./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label03.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_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/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_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/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_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/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 edd2b31843d9af8ebad944111cef7226edba0a47aff25c00d4ec40ad3c72c14a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:43,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:43,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:48:43,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:43,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:43,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:43,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:43,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:43,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:43,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:43,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:43,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:43,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:43,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:43,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:43,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:43,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:43,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:43,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:43,768 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:43,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:43,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:43,769 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:43,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:43,770 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:43,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:43,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:43,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:43,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:43,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:43,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:43,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:43,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:43,775 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_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edd2b31843d9af8ebad944111cef7226edba0a47aff25c00d4ec40ad3c72c14a [2023-11-19 02:48:44,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:44,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:44,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:44,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:44,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:44,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label03.c [2023-11-19 02:48:47,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:47,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:47,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/sv-benchmarks/c/eca-rers2012/Problem04_label03.c [2023-11-19 02:48:47,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/data/6ca8f44c4/d94e3575a7a946f4a390a4329aed3761/FLAGe33c9d9f3 [2023-11-19 02:48:47,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/data/6ca8f44c4/d94e3575a7a946f4a390a4329aed3761 [2023-11-19 02:48:47,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:47,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:47,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:47,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:47,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:47,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:47" (1/1) ... [2023-11-19 02:48:47,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb1e562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:47, skipping insertion in model container [2023-11-19 02:48:47,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:47" (1/1) ... [2023-11-19 02:48:47,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:49,184 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_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/sv-benchmarks/c/eca-rers2012/Problem04_label03.c[180326,180339] [2023-11-19 02:48:49,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:49,218 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:49,928 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_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/sv-benchmarks/c/eca-rers2012/Problem04_label03.c[180326,180339] [2023-11-19 02:48:49,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:49,975 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:49,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49 WrapperNode [2023-11-19 02:48:49,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:49,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:49,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:49,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:49,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,231 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 02:48:50,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:50,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:50,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:50,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:50,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:50,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:50,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:50,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:50,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:50,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:50,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:50,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1726d49f-e6b4-49ff-aceb-5bc56e81eecd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:50,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:50,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:55,405 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:55,776 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:55,776 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:48:55,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:55 BoogieIcfgContainer [2023-11-19 02:48:55,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:55,790 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:55,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:55,800 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:55,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:55" (1/1) ... [2023-11-19 02:48:55,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 02:48:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 02:48:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 02:48:55,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:58,491 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 02:49:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1516 states and 2376 transitions. [2023-11-19 02:49:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2376 transitions. [2023-11-19 02:49:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 02:49:03,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:03,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:05,330 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 02:49:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1519 states and 2381 transitions. [2023-11-19 02:49:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2381 transitions. [2023-11-19 02:49:05,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 02:49:05,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:05,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1523 states and 2388 transitions. [2023-11-19 02:49:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2388 transitions. [2023-11-19 02:49:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 02:49:06,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:06,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:07,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1526 states and 2392 transitions. [2023-11-19 02:49:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2392 transitions. [2023-11-19 02:49:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 02:49:07,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:07,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1534 states and 2404 transitions. [2023-11-19 02:49:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2404 transitions. [2023-11-19 02:49:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 02:49:08,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:08,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1543 states and 2418 transitions. [2023-11-19 02:49:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2418 transitions. [2023-11-19 02:49:09,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 02:49:09,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:09,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:11,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1553 states and 2434 transitions. [2023-11-19 02:49:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2434 transitions. [2023-11-19 02:49:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 02:49:11,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:11,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1564 states and 2452 transitions. [2023-11-19 02:49:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2452 transitions. [2023-11-19 02:49:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 02:49:12,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:12,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:13,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1570 states and 2461 transitions. [2023-11-19 02:49:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2461 transitions. [2023-11-19 02:49:14,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 02:49:14,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:14,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 2324 states and 3335 transitions. [2023-11-19 02:49:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3335 transitions. [2023-11-19 02:49:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 02:49:19,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:19,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 2328 states and 3340 transitions. [2023-11-19 02:49:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 3340 transitions. [2023-11-19 02:49:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2023-11-19 02:49:20,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:20,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 2336 states and 3351 transitions. [2023-11-19 02:49:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3351 transitions. [2023-11-19 02:49:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 02:49:21,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:21,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 2350 states and 3369 transitions. [2023-11-19 02:49:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3369 transitions. [2023-11-19 02:49:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 02:49:22,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:22,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:49:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 2355 states and 3386 transitions. [2023-11-19 02:49:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3386 transitions. [2023-11-19 02:49:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 02:49:24,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:24,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:49:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 2358 states and 3391 transitions. [2023-11-19 02:49:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 3391 transitions. [2023-11-19 02:49:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 02:49:25,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:25,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:25,671 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 2366 states and 3401 transitions. [2023-11-19 02:49:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3401 transitions. [2023-11-19 02:49:25,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:49:25,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:25,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:49:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 2369 states and 3409 transitions. [2023-11-19 02:49:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3409 transitions. [2023-11-19 02:49:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:49:27,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:27,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:49:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 2370 states and 3411 transitions. [2023-11-19 02:49:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3411 transitions. [2023-11-19 02:49:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:49:27,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:49:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 2374 states and 3418 transitions. [2023-11-19 02:49:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3418 transitions. [2023-11-19 02:49:28,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:49:28,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:49:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 2376 states and 3421 transitions. [2023-11-19 02:49:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3421 transitions. [2023-11-19 02:49:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:49:28,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:28,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:49:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 2380 states and 3427 transitions. [2023-11-19 02:49:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3427 transitions. [2023-11-19 02:49:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2023-11-19 02:49:29,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:29,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:30,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 2387 states and 3436 transitions. [2023-11-19 02:49:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3436 transitions. [2023-11-19 02:49:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2023-11-19 02:49:30,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:49:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 2396 states and 3445 transitions. [2023-11-19 02:49:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3445 transitions. [2023-11-19 02:49:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2023-11-19 02:49:32,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat