./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label53.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_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/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_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/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_39bbdbf4-afae-4630-a7ce-71fbaf40a986/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 e8b7c0d7da560977bc694fefac5e040eb36e46a147dcbd447ad36037f58eb6a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:34,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:35,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:02:35,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:35,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:35,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:35,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:35,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:35,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:35,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:35,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:35,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:35,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:35,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:35,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:35,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:35,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:35,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:35,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:35,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:35,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:35,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:35,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:35,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:35,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:35,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:35,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:35,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:35,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:35,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:35,094 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:35,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:35,095 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:35,095 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_39bbdbf4-afae-4630-a7ce-71fbaf40a986/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8b7c0d7da560977bc694fefac5e040eb36e46a147dcbd447ad36037f58eb6a3 [2023-11-19 04:02:35,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:35,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:35,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:35,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:35,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:35,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label53.c [2023-11-19 04:02:38,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:39,318 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:39,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/sv-benchmarks/c/eca-rers2012/Problem06_label53.c [2023-11-19 04:02:39,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/data/7a7397921/3f527b15c3a94359bb0d8037aa6b2441/FLAGd0aef95c7 [2023-11-19 04:02:39,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/data/7a7397921/3f527b15c3a94359bb0d8037aa6b2441 [2023-11-19 04:02:39,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:39,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:39,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:39,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:39,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:39,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:39" (1/1) ... [2023-11-19 04:02:39,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da0f363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:39, skipping insertion in model container [2023-11-19 04:02:39,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:39" (1/1) ... [2023-11-19 04:02:39,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:41,771 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_39bbdbf4-afae-4630-a7ce-71fbaf40a986/sv-benchmarks/c/eca-rers2012/Problem06_label53.c[337552,337565] [2023-11-19 04:02:41,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:41,810 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:43,018 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_39bbdbf4-afae-4630-a7ce-71fbaf40a986/sv-benchmarks/c/eca-rers2012/Problem06_label53.c[337552,337565] [2023-11-19 04:02:43,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:43,085 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:43,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43 WrapperNode [2023-11-19 04:02:43,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:43,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:43,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:43,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:43,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:43,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:43,594 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 04:02:43,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:43,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:43,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:43,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:43,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:43,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:43,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:43,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:43,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:44,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:44,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:44,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:44,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:44,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:44,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:44,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:44,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:43" (1/1) ... [2023-11-19 04:02:44,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:44,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:44,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:44,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39bbdbf4-afae-4630-a7ce-71fbaf40a986/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:44,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:44,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:44,392 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:44,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:52,408 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:53,976 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:53,977 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:53,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:53 BoogieIcfgContainer [2023-11-19 04:02:53,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:53,992 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:53,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:54,004 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:54,005 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:53" (1/1) ... [2023-11-19 04:02:54,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 04:02:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 04:02:54,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 04:02:54,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:54,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 1865 states and 3208 transitions. [2023-11-19 04:03:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3208 transitions. [2023-11-19 04:03:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 04:03:04,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:04,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:06,270 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 04:03:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:06,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1868 states and 3213 transitions. [2023-11-19 04:03:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3213 transitions. [2023-11-19 04:03:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 04:03:06,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:06,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:07,828 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 04:03:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 1872 states and 3220 transitions. [2023-11-19 04:03:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3220 transitions. [2023-11-19 04:03:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 04:03:08,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:08,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 1879 states and 3231 transitions. [2023-11-19 04:03:10,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3231 transitions. [2023-11-19 04:03:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 04:03:10,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:10,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:13,312 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 04:03:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 1887 states and 3244 transitions. [2023-11-19 04:03:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3244 transitions. [2023-11-19 04:03:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 04:03:13,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:13,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:14,987 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 04:03:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 1896 states and 3259 transitions. [2023-11-19 04:03:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3259 transitions. [2023-11-19 04:03:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2023-11-19 04:03:15,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:16,590 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 04:03:16,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 1902 states and 3268 transitions. [2023-11-19 04:03:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3268 transitions. [2023-11-19 04:03:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2023-11-19 04:03:17,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:17,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 1907 states and 3276 transitions. [2023-11-19 04:03:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 3276 transitions. [2023-11-19 04:03:18,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 944 [2023-11-19 04:03:18,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:18,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.