2023-11-19 04:01:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 506 transitions. [2023-11-19 04:01:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:01:52,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:52,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:52,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 298 states and 511 transitions. [2023-11-19 04:01:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 511 transitions. [2023-11-19 04:01:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:01:54,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:54,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:54,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:54,699 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 301 states and 526 transitions. [2023-11-19 04:01:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 526 transitions. [2023-11-19 04:01:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:01:55,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:55,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:01:55,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 310 states and 541 transitions. [2023-11-19 04:01:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 541 transitions. [2023-11-19 04:01:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:01:57,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:57,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:01:57,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 315 states and 548 transitions. [2023-11-19 04:01:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 548 transitions. [2023-11-19 04:01:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:01:59,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:59,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:59,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 04:02:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 322 states and 556 transitions. [2023-11-19 04:02:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 556 transitions. [2023-11-19 04:02:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:00,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:00,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:00,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:02:00,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 330 states and 590 transitions. [2023-11-19 04:02:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 590 transitions. [2023-11-19 04:02:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:02:02,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:02:02,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 336 states and 602 transitions. [2023-11-19 04:02:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 602 transitions. [2023-11-19 04:02:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:02:04,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:04,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:02:04,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 04:02:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 344 states and 612 transitions. [2023-11-19 04:02:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 612 transitions. [2023-11-19 04:02:06,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:02:06,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:06,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:06,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:02:06,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 347 states and 620 transitions. [2023-11-19 04:02:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 620 transitions. [2023-11-19 04:02:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:02:07,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:07,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:07,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:02:07,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.