./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/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_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/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_456020b0-5781-4884-bb33-df5895193407/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 1924d97c04cfa5367e34b409aac63a4fd986c243eb4aa0af30578d8598fbdf71 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:28,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:28,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:28,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:28,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:28,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:28,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:28,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:28,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:28,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:28,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:28,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:28,560 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:28,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:28,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:28,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:28,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:28,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:28,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:28,565 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:28,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:28,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:28,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:28,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:28,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:28,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:28,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:28,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:28,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:28,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:28,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:28,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:28,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:28,573 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_456020b0-5781-4884-bb33-df5895193407/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1924d97c04cfa5367e34b409aac63a4fd986c243eb4aa0af30578d8598fbdf71 [2023-11-19 03:57:28,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:28,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:28,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:28,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:28,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:28,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2023-11-19 03:57:32,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:32,838 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:32,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2023-11-19 03:57:32,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/data/949192219/d95f3302196d409490979c5caa1c5d57/FLAGc35219e44 [2023-11-19 03:57:32,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/data/949192219/d95f3302196d409490979c5caa1c5d57 [2023-11-19 03:57:32,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:32,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:32,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:32,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:32,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:32,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:32" (1/1) ... [2023-11-19 03:57:32,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9e075e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:32, skipping insertion in model container [2023-11-19 03:57:32,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:32" (1/1) ... [2023-11-19 03:57:32,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:33,064 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_456020b0-5781-4884-bb33-df5895193407/sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c[642,655] [2023-11-19 03:57:33,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:33,124 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:33,135 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_456020b0-5781-4884-bb33-df5895193407/sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c[642,655] [2023-11-19 03:57:33,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:33,184 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:33,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33 WrapperNode [2023-11-19 03:57:33,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:33,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:33,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:33,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:33,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,230 INFO L138 Inliner]: procedures = 24, calls = 22, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 204 [2023-11-19 03:57:33,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:33,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:33,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:33,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:33,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:33,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:33,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:33,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:33,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:33,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:33,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:33,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456020b0-5781-4884-bb33-df5895193407/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 03:57:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 03:57:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:57:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:57:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2023-11-19 03:57:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2023-11-19 03:57:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:33,462 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:33,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:33,809 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:33,931 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:33,931 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:57:33,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:33 BoogieIcfgContainer [2023-11-19 03:57:33,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:33,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:33,939 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:33,953 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:33,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:33" (1/1) ... [2023-11-19 03:57:33,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 03:57:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 03:57:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:57:34,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:34,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:34,535 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 03:57:34,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2023-11-19 03:57:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2023-11-19 03:57:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:57:34,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:34,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:34,745 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 03:57:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 66 states and 101 transitions. [2023-11-19 03:57:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2023-11-19 03:57:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:57:34,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:34,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,082 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 03:57:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2023-11-19 03:57:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2023-11-19 03:57:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:35,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,450 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 03:57:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 78 states and 123 transitions. [2023-11-19 03:57:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-11-19 03:57:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:57:35,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,899 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 03:57:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 81 states and 129 transitions. [2023-11-19 03:57:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 129 transitions. [2023-11-19 03:57:36,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:57:36,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:36,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:36,458 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 03:57:37,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 89 states and 144 transitions. [2023-11-19 03:57:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2023-11-19 03:57:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:57:37,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 97 states and 159 transitions. [2023-11-19 03:57:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 159 transitions. [2023-11-19 03:57:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:38,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:38,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:57:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 99 states and 163 transitions. [2023-11-19 03:57:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 163 transitions. [2023-11-19 03:57:38,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:57:38,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:38,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:57:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 103 states and 168 transitions. [2023-11-19 03:57:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 168 transitions. [2023-11-19 03:57:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:57:38,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 184 transitions. [2023-11-19 03:57:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2023-11-19 03:57:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:57:39,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:39,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 117 states and 201 transitions. [2023-11-19 03:57:40,039 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2023-11-19 03:57:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:57:40,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:40,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:57:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 204 transitions. [2023-11-19 03:57:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2023-11-19 03:57:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:57:40,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:40,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:41,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 219 transitions. [2023-11-19 03:57:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2023-11-19 03:57:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:57:41,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:41,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2023-11-19 03:57:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2023-11-19 03:57:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:57:41,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:41,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:57:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 138 states and 234 transitions. [2023-11-19 03:57:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 234 transitions. [2023-11-19 03:57:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:42,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:42,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:57:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 138 states and 233 transitions. [2023-11-19 03:57:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2023-11-19 03:57:42,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:42,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:42,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:57:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 151 states and 267 transitions. [2023-11-19 03:57:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2023-11-19 03:57:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:44,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:44,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:57:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 278 transitions. [2023-11-19 03:57:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 278 transitions. [2023-11-19 03:57:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:44,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:44,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:57:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 163 states and 290 transitions. [2023-11-19 03:57:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 290 transitions. [2023-11-19 03:57:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:57:45,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:45,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:57:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 189 states and 348 transitions. [2023-11-19 03:57:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 348 transitions. [2023-11-19 03:57:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:57:50,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:57:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 199 states and 368 transitions. [2023-11-19 03:57:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 368 transitions. [2023-11-19 03:57:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:57:51,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:57:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 205 states and 379 transitions. [2023-11-19 03:57:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 379 transitions. [2023-11-19 03:57:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:57:52,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:57:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 206 states and 383 transitions. [2023-11-19 03:57:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 383 transitions. [2023-11-19 03:57:52,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:57:52,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:52,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:57:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 207 states and 388 transitions. [2023-11-19 03:57:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 388 transitions. [2023-11-19 03:57:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:57:53,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:53,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:57:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 208 states and 391 transitions. [2023-11-19 03:57:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 391 transitions. [2023-11-19 03:57:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:57:53,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:57:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 223 states and 428 transitions. [2023-11-19 03:57:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 428 transitions. [2023-11-19 03:57:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:57:56,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:56,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:57:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 224 states and 430 transitions. [2023-11-19 03:57:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 430 transitions. [2023-11-19 03:57:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:57:57,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:57,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:57:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 226 states and 437 transitions. [2023-11-19 03:57:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 437 transitions. [2023-11-19 03:57:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:57:59,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:59,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:58:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 226 states and 436 transitions. [2023-11-19 03:58:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 436 transitions. [2023-11-19 03:58:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:58:01,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:01,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:58:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 226 states and 435 transitions. [2023-11-19 03:58:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 435 transitions. [2023-11-19 03:58:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:58:02,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:58:03,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 224 states and 431 transitions. [2023-11-19 03:58:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 431 transitions. [2023-11-19 03:58:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:58:03,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:03,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:58:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 229 states and 439 transitions. [2023-11-19 03:58:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 439 transitions. [2023-11-19 03:58:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:58:03,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:03,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:58:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 234 states and 453 transitions. [2023-11-19 03:58:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 453 transitions. [2023-11-19 03:58:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:58:04,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:04,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:58:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 236 states and 456 transitions. [2023-11-19 03:58:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 456 transitions. [2023-11-19 03:58:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:58:04,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:04,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 234 states and 445 transitions. [2023-11-19 03:58:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 445 transitions. [2023-11-19 03:58:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:58:06,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:58:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 235 states and 448 transitions. [2023-11-19 03:58:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 448 transitions. [2023-11-19 03:58:06,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:58:06,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:58:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 236 states and 449 transitions. [2023-11-19 03:58:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 449 transitions. [2023-11-19 03:58:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:58:06,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:58:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 238 states and 452 transitions. [2023-11-19 03:58:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 452 transitions. [2023-11-19 03:58:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:58:08,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:08,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:58:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 245 states and 469 transitions. [2023-11-19 03:58:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 469 transitions. [2023-11-19 03:58:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:58:09,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:58:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 246 states and 472 transitions. [2023-11-19 03:58:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 472 transitions. [2023-11-19 03:58:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:58:09,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:58:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 247 states and 475 transitions. [2023-11-19 03:58:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 475 transitions. [2023-11-19 03:58:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:58:09,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:58:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 248 states and 476 transitions. [2023-11-19 03:58:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 476 transitions. [2023-11-19 03:58:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:58:09,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:58:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 250 states and 480 transitions. [2023-11-19 03:58:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 480 transitions. [2023-11-19 03:58:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:58:10,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:10,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:58:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 251 states and 481 transitions. [2023-11-19 03:58:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 481 transitions. [2023-11-19 03:58:10,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:58:10,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:58:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 251 states and 480 transitions. [2023-11-19 03:58:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 480 transitions. [2023-11-19 03:58:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:58:11,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:11,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:58:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 265 states and 506 transitions. [2023-11-19 03:58:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 506 transitions. [2023-11-19 03:58:15,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:58:15,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:15,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:58:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 278 states and 540 transitions. [2023-11-19 03:58:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 540 transitions. [2023-11-19 03:58:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:58:17,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:17,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.