./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/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_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:24,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:25,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:00:25,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:25,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:25,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:25,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:25,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:25,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:25,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:25,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:25,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:25,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:25,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:25,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:25,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:25,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:25,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:25,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:25,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:25,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:25,092 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:25,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:25,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:25,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:25,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:25,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:25,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:25,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:25,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:25,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:25,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:25,098 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:25,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:25,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:25,100 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_4d8b000a-8ca0-4471-bfab-5285b07117c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 [2023-11-19 04:00:25,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:25,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:25,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:25,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:25,439 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:25,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2023-11-19 04:00:28,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:28,814 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:28,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2023-11-19 04:00:28,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/data/0b92d9494/5a2064e521134ea08c7287130a75cb5a/FLAG16a93c212 [2023-11-19 04:00:28,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/data/0b92d9494/5a2064e521134ea08c7287130a75cb5a [2023-11-19 04:00:28,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:28,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:28,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:28,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:28,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:28,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790b9491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28, skipping insertion in model container [2023-11-19 04:00:28,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,891 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:29,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:29,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:29,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:29,189 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:29,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29 WrapperNode [2023-11-19 04:00:29,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:29,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:29,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:29,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:29,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,242 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 04:00:29,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:29,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:29,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:29,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:29,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:29,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:29,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:29,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:29,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:29,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:29,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:29,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8b000a-8ca0-4471-bfab-5285b07117c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:00:29,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:00:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:29,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:29,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:29,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:00:29,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:00:29,413 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:29,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:29,663 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:29,690 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:29,691 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:00:29,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:29 BoogieIcfgContainer [2023-11-19 04:00:29,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:29,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:29,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:29,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:29,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:29" (1/1) ... [2023-11-19 04:00:29,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:29,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 04:00:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 04:00:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:00:29,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-19 04:00:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 04:00:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:30,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-19 04:00:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 04:00:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:30,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-19 04:00:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-19 04:00:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:31,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:31,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-19 04:00:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 04:00:31,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:00:31,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-19 04:00:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-19 04:00:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:00:31,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-19 04:00:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-19 04:00:32,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:00:32,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:32,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:32,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:32,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-19 04:00:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-19 04:00:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:00:32,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:32,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:32,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:00:32,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-19 04:00:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-19 04:00:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:00:33,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:33,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-19 04:00:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-19 04:00:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:00:33,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:33,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-19 04:00:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-19 04:00:34,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:00:34,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:34,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 04:00:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-19 04:00:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-19 04:00:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:00:36,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:36,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:36,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:37,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-19 04:00:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-19 04:00:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:00:37,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:37,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:37,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:37,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2023-11-19 04:00:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-11-19 04:00:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:00:37,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:37,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:37,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:00:37,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 101 states and 180 transitions. [2023-11-19 04:00:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 180 transitions. [2023-11-19 04:00:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:00:38,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:38,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:38,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:38,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:39,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:39,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 103 states and 185 transitions. [2023-11-19 04:00:39,753 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 185 transitions. [2023-11-19 04:00:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:00:39,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:39,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:39,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:39,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:41,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 111 states and 207 transitions. [2023-11-19 04:00:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 207 transitions. [2023-11-19 04:00:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:00:41,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:41,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:41,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:41,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 115 states and 216 transitions. [2023-11-19 04:00:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 216 transitions. [2023-11-19 04:00:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:00:42,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:42,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:42,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 115 states and 214 transitions. [2023-11-19 04:00:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 214 transitions. [2023-11-19 04:00:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:00:42,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:42,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:00:42,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:43,592 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 119 states and 222 transitions. [2023-11-19 04:00:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 222 transitions. [2023-11-19 04:00:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:00:45,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:45,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 119 states and 218 transitions. [2023-11-19 04:00:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 218 transitions. [2023-11-19 04:00:45,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:00:45,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:45,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 119 states and 217 transitions. [2023-11-19 04:00:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 217 transitions. [2023-11-19 04:00:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:00:46,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:46,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:46,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:00:46,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 124 states and 226 transitions. [2023-11-19 04:00:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 226 transitions. [2023-11-19 04:00:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:00:47,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:47,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:47,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:00:47,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 129 states and 236 transitions. [2023-11-19 04:00:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 236 transitions. [2023-11-19 04:00:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:00:48,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:49,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:00:49,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 249 transitions. [2023-11-19 04:00:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 249 transitions. [2023-11-19 04:00:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:00:49,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:49,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:49,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:49,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:51,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 142 states and 277 transitions. [2023-11-19 04:00:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 277 transitions. [2023-11-19 04:00:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:00:51,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:51,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:51,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 144 states and 279 transitions. [2023-11-19 04:00:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 279 transitions. [2023-11-19 04:00:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:00:51,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:51,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:52,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:52,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 148 states and 290 transitions. [2023-11-19 04:00:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 290 transitions. [2023-11-19 04:00:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:00:52,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:52,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:52,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:00:52,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:53,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 311 transitions. [2023-11-19 04:00:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2023-11-19 04:00:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:00:53,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:00:53,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 156 states and 307 transitions. [2023-11-19 04:00:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 307 transitions. [2023-11-19 04:00:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:00:54,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 156 states and 302 transitions. [2023-11-19 04:00:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 302 transitions. [2023-11-19 04:00:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:00:55,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,884 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 162 states and 312 transitions. [2023-11-19 04:00:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2023-11-19 04:00:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:00:56,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:56,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:56,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:00:56,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 162 states and 310 transitions. [2023-11-19 04:00:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 310 transitions. [2023-11-19 04:00:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:00:57,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:57,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:57,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:00:57,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:57,764 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 169 states and 328 transitions. [2023-11-19 04:00:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 328 transitions. [2023-11-19 04:00:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:00:58,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:58,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:58,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:00:58,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 181 states and 353 transitions. [2023-11-19 04:01:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 353 transitions. [2023-11-19 04:01:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:01:01,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 189 states and 381 transitions. [2023-11-19 04:01:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 381 transitions. [2023-11-19 04:01:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:01:03,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:01:03,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 191 states and 382 transitions. [2023-11-19 04:01:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 382 transitions. [2023-11-19 04:01:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:01:04,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:01:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 203 states and 406 transitions. [2023-11-19 04:01:09,233 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 406 transitions. [2023-11-19 04:01:09,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:01:09,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:09,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 203 states and 400 transitions. [2023-11-19 04:01:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 400 transitions. [2023-11-19 04:01:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:01:10,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:10,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:10,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:01:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 210 states and 425 transitions. [2023-11-19 04:01:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 425 transitions. [2023-11-19 04:01:12,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:01:12,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:12,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:12,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:12,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 215 states and 432 transitions. [2023-11-19 04:01:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 432 transitions. [2023-11-19 04:01:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:01:15,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:15,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 218 states and 430 transitions. [2023-11-19 04:01:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 430 transitions. [2023-11-19 04:01:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:01:17,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:17,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:17,984 INFO L285 TraceCheckSpWp]: Computing forward predicates...