./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --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 459b394196a1606fd18d87736056d8c2e811f354c9c1071577c3ccd936910200 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:05:09,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:09,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:09,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:09,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:09,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:09,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:09,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:09,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:09,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:09,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:09,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:09,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:09,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:09,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:09,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:09,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:09,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:09,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:09,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:09,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:09,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:09,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:09,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:09,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:09,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:09,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:09,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:09,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:09,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:09,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:09,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:09,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:09,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:09,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:09,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:09,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:09,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:09,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:09,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:09,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:09,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:09,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:09,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:09,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:09,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:09,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:09,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:09,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:09,998 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:09,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:09,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:09,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:10,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:10,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:10,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:10,000 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:10,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:10,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:10,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:10,001 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:10,001 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:10,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:10,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:10,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:10,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:10,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:10,002 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:10,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:10,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:10,004 INFO L138 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_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459b394196a1606fd18d87736056d8c2e811f354c9c1071577c3ccd936910200 [2022-10-17 17:05:10,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:10,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:10,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:10,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:10,305 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:10,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2022-10-17 17:05:10,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/data/b5e67fc28/2e5d2bd41ebc4527a73a1903b08cc4ff/FLAGcad0e31c3 [2022-10-17 17:05:10,927 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:10,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2022-10-17 17:05:10,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/data/b5e67fc28/2e5d2bd41ebc4527a73a1903b08cc4ff/FLAGcad0e31c3 [2022-10-17 17:05:11,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/data/b5e67fc28/2e5d2bd41ebc4527a73a1903b08cc4ff [2022-10-17 17:05:11,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:11,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:11,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:11,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:11,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:11,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1314f522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:11, skipping insertion in model container [2022-10-17 17:05:11,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:11" (1/1) ... [2022-10-17 17:05:11,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:11,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:11,863 WARN L230 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_3b58b214-cf42-49c5-b62f-886f965650af/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c[29342,29355] [2022-10-17 17:05:12,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:12,090 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:12,171 WARN L230 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_3b58b214-cf42-49c5-b62f-886f965650af/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c[29342,29355] [2022-10-17 17:05:12,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:12,273 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:12,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12 WrapperNode [2022-10-17 17:05:12,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:12,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:12,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:12,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:12,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,443 INFO L138 Inliner]: procedures = 129, calls = 213, calls flagged for inlining = 56, calls inlined = 46, statements flattened = 868 [2022-10-17 17:05:12,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:12,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:12,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:12,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:12,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:12,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:12,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:12,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:12,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:12,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:12,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:12,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b58b214-cf42-49c5-b62f-886f965650af/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-10-17 17:05:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-10-17 17:05:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-10-17 17:05:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-10-17 17:05:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-10-17 17:05:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-10-17 17:05:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-10-17 17:05:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-10-17 17:05:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-10-17 17:05:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-10-17 17:05:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-10-17 17:05:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-10-17 17:05:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-10-17 17:05:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-10-17 17:05:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-10-17 17:05:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-10-17 17:05:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-10-17 17:05:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-10-17 17:05:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-10-17 17:05:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-10-17 17:05:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-10-17 17:05:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-10-17 17:05:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-10-17 17:05:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-10-17 17:05:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-10-17 17:05:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-10-17 17:05:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-10-17 17:05:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-10-17 17:05:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-10-17 17:05:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-10-17 17:05:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-10-17 17:05:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-10-17 17:05:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-10-17 17:05:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-10-17 17:05:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-10-17 17:05:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-10-17 17:05:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-10-17 17:05:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-10-17 17:05:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-10-17 17:05:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-10-17 17:05:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-10-17 17:05:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-10-17 17:05:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-10-17 17:05:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-10-17 17:05:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-10-17 17:05:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:12,898 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:12,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:13,929 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:14,460 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:14,461 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:05:14,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:14 BoogieIcfgContainer [2022-10-17 17:05:14,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:14,466 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:14,466 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:14,477 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:14,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:14" (1/1) ... [2022-10-17 17:05:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:14,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2022-10-17 17:05:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2022-10-17 17:05:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:05:14,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:14,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 180 states and 240 transitions. [2022-10-17 17:05:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2022-10-17 17:05:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:05:15,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 182 states and 253 transitions. [2022-10-17 17:05:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 253 transitions. [2022-10-17 17:05:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:05:15,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:15,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 185 states and 266 transitions. [2022-10-17 17:05:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 266 transitions. [2022-10-17 17:05:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:05:15,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 191 states and 288 transitions. [2022-10-17 17:05:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2022-10-17 17:05:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 17:05:16,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2022-10-17 17:05:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2022-10-17 17:05:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:05:16,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:16,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 17:05:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 198 states and 307 transitions. [2022-10-17 17:05:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 307 transitions. [2022-10-17 17:05:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:05:16,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:16,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 17:05:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 200 states and 317 transitions. [2022-10-17 17:05:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 317 transitions. [2022-10-17 17:05:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:05:17,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:17,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 207 states and 339 transitions. [2022-10-17 17:05:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 339 transitions. [2022-10-17 17:05:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:05:17,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:17,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 17:05:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 211 states and 344 transitions. [2022-10-17 17:05:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 344 transitions. [2022-10-17 17:05:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 17:05:17,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:17,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 216 states and 351 transitions. [2022-10-17 17:05:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 351 transitions. [2022-10-17 17:05:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:05:18,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:18,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 221 states and 370 transitions. [2022-10-17 17:05:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 370 transitions. [2022-10-17 17:05:18,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:05:18,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:18,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 230 states and 394 transitions. [2022-10-17 17:05:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 394 transitions. [2022-10-17 17:05:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:05:19,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 241 states and 421 transitions. [2022-10-17 17:05:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 421 transitions. [2022-10-17 17:05:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 17:05:20,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:20,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 247 states and 433 transitions. [2022-10-17 17:05:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 433 transitions. [2022-10-17 17:05:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:05:20,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:20,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 252 states and 449 transitions. [2022-10-17 17:05:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 449 transitions. [2022-10-17 17:05:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:05:20,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 17:05:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 287 states and 541 transitions. [2022-10-17 17:05:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 541 transitions. [2022-10-17 17:05:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:05:22,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:22,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 289 states and 551 transitions. [2022-10-17 17:05:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 551 transitions. [2022-10-17 17:05:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:05:22,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:22,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:22,786 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 292 states and 556 transitions. [2022-10-17 17:05:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 556 transitions. [2022-10-17 17:05:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:05:23,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:23,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 17:05:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 296 states and 564 transitions. [2022-10-17 17:05:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 564 transitions. [2022-10-17 17:05:23,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:05:23,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 309 states and 594 transitions. [2022-10-17 17:05:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 594 transitions. [2022-10-17 17:05:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 17:05:25,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:05:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 319 states and 629 transitions. [2022-10-17 17:05:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 629 transitions. [2022-10-17 17:05:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 17:05:26,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:26,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:05:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 321 states and 640 transitions. [2022-10-17 17:05:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 640 transitions. [2022-10-17 17:05:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:05:26,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 326 states and 658 transitions. [2022-10-17 17:05:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 658 transitions. [2022-10-17 17:05:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 17:05:27,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 17:05:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 328 states and 661 transitions. [2022-10-17 17:05:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 661 transitions. [2022-10-17 17:05:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:05:27,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 330 states and 670 transitions. [2022-10-17 17:05:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 670 transitions. [2022-10-17 17:05:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:05:27,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 335 states and 680 transitions. [2022-10-17 17:05:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 680 transitions. [2022-10-17 17:05:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:28,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:28,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 17:05:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 343 states and 710 transitions. [2022-10-17 17:05:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 710 transitions. [2022-10-17 17:05:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:05:29,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:29,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 358 states and 762 transitions. [2022-10-17 17:05:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 762 transitions. [2022-10-17 17:05:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:31,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:31,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 363 states and 781 transitions. [2022-10-17 17:05:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 781 transitions. [2022-10-17 17:05:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 17:05:32,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:32,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 17:05:32,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:32,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 368 states and 788 transitions. [2022-10-17 17:05:32,777 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 788 transitions. [2022-10-17 17:05:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:32,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:32,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 370 states and 797 transitions. [2022-10-17 17:05:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 797 transitions. [2022-10-17 17:05:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:33,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:33,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:05:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 375 states and 807 transitions. [2022-10-17 17:05:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 807 transitions. [2022-10-17 17:05:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 17:05:34,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:34,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 380 states and 815 transitions. [2022-10-17 17:05:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 815 transitions. [2022-10-17 17:05:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:34,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:34,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 397 states and 872 transitions. [2022-10-17 17:05:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 872 transitions. [2022-10-17 17:05:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:05:36,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:36,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:05:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 401 states and 878 transitions. [2022-10-17 17:05:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 878 transitions. [2022-10-17 17:05:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:05:37,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:37,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 17:05:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 407 states and 894 transitions. [2022-10-17 17:05:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 894 transitions. [2022-10-17 17:05:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:05:37,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 17:05:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 413 states and 905 transitions. [2022-10-17 17:05:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 905 transitions. [2022-10-17 17:05:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:05:39,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:39,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.