./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9 --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 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:37:08,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:37:08,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:37:08,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:37:08,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:37:08,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:37:08,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:37:08,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:37:08,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:37:08,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:37:08,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:37:08,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:37:08,175 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:37:08,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:37:08,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:37:08,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:37:08,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:37:08,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:37:08,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:37:08,179 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:37:08,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:37:08,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:37:08,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:37:08,181 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:37:08,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:37:08,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:37:08,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:37:08,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:37:08,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:37:08,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:37:08,183 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:37:08,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:37:08,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:37:08,184 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_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 [2023-12-03 04:37:08,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:37:08,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:37:08,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:37:08,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:37:08,450 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:37:08,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2023-12-03 04:37:11,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:37:11,434 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:37:11,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2023-12-03 04:37:11,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/data/73f47986b/8172dd0097af4011864499d6bf62cb01/FLAG9c9943488 [2023-12-03 04:37:11,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/data/73f47986b/8172dd0097af4011864499d6bf62cb01 [2023-12-03 04:37:11,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:37:11,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:37:11,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:37:11,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:37:11,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:37:11,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360ef5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11, skipping insertion in model container [2023-12-03 04:37:11,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:37:11,810 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_eb985f2f-dadc-4f08-8685-986c3f92f249/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2023-12-03 04:37:11,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:37:11,825 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:37:11,863 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_eb985f2f-dadc-4f08-8685-986c3f92f249/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2023-12-03 04:37:11,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:37:11,896 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:37:11,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11 WrapperNode [2023-12-03 04:37:11,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:37:11,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:37:11,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:37:11,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:37:11,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,940 INFO L138 Inliner]: procedures = 125, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 89 [2023-12-03 04:37:11,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:37:11,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:37:11,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:37:11,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:37:11,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:37:11,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:37:11,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:37:11,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:37:11,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:37:11,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:37:12,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:37:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb985f2f-dadc-4f08-8685-986c3f92f249/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:37:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:37:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:37:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:37:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:37:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:37:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:37:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:37:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:37:12,156 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:37:12,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:37:12,308 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:37:12,349 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:37:12,350 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 04:37:12,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:37:12 BoogieIcfgContainer [2023-12-03 04:37:12,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:37:12,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:37:12,353 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:37:12,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:37:12,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:12,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:37:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-12-03 04:37:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-12-03 04:37:12,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:37:12,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:12,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 04:37:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 04:37:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:37:12,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:12,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-12-03 04:37:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-12-03 04:37:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:37:12,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:12,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-12-03 04:37:13,087 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-12-03 04:37:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:37:13,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:13,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:37:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2023-12-03 04:37:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2023-12-03 04:37:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:37:13,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:13,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-12-03 04:37:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-12-03 04:37:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:37:14,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:37:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-12-03 04:37:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-12-03 04:37:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:37:15,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:15,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2023-12-03 04:37:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2023-12-03 04:37:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:37:18,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:18,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2023-12-03 04:37:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2023-12-03 04:37:19,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:37:19,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:19,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:37:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2023-12-03 04:37:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2023-12-03 04:37:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:37:20,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:20,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:37:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-12-03 04:37:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-12-03 04:37:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:37:21,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:21,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:37:24,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 04:37:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 04:37:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:37:24,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:37:27,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2023-12-03 04:37:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2023-12-03 04:37:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:37:27,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:27,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:37:36,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2023-12-03 04:37:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2023-12-03 04:37:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:37:36,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:36,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:37:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 121 transitions. [2023-12-03 04:37:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2023-12-03 04:37:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:37:43,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:43,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:37:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 144 transitions. [2023-12-03 04:37:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 144 transitions. [2023-12-03 04:37:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:37:54,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:37:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 146 transitions. [2023-12-03 04:37:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 146 transitions. [2023-12-03 04:37:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:37:56,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:56,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:37:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:58,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 60 states and 122 transitions. [2023-12-03 04:37:58,244 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 122 transitions. [2023-12-03 04:37:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:37:58,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:58,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 135 transitions. [2023-12-03 04:38:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 135 transitions. [2023-12-03 04:38:03,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:38:03,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:03,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 64 states and 145 transitions. [2023-12-03 04:38:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 145 transitions. [2023-12-03 04:38:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:38:05,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:05,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 148 transitions. [2023-12-03 04:38:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 148 transitions. [2023-12-03 04:38:11,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:38:11,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 161 transitions. [2023-12-03 04:38:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 161 transitions. [2023-12-03 04:38:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:38:18,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:18,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 69 states and 164 transitions. [2023-12-03 04:38:23,828 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 164 transitions. [2023-12-03 04:38:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:38:23,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:23,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 70 states and 177 transitions. [2023-12-03 04:38:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 177 transitions. [2023-12-03 04:38:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:38:26,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:26,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 73 states and 199 transitions. [2023-12-03 04:38:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 199 transitions. [2023-12-03 04:38:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:38:37,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:37,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:38:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 75 states and 208 transitions. [2023-12-03 04:38:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 208 transitions. [2023-12-03 04:38:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:38:40,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:40,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:38:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:51,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 75 states and 206 transitions. [2023-12-03 04:38:51,844 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 206 transitions. [2023-12-03 04:38:51,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:38:51,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:51,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:39:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 78 states and 232 transitions. [2023-12-03 04:39:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 232 transitions. [2023-12-03 04:39:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:39:01,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:01,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:39:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 79 states and 236 transitions. [2023-12-03 04:39:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 236 transitions. [2023-12-03 04:39:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:39:06,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:06,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:39:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 82 states and 258 transitions. [2023-12-03 04:39:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 258 transitions. [2023-12-03 04:39:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:39:17,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:17,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:39:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 95 states and 284 transitions. [2023-12-03 04:39:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 284 transitions. [2023-12-03 04:39:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:39:28,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:28,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:39:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 96 states and 286 transitions. [2023-12-03 04:39:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 286 transitions. [2023-12-03 04:39:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:39:30,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:30,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:39:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 107 states and 317 transitions. [2023-12-03 04:39:54,616 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 317 transitions. [2023-12-03 04:39:54,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:39:54,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:54,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:40:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 108 states and 327 transitions. [2023-12-03 04:40:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 327 transitions. [2023-12-03 04:40:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:40:05,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:05,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:40:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 112 states and 342 transitions. [2023-12-03 04:40:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 342 transitions. [2023-12-03 04:40:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:40:23,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:23,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:40:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 114 states and 359 transitions. [2023-12-03 04:40:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 359 transitions. [2023-12-03 04:40:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:40:37,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:40:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 116 states and 368 transitions. [2023-12-03 04:40:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 368 transitions. [2023-12-03 04:40:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:40:54,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:54,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:41:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 118 states and 379 transitions. [2023-12-03 04:41:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 379 transitions. [2023-12-03 04:41:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:41:04,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:04,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:41:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 119 states and 386 transitions. [2023-12-03 04:41:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 386 transitions. [2023-12-03 04:41:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:41:07,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:07,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:41:11,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 121 states and 388 transitions. [2023-12-03 04:41:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 388 transitions. [2023-12-03 04:41:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:41:11,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 04:41:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 110 states and 360 transitions. [2023-12-03 04:41:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 360 transitions. [2023-12-03 04:41:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:41:15,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:15,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:41:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 112 states and 365 transitions. [2023-12-03 04:41:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 365 transitions. [2023-12-03 04:41:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:41:29,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:29,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:41:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 113 states and 367 transitions. [2023-12-03 04:41:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 367 transitions. [2023-12-03 04:41:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:41:41,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:42:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 113 states and 366 transitions. [2023-12-03 04:42:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 366 transitions. [2023-12-03 04:42:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:42:02,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:02,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 04:42:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 129 states and 408 transitions. [2023-12-03 04:42:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 408 transitions. [2023-12-03 04:42:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:42:25,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 04:42:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:28,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 130 states and 417 transitions. [2023-12-03 04:42:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 417 transitions. [2023-12-03 04:42:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:42:28,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:28,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 04:42:31,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:31,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 131 states and 427 transitions. [2023-12-03 04:42:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 427 transitions. [2023-12-03 04:42:31,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:42:31,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:31,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 04:42:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 132 states and 436 transitions. [2023-12-03 04:42:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 436 transitions. [2023-12-03 04:42:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:42:34,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:34,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 04:42:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 133 states and 441 transitions. [2023-12-03 04:42:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 441 transitions. [2023-12-03 04:42:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:42:37,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:43:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 147 states and 481 transitions. [2023-12-03 04:43:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 481 transitions. [2023-12-03 04:43:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:43:25,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:25,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:43:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 149 states and 489 transitions. [2023-12-03 04:43:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 489 transitions. [2023-12-03 04:43:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:43:55,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:55,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:18,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 151 states and 507 transitions. [2023-12-03 04:44:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 507 transitions. [2023-12-03 04:44:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:44:18,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:18,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:44:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 152 states and 509 transitions. [2023-12-03 04:44:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 509 transitions. [2023-12-03 04:44:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:44:39,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:45:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 163 states and 555 transitions. [2023-12-03 04:45:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 555 transitions. [2023-12-03 04:45:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:45:37,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:46:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 165 states and 559 transitions. [2023-12-03 04:46:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 559 transitions. [2023-12-03 04:46:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:46:09,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:09,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 04:46:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 167 states and 561 transitions. [2023-12-03 04:46:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 561 transitions. [2023-12-03 04:46:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:46:16,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:16,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 04:46:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 147 states and 519 transitions. [2023-12-03 04:46:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 519 transitions. [2023-12-03 04:46:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:46:23,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:23,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:46:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 149 states and 540 transitions. [2023-12-03 04:46:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 540 transitions. [2023-12-03 04:46:52,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:46:52,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:52,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:47:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 151 states and 556 transitions. [2023-12-03 04:47:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 556 transitions. [2023-12-03 04:47:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:47:26,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:26,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:47:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 154 states and 583 transitions. [2023-12-03 04:47:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 583 transitions. [2023-12-03 04:47:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:47:59,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:48:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 155 states and 585 transitions. [2023-12-03 04:48:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 585 transitions. [2023-12-03 04:48:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:48:26,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:26,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:48:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 157 states and 597 transitions. [2023-12-03 04:48:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 597 transitions. [2023-12-03 04:48:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:48:56,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:56,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:49:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 158 states and 600 transitions. [2023-12-03 04:49:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 600 transitions. [2023-12-03 04:49:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:49:04,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:49:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 159 states and 605 transitions. [2023-12-03 04:49:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 605 transitions. [2023-12-03 04:49:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:49:28,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:50:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 162 states and 633 transitions. [2023-12-03 04:50:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 633 transitions. [2023-12-03 04:50:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:50:06,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:06,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:50:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 04:50:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 162 states and 626 transitions. [2023-12-03 04:50:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 626 transitions. [2023-12-03 04:50:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:50:55,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:55,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:50:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 04:51:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 163 states and 647 transitions. [2023-12-03 04:51:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 647 transitions. [2023-12-03 04:51:17,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:51:17,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:17,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.