./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/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_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:51,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:52,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:32:52,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:52,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:52,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:52,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:52,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:52,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:52,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:52,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:52,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:52,084 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:52,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:52,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:52,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:52,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:52,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:52,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:52,089 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:52,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:52,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:52,090 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:52,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:52,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:52,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:52,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:52,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:52,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:52,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:52,096 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:52,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:52,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:52,097 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_2b1d191e-b0cd-48d0-b7dc-34a546e398da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 [2023-11-19 03:32:52,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:52,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:52,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:52,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:52,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:52,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2023-11-19 03:32:55,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:55,751 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:55,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2023-11-19 03:32:55,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/data/804a2402a/20dc0208a7b54137849754c7e8b58f41/FLAG47915bfa0 [2023-11-19 03:32:55,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/data/804a2402a/20dc0208a7b54137849754c7e8b58f41 [2023-11-19 03:32:55,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:55,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:55,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:55,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:55,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:55,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1a11ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:55, skipping insertion in model container [2023-11-19 03:32:55,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:55" (1/1) ... [2023-11-19 03:32:55,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:56,139 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_2b1d191e-b0cd-48d0-b7dc-34a546e398da/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[13037,13050] [2023-11-19 03:32:56,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:56,193 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:56,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 03:32:56,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2023-11-19 03:32:56,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] [2023-11-19 03:32:56,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [554] [2023-11-19 03:32:56,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [563] [2023-11-19 03:32:56,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [672] [2023-11-19 03:32:56,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [707] [2023-11-19 03:32:56,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [775] [2023-11-19 03:32:56,292 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_2b1d191e-b0cd-48d0-b7dc-34a546e398da/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[13037,13050] [2023-11-19 03:32:56,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:56,354 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:56,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56 WrapperNode [2023-11-19 03:32:56,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:56,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:56,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:56,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:56,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,419 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 230 [2023-11-19 03:32:56,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:56,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:56,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:56,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:56,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:56,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:56,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:56,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:56,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:56" (1/1) ... [2023-11-19 03:32:56,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:56,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:56,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1d191e-b0cd-48d0-b7dc-34a546e398da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 03:32:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 03:32:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 03:32:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 03:32:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 03:32:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 03:32:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 03:32:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 03:32:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:32:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:32:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 03:32:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 03:32:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 03:32:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 03:32:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:56,625 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:56,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:56,914 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:57,091 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:57,091 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:32:57,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:57 BoogieIcfgContainer [2023-11-19 03:32:57,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:57,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:57,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:57,110 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:57,110 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:57" (1/1) ... [2023-11-19 03:32:57,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2023-11-19 03:32:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2023-11-19 03:32:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:32:57,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:57,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2023-11-19 03:32:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-19 03:32:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:32:57,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:57,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2023-11-19 03:32:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-19 03:32:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:32:57,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2023-11-19 03:32:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2023-11-19 03:32:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:32:58,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:58,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2023-11-19 03:32:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2023-11-19 03:32:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:32:58,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:58,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 98 states and 173 transitions. [2023-11-19 03:33:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2023-11-19 03:33:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:00,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:00,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:01,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 107 states and 203 transitions. [2023-11-19 03:33:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 203 transitions. [2023-11-19 03:33:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:01,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:01,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:01,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 113 states and 220 transitions. [2023-11-19 03:33:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 220 transitions. [2023-11-19 03:33:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:02,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:02,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 116 states and 226 transitions. [2023-11-19 03:33:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 226 transitions. [2023-11-19 03:33:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:02,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 117 states and 227 transitions. [2023-11-19 03:33:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 227 transitions. [2023-11-19 03:33:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:03,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:03,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2023-11-19 03:33:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2023-11-19 03:33:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:33:03,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:03,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 120 states and 235 transitions. [2023-11-19 03:33:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 235 transitions. [2023-11-19 03:33:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:33:03,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:03,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 124 states and 246 transitions. [2023-11-19 03:33:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 246 transitions. [2023-11-19 03:33:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:33:04,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 125 states and 248 transitions. [2023-11-19 03:33:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 248 transitions. [2023-11-19 03:33:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:33:04,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 249 transitions. [2023-11-19 03:33:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 249 transitions. [2023-11-19 03:33:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:33:05,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 131 states and 258 transitions. [2023-11-19 03:33:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 258 transitions. [2023-11-19 03:33:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:06,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:06,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:07,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 135 states and 280 transitions. [2023-11-19 03:33:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 280 transitions. [2023-11-19 03:33:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:33:07,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:07,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 137 states and 283 transitions. [2023-11-19 03:33:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 283 transitions. [2023-11-19 03:33:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:33:07,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:07,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 138 states and 283 transitions. [2023-11-19 03:33:08,425 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 283 transitions. [2023-11-19 03:33:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:33:08,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 149 states and 310 transitions. [2023-11-19 03:33:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 310 transitions. [2023-11-19 03:33:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:33:11,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:11,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 154 states and 321 transitions. [2023-11-19 03:33:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 321 transitions. [2023-11-19 03:33:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:33:12,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:12,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 159 states and 332 transitions. [2023-11-19 03:33:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 332 transitions. [2023-11-19 03:33:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:12,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:12,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:13,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 162 states and 345 transitions. [2023-11-19 03:33:13,379 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 345 transitions. [2023-11-19 03:33:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:33:13,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:13,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 165 states and 354 transitions. [2023-11-19 03:33:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 354 transitions. [2023-11-19 03:33:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:14,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:14,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:14,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 167 states and 359 transitions. [2023-11-19 03:33:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 359 transitions. [2023-11-19 03:33:14,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:14,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:14,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 169 states and 363 transitions. [2023-11-19 03:33:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 363 transitions. [2023-11-19 03:33:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:14,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 171 states and 367 transitions. [2023-11-19 03:33:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 367 transitions. [2023-11-19 03:33:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:15,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:15,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 182 states and 400 transitions. [2023-11-19 03:33:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 400 transitions. [2023-11-19 03:33:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:33:17,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:17,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 187 states and 427 transitions. [2023-11-19 03:33:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 427 transitions. [2023-11-19 03:33:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:33:20,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:20,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 197 states and 465 transitions. [2023-11-19 03:33:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 465 transitions. [2023-11-19 03:33:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:33:23,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 213 states and 548 transitions. [2023-11-19 03:33:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 548 transitions. [2023-11-19 03:33:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:33:27,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:27,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 214 states and 553 transitions. [2023-11-19 03:33:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 553 transitions. [2023-11-19 03:33:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:33:27,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:27,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:33:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 217 states and 560 transitions. [2023-11-19 03:33:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 560 transitions. [2023-11-19 03:33:28,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:33:28,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:28,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:33:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 219 states and 563 transitions. [2023-11-19 03:33:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 563 transitions. [2023-11-19 03:33:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:33:29,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:33:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 221 states and 567 transitions. [2023-11-19 03:33:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 567 transitions. [2023-11-19 03:33:29,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:33:29,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:29,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:30,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 223 states and 579 transitions. [2023-11-19 03:33:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 579 transitions. [2023-11-19 03:33:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:33:31,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:33:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 225 states and 582 transitions. [2023-11-19 03:33:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 582 transitions. [2023-11-19 03:33:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:33:32,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:32,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 228 states and 594 transitions. [2023-11-19 03:33:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 594 transitions. [2023-11-19 03:33:33,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:33:33,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:33,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 232 states and 616 transitions. [2023-11-19 03:33:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 616 transitions. [2023-11-19 03:33:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:33:34,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:34,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 235 states and 636 transitions. [2023-11-19 03:33:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 636 transitions. [2023-11-19 03:33:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:33:35,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:35,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 240 states and 647 transitions. [2023-11-19 03:33:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 647 transitions. [2023-11-19 03:33:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:33:36,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:36,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:36,666 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:33:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 241 states and 652 transitions. [2023-11-19 03:33:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 652 transitions. [2023-11-19 03:33:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:33:37,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:37,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 247 states and 685 transitions. [2023-11-19 03:33:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 685 transitions. [2023-11-19 03:33:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:33:38,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:38,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 249 states and 691 transitions. [2023-11-19 03:33:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 691 transitions. [2023-11-19 03:33:39,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:33:39,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:39,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.