./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/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_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/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_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/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 fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:47,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:47,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:11:47,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:47,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:47,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:47,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:11:47,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:11:47,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:47,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:47,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:47,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:11:47,310 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:47,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:47,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:47,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:47,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:11:47,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:47,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:11:47,314 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:47,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:11:47,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:47,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:47,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:47,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:47,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:47,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:47,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:47,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:47,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:11:47,319 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:47,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:47,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:11:47,320 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_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 [2023-11-19 03:11:47,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:47,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:47,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:47,695 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:47,695 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:47,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2023-11-19 03:11:50,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:51,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:51,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2023-11-19 03:11:51,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/data/3ecd6a3db/49a1d61e4d5c47a5b11a9b0d9b6e1541/FLAG8b3867c06 [2023-11-19 03:11:51,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/data/3ecd6a3db/49a1d61e4d5c47a5b11a9b0d9b6e1541 [2023-11-19 03:11:51,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:51,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:51,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:51,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:51,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:51,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:51" (1/1) ... [2023-11-19 03:11:51,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6ec8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:51, skipping insertion in model container [2023-11-19 03:11:51,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:51" (1/1) ... [2023-11-19 03:11:51,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:51,936 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_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2023-11-19 03:11:51,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:51,954 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:52,009 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_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2023-11-19 03:11:52,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:52,049 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:52,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52 WrapperNode [2023-11-19 03:11:52,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:52,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:52,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:52,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:52,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,107 INFO L138 Inliner]: procedures = 129, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 183 [2023-11-19 03:11:52,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:52,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:52,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:52,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:52,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:52,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:52,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:52,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:52,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:52,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:52,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:52,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a7b9bc-d5f6-42f4-a854-4f3ad2fe961b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-19 03:11:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-19 03:11:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:11:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:11:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:11:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:11:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:11:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:11:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:52,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:52,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:52,556 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-19 03:11:52,848 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:52,933 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:52,933 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-19 03:11:52,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:52 BoogieIcfgContainer [2023-11-19 03:11:52,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:52,946 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:52,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:52,962 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:52,963 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:52" (1/1) ... [2023-11-19 03:11:52,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-19 03:11:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-19 03:11:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:11:53,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:53,423 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 03:11:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-19 03:11:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 03:11:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:11:53,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-11-19 03:11:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-11-19 03:11:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:11:53,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:53,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:11:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2023-11-19 03:11:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2023-11-19 03:11:54,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:11:54,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:54,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2023-11-19 03:11:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2023-11-19 03:11:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:11:54,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:54,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:11:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2023-11-19 03:11:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2023-11-19 03:11:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:55,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:11:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 77 states and 136 transitions. [2023-11-19 03:11:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2023-11-19 03:11:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:11:58,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:58,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:11:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 135 transitions. [2023-11-19 03:11:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 135 transitions. [2023-11-19 03:11:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:11:58,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:58,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:11:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 138 transitions. [2023-11-19 03:11:58,382 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2023-11-19 03:11:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:11:58,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:11:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 148 transitions. [2023-11-19 03:11:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 148 transitions. [2023-11-19 03:11:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:11:59,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:59,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:11:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 151 transitions. [2023-11-19 03:11:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2023-11-19 03:11:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:11:59,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:00,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 102 states and 172 transitions. [2023-11-19 03:12:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 172 transitions. [2023-11-19 03:12:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:12:00,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:00,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:12:01,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 103 states and 174 transitions. [2023-11-19 03:12:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 174 transitions. [2023-11-19 03:12:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:12:01,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:12:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 104 states and 176 transitions. [2023-11-19 03:12:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 176 transitions. [2023-11-19 03:12:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:12:01,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:01,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:12:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 188 transitions. [2023-11-19 03:12:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2023-11-19 03:12:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:12:02,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:02,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 211 transitions. [2023-11-19 03:12:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2023-11-19 03:12:05,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:12:05,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:05,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 125 states and 214 transitions. [2023-11-19 03:12:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 214 transitions. [2023-11-19 03:12:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:12:05,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:12:05,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 217 transitions. [2023-11-19 03:12:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 217 transitions. [2023-11-19 03:12:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:12:05,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:05,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:12:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 130 states and 221 transitions. [2023-11-19 03:12:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2023-11-19 03:12:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:12:05,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:05,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:12:06,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-11-19 03:12:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-11-19 03:12:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:12:06,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:06,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 136 states and 227 transitions. [2023-11-19 03:12:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2023-11-19 03:12:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:12:06,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:06,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:12:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 143 states and 237 transitions. [2023-11-19 03:12:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 237 transitions. [2023-11-19 03:12:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:12:07,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:07,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:12:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-11-19 03:12:08,072 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-11-19 03:12:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:12:08,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:08,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 152 states and 255 transitions. [2023-11-19 03:12:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 255 transitions. [2023-11-19 03:12:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:12:10,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:10,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 154 states and 258 transitions. [2023-11-19 03:12:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 258 transitions. [2023-11-19 03:12:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:12:11,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:11,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 157 states and 266 transitions. [2023-11-19 03:12:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2023-11-19 03:12:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:12:12,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:12:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 158 states and 267 transitions. [2023-11-19 03:12:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 267 transitions. [2023-11-19 03:12:13,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:12:13,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:13,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 161 states and 272 transitions. [2023-11-19 03:12:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 272 transitions. [2023-11-19 03:12:13,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:12:13,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:13,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 164 states and 277 transitions. [2023-11-19 03:12:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 277 transitions. [2023-11-19 03:12:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:12:15,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:15,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:12:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 167 states and 283 transitions. [2023-11-19 03:12:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 283 transitions. [2023-11-19 03:12:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:12:15,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:15,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 176 states and 301 transitions. [2023-11-19 03:12:17,665 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 301 transitions. [2023-11-19 03:12:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:12:17,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:17,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 179 states and 306 transitions. [2023-11-19 03:12:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 306 transitions. [2023-11-19 03:12:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:12:18,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:18,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:19,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:19,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 182 states and 311 transitions. [2023-11-19 03:12:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 311 transitions. [2023-11-19 03:12:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:12:19,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:12:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 185 states and 315 transitions. [2023-11-19 03:12:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 315 transitions. [2023-11-19 03:12:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:12:20,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:20,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:21,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 186 states and 315 transitions. [2023-11-19 03:12:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 315 transitions. [2023-11-19 03:12:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:12:21,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 189 states and 320 transitions. [2023-11-19 03:12:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 320 transitions. [2023-11-19 03:12:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:12:22,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 192 states and 324 transitions. [2023-11-19 03:12:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 324 transitions. [2023-11-19 03:12:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:12:23,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:23,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:12:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 225 states and 398 transitions. [2023-11-19 03:12:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 398 transitions. [2023-11-19 03:12:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:12:36,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat