./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47500ba035fb95802358be3af8dbcb0499051de1fc18562b910c6b7689271057 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:31,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:31,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 19:50:31,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:31,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:31,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:31,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:31,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:31,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:50:31,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:50:31,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:31,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:31,193 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:31,193 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 19:50:31,193 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 19:50:31,193 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 19:50:31,193 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 19:50:31,193 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 19:50:31,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 19:50:31,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:50:31,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:31,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:31,195 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 19:50:31,195 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:31,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:31,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:31,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:31,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:31,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 19:50:31,196 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 19:50:31,196 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB 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(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 47500ba035fb95802358be3af8dbcb0499051de1fc18562b910c6b7689271057 [2024-11-27 19:50:31,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:31,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:31,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:31,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:31,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:31,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2024-11-27 19:50:34,587 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/data/d0d74f6b3/801171abffd24214ab50a99356855732/FLAG3fbca0501 [2024-11-27 19:50:34,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:34,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2024-11-27 19:50:34,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/data/d0d74f6b3/801171abffd24214ab50a99356855732/FLAG3fbca0501 [2024-11-27 19:50:35,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/data/d0d74f6b3/801171abffd24214ab50a99356855732 [2024-11-27 19:50:35,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:35,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:35,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:35,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:35,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:35,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:35" (1/1) ... [2024-11-27 19:50:35,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685e81f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:35, skipping insertion in model container [2024-11-27 19:50:35,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:35" (1/1) ... [2024-11-27 19:50:35,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:35,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:36,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:36,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [48] [2024-11-27 19:50:36,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [105] [2024-11-27 19:50:36,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [216] [2024-11-27 19:50:36,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [233] [2024-11-27 19:50:36,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [599] [2024-11-27 19:50:36,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1004] [2024-11-27 19:50:36,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1278] [2024-11-27 19:50:36,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1316] [2024-11-27 19:50:36,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1541] [2024-11-27 19:50:36,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1550] [2024-11-27 19:50:36,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1832] [2024-11-27 19:50:36,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:36,211 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:36,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36 WrapperNode [2024-11-27 19:50:36,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:36,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:36,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:36,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:36,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,350 INFO L138 Inliner]: procedures = 126, calls = 186, calls flagged for inlining = 112, calls inlined = 149, statements flattened = 2206 [2024-11-27 19:50:36,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:36,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:36,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:36,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:36,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,438 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-27 19:50:36,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,510 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:36,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:36,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:36,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:36,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (1/1) ... [2024-11-27 19:50:36,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:36,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:36,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:36,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:50:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 19:50:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 19:50:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 19:50:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:36,956 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:36,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:39,003 INFO L? ?]: Removed 1218 outVars from TransFormulas that were not future-live. [2024-11-27 19:50:39,003 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:39,034 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:39,038 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 19:50:39,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:39 BoogieIcfgContainer [2024-11-27 19:50:39,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:39,040 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 19:50:39,042 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 19:50:39,049 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 19:50:39,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 19:50:39,050 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 07:50:35" (1/3) ... [2024-11-27 19:50:39,052 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d2223c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 07:50:39, skipping insertion in model container [2024-11-27 19:50:39,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 19:50:39,053 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:36" (2/3) ... [2024-11-27 19:50:39,053 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d2223c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 07:50:39, skipping insertion in model container [2024-11-27 19:50:39,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 19:50:39,054 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:39" (3/3) ... [2024-11-27 19:50:39,055 INFO L363 chiAutomizerObserver]: Analyzing ICFG email_spec9_product16.cil.c [2024-11-27 19:50:39,126 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 19:50:39,126 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 19:50:39,126 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 19:50:39,126 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 19:50:39,126 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 19:50:39,126 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 19:50:39,127 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 19:50:39,127 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 19:50:39,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 491 states, 490 states have (on average 1.6775510204081632) internal successors, (822), 490 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:39,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 221 [2024-11-27 19:50:39,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 19:50:39,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 19:50:39,202 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:39,202 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-27 19:50:39,202 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 19:50:39,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 491 states, 490 states have (on average 1.6775510204081632) internal successors, (822), 490 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:39,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 221 [2024-11-27 19:50:39,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 19:50:39,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 19:50:39,231 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:39,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-27 19:50:39,243 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(17, 4);call #Ultimate.allocInit(17, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(12, 7);call #Ultimate.allocInit(10, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(16, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(4, 12);call write~init~int#1(37, 12, 0, 1);call write~init~int#1(115, 12, 1, 1);call write~init~int#1(10, 12, 2, 1);call write~init~int#1(0, 12, 3, 1);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(30, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(21, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(25, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(25, 24);call #Ultimate.allocInit(20, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(11, 28);call #Ultimate.allocInit(4, 29);call write~init~int#2(37, 29, 0, 1);call write~init~int#2(100, 29, 1, 1);call write~init~int#2(10, 29, 2, 1);call write~init~int#2(0, 29, 3, 1);call #Ultimate.allocInit(4, 30);call write~init~int#3(37, 30, 0, 1);call write~init~int#3(100, 30, 1, 1);call write~init~int#3(10, 30, 2, 1);call write~init~int#3(0, 30, 3, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret83#1, main_~retValue_acc~26#1, main_~tmp~16#1;havoc main_~retValue_acc~26#1;havoc main_~tmp~16#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1;" "main_#t~ret83#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~16#1 := main_#t~ret83#1;havoc main_#t~ret83#1;" "assume 0 != main_~tmp~16#1;assume { :begin_inline_setup } true;havoc setup_#t~ret80#1, setup_#t~ret81#1, setup_#t~ret82#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_bob__wrappee__Base_~bob___0#1;havoc setup_bob__wrappee__Base_#in~bob___0#1;assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_bob_~bob___0#1;havoc setup_bob_#in~bob___0#1;assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 26, 0;havoc setup_#t~ret80#1;havoc setup_#t~ret80#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_rjh__wrappee__Base_~rjh___0#1;havoc setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_rjh_~rjh___0#1;havoc setup_rjh_#in~rjh___0#1;assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 27, 0;havoc setup_#t~ret81#1;havoc setup_#t~ret81#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_chuck__wrappee__Base_~chuck___0#1;havoc setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_chuck_~chuck___0#1;havoc setup_chuck_#in~chuck___0#1;assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 28, 0;havoc setup_#t~ret82#1;havoc setup_#t~ret82#1;" "havoc setup_#t~ret80#1, setup_#t~ret81#1, setup_#t~ret82#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet64#1, test_#t~nondet65#1, test_#t~nondet66#1, test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~14#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~2#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~14#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~2#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0;" [2024-11-27 19:50:39,243 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1;" "assume !(0 == test_~op1~0#1);" "assume 0 == test_~op2~0#1;havoc test_#t~nondet65#1;test_~tmp___8~0#1 := test_#t~nondet65#1;havoc test_#t~nondet65#1;" "assume 0 != test_~tmp___8~0#1;test_~op2~0#1 := 1;" [2024-11-27 19:50:39,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:39,257 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2024-11-27 19:50:39,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:39,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970191300] [2024-11-27 19:50:39,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:39,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:39,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 19:50:39,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970191300] [2024-11-27 19:50:39,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970191300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:50:39,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226124951] [2024-11-27 19:50:39,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:39,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:50:39,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:39,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:50:39,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:50:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:40,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 19:50:40,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:40,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:50:40,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226124951] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:50:40,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:50:40,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-27 19:50:40,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800978684] [2024-11-27 19:50:40,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:50:40,328 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 19:50:40,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash 166421581, now seen corresponding path program 1 times [2024-11-27 19:50:40,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:40,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172330957] [2024-11-27 19:50:40,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:40,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:40,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:50:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:40,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 19:50:40,464 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:40,464 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:40,465 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:40,465 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:40,465 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 19:50:40,465 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,465 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:40,465 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:40,465 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration1_Loop [2024-11-27 19:50:40,466 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:40,466 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:40,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,585 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:40,585 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 19:50:40,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 19:50:40,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:40,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:40,616 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:40,617 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet65#1=0} Honda state: {ULTIMATE.start_test_#t~nondet65#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:40,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-27 19:50:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 19:50:40,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:40,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:40,657 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:40,657 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0#1=0} Honda state: {ULTIMATE.start_test_~tmp___8~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:40,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:40,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 19:50:40,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:40,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:40,701 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:40,701 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:40,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 19:50:40,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 19:50:40,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:40,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:40,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:40,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,747 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 19:50:40,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 19:50:40,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:40,776 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 19:50:40,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 19:50:40,787 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:40,787 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:40,788 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:40,788 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:40,791 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 19:50:40,791 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,791 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:40,791 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:40,791 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration1_Loop [2024-11-27 19:50:40,791 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:40,791 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:40,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:40,887 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:40,892 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 19:50:40,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,895 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 19:50:40,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:40,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:40,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:40,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:40,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:40,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:40,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:40,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:40,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:40,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-27 19:50:40,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,943 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 19:50:40,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:40,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:40,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:40,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:40,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:40,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:40,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:40,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:40,966 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:40,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:40,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:40,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:40,979 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:40,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 19:50:40,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:40,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:40,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:40,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:40,999 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:40,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:41,000 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:41,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:41,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:41,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:41,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:41,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:41,019 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:41,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 19:50:41,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:41,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:41,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:41,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:41,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:41,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:41,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:41,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:41,045 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 19:50:41,049 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 19:50:41,054 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 19:50:41,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:41,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:41,059 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:41,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 19:50:41,062 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 19:50:41,063 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 19:50:41,063 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 19:50:41,063 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2024-11-27 19:50:41,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 19:50:41,076 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 19:50:41,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:41,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:50:41,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:41,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 19:50:41,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:41,427 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 19:50:41,431 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 491 states, 490 states have (on average 1.6775510204081632) internal successors, (822), 490 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:41,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-27 19:50:41,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 491 states, 490 states have (on average 1.6775510204081632) internal successors, (822), 490 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2072 states and 3469 transitions. Complement of second has 10 states. [2024-11-27 19:50:41,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-27 19:50:41,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1946 transitions. [2024-11-27 19:50:41,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 1946 transitions. Stem has 25 letters. Loop has 5 letters. [2024-11-27 19:50:41,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:41,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 1946 transitions. Stem has 30 letters. Loop has 5 letters. [2024-11-27 19:50:41,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:41,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 1946 transitions. Stem has 25 letters. Loop has 10 letters. [2024-11-27 19:50:41,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:41,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2072 states and 3469 transitions. [2024-11-27 19:50:41,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 441 [2024-11-27 19:50:41,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2072 states to 922 states and 1639 transitions. [2024-11-27 19:50:41,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 479 [2024-11-27 19:50:41,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 480 [2024-11-27 19:50:41,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 922 states and 1639 transitions. [2024-11-27 19:50:41,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 19:50:41,891 INFO L218 hiAutomatonCegarLoop]: Abstraction has 922 states and 1639 transitions. [2024-11-27 19:50:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states and 1639 transitions. [2024-11-27 19:50:41,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 481. [2024-11-27 19:50:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 481 states have (on average 1.7671517671517671) internal successors, (850), 480 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 850 transitions. [2024-11-27 19:50:41,964 INFO L240 hiAutomatonCegarLoop]: Abstraction has 481 states and 850 transitions. [2024-11-27 19:50:41,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 19:50:41,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:50:41,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:50:41,970 INFO L87 Difference]: Start difference. First operand 481 states and 850 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:42,044 INFO L93 Difference]: Finished difference Result 480 states and 845 transitions. [2024-11-27 19:50:42,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 480 states and 845 transitions. [2024-11-27 19:50:42,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 221 [2024-11-27 19:50:42,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 480 states to 480 states and 845 transitions. [2024-11-27 19:50:42,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 258 [2024-11-27 19:50:42,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 258 [2024-11-27 19:50:42,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 480 states and 845 transitions. [2024-11-27 19:50:42,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 19:50:42,053 INFO L218 hiAutomatonCegarLoop]: Abstraction has 480 states and 845 transitions. [2024-11-27 19:50:42,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states and 845 transitions. [2024-11-27 19:50:42,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2024-11-27 19:50:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 480 states have (on average 1.7604166666666667) internal successors, (845), 479 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 845 transitions. [2024-11-27 19:50:42,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 480 states and 845 transitions. [2024-11-27 19:50:42,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:50:42,078 INFO L425 stractBuchiCegarLoop]: Abstraction has 480 states and 845 transitions. [2024-11-27 19:50:42,078 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 19:50:42,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 480 states and 845 transitions. [2024-11-27 19:50:42,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 221 [2024-11-27 19:50:42,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 19:50:42,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 19:50:42,082 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:42,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:42,083 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(17, 4);call #Ultimate.allocInit(17, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(12, 7);call #Ultimate.allocInit(10, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(16, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(4, 12);call write~init~int#1(37, 12, 0, 1);call write~init~int#1(115, 12, 1, 1);call write~init~int#1(10, 12, 2, 1);call write~init~int#1(0, 12, 3, 1);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(30, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(21, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(25, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(25, 24);call #Ultimate.allocInit(20, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(11, 28);call #Ultimate.allocInit(4, 29);call write~init~int#2(37, 29, 0, 1);call write~init~int#2(100, 29, 1, 1);call write~init~int#2(10, 29, 2, 1);call write~init~int#2(0, 29, 3, 1);call #Ultimate.allocInit(4, 30);call write~init~int#3(37, 30, 0, 1);call write~init~int#3(100, 30, 1, 1);call write~init~int#3(10, 30, 2, 1);call write~init~int#3(0, 30, 3, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret83#1, main_~retValue_acc~26#1, main_~tmp~16#1;havoc main_~retValue_acc~26#1;havoc main_~tmp~16#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1;" "main_#t~ret83#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~16#1 := main_#t~ret83#1;havoc main_#t~ret83#1;" "assume 0 != main_~tmp~16#1;assume { :begin_inline_setup } true;havoc setup_#t~ret80#1, setup_#t~ret81#1, setup_#t~ret82#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_bob__wrappee__Base_~bob___0#1;havoc setup_bob__wrappee__Base_#in~bob___0#1;assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_bob_~bob___0#1;havoc setup_bob_#in~bob___0#1;assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 26, 0;havoc setup_#t~ret80#1;havoc setup_#t~ret80#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume !(1 == setClientId_~handle#1);" "assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_rjh__wrappee__Base_~rjh___0#1;havoc setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_rjh_~rjh___0#1;havoc setup_rjh_#in~rjh___0#1;assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 27, 0;havoc setup_#t~ret81#1;havoc setup_#t~ret81#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume !(1 == setClientId_~handle#1);" "assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_chuck__wrappee__Base_~chuck___0#1;havoc setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_chuck_~chuck___0#1;havoc setup_chuck_#in~chuck___0#1;assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 28, 0;havoc setup_#t~ret82#1;havoc setup_#t~ret82#1;" "havoc setup_#t~ret80#1, setup_#t~ret81#1, setup_#t~ret82#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet64#1, test_#t~nondet65#1, test_#t~nondet66#1, test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~14#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~2#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~14#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~2#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0;" "assume test_~splverifierCounter~0#1 < 4;" [2024-11-27 19:50:42,083 INFO L749 eck$LassoCheckResult]: Loop: "test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1;" "assume !(0 == test_~op1~0#1);" "assume !(0 == test_~op2~0#1);" "assume 0 == test_~op3~0#1;havoc test_#t~nondet66#1;test_~tmp___7~0#1 := test_#t~nondet66#1;havoc test_#t~nondet66#1;" "assume 0 != test_~tmp___7~0#1;assume { :begin_inline_rjhDeletePrivateKey } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := ~rjh~0, 0;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1;" "assume test_~splverifierCounter~0#1 < 4;" [2024-11-27 19:50:42,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:42,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1685441841, now seen corresponding path program 1 times [2024-11-27 19:50:42,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:42,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133034749] [2024-11-27 19:50:42,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:42,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:42,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 19:50:42,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133034749] [2024-11-27 19:50:42,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133034749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:50:42,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053896692] [2024-11-27 19:50:42,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:42,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:50:42,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:42,304 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:50:42,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 19:50:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:42,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 19:50:42,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:42,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:50:42,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053896692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:50:42,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:50:42,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2024-11-27 19:50:42,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661268855] [2024-11-27 19:50:42,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:50:42,672 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 19:50:42,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1566782347, now seen corresponding path program 1 times [2024-11-27 19:50:42,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:42,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116218556] [2024-11-27 19:50:42,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:42,682 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:50:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:42,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 19:50:42,784 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:42,784 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:42,784 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:42,784 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:42,784 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 19:50:42,785 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:42,785 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:42,785 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:42,785 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration2_Loop [2024-11-27 19:50:42,785 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:42,785 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:42,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:42,930 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:42,931 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 19:50:42,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:42,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:42,933 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:42,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 19:50:42,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:42,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:42,953 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:42,953 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value#1=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:42,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:42,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:42,961 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:42,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 19:50:42,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:42,965 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:42,977 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:42,977 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_~value#1=0} Honda state: {ULTIMATE.start_setClientPrivateKey_~value#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:42,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:42,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:42,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:42,986 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:42,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 19:50:42,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:42,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,002 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:43,002 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_~handle#1=0} Honda state: {ULTIMATE.start_setClientPrivateKey_~handle#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:43,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-27 19:50:43,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,010 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 19:50:43,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:43,013 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,028 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:43,028 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~rjh~0=1} Honda state: {~rjh~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:43,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 19:50:43,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,037 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 19:50:43,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:43,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,062 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:43,062 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:43,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-27 19:50:43,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,075 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 19:50:43,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:43,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,103 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:43,103 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:43,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-27 19:50:43,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,117 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 19:50:43,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:43,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,141 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:43,141 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0#1=0} Honda state: {ULTIMATE.start_test_~tmp___7~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:43,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:43,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,153 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 19:50:43,158 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:43,158 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,172 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:43,172 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet66#1=0} Honda state: {ULTIMATE.start_test_#t~nondet66#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:43,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-27 19:50:43,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,183 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 19:50:43,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:43,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,198 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:43,199 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~handle#1=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~handle#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:43,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-27 19:50:43,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,206 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 19:50:43,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:43,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:43,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,230 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 19:50:43,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 19:50:43,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:43,247 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 19:50:43,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-27 19:50:43,257 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:43,257 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:43,257 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:43,257 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:43,257 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 19:50:43,257 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,257 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:43,257 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:43,258 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration2_Loop [2024-11-27 19:50:43,258 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:43,258 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:43,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:43,429 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:43,429 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 19:50:43,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,433 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 19:50:43,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-27 19:50:43,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,467 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 19:50:43,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-27 19:50:43,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,498 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 19:50:43,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-27 19:50:43,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,537 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 19:50:43,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,559 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:43,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,571 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 19:50:43,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,590 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:43,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:43,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,594 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:43,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,607 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 19:50:43,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,626 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:43,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,627 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:43,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,630 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-27 19:50:43,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,644 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-27 19:50:43,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:43,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,678 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-27 19:50:43,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,700 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-27 19:50:43,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,714 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-27 19:50:43,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,737 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:43,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:43,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,751 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-27 19:50:43,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:43,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:43,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:43,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:43,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:43,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:43,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:43,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:43,774 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 19:50:43,777 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 19:50:43,777 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 19:50:43,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:43,780 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:43,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 19:50:43,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 19:50:43,783 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 19:50:43,783 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 19:50:43,784 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2024-11-27 19:50:43,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:43,795 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 19:50:43,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:43,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:50:43,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:43,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 19:50:43,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:44,065 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-27 19:50:44,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 480 states and 845 transitions. cyclomatic complexity: 367 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:44,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-27 19:50:44,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 480 states and 845 transitions. cyclomatic complexity: 367. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1793 states and 3195 transitions. Complement of second has 6 states. [2024-11-27 19:50:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-27 19:50:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 835 transitions. [2024-11-27 19:50:44,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 835 transitions. Stem has 28 letters. Loop has 9 letters. [2024-11-27 19:50:44,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:44,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 835 transitions. Stem has 37 letters. Loop has 9 letters. [2024-11-27 19:50:44,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:44,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 835 transitions. Stem has 28 letters. Loop has 18 letters. [2024-11-27 19:50:44,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:44,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1793 states and 3195 transitions. [2024-11-27 19:50:44,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 431 [2024-11-27 19:50:44,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1793 states to 1783 states and 3179 transitions. [2024-11-27 19:50:44,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471 [2024-11-27 19:50:44,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 473 [2024-11-27 19:50:44,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1783 states and 3179 transitions. [2024-11-27 19:50:44,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 19:50:44,228 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1783 states and 3179 transitions. [2024-11-27 19:50:44,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states and 3179 transitions. [2024-11-27 19:50:44,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 918. [2024-11-27 19:50:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 918 states have (on average 1.7745098039215685) internal successors, (1629), 917 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1629 transitions. [2024-11-27 19:50:44,265 INFO L240 hiAutomatonCegarLoop]: Abstraction has 918 states and 1629 transitions. [2024-11-27 19:50:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 19:50:44,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 19:50:44,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:50:44,266 INFO L87 Difference]: Start difference. First operand 918 states and 1629 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:44,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:44,496 INFO L93 Difference]: Finished difference Result 918 states and 1628 transitions. [2024-11-27 19:50:44,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 918 states and 1628 transitions. [2024-11-27 19:50:44,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2024-11-27 19:50:44,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 918 states to 918 states and 1628 transitions. [2024-11-27 19:50:44,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2024-11-27 19:50:44,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2024-11-27 19:50:44,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 918 states and 1628 transitions. [2024-11-27 19:50:44,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 19:50:44,512 INFO L218 hiAutomatonCegarLoop]: Abstraction has 918 states and 1628 transitions. [2024-11-27 19:50:44,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states and 1628 transitions. [2024-11-27 19:50:44,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2024-11-27 19:50:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 918 states have (on average 1.7734204793028323) internal successors, (1628), 917 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1628 transitions. [2024-11-27 19:50:44,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 918 states and 1628 transitions. [2024-11-27 19:50:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:50:44,548 INFO L425 stractBuchiCegarLoop]: Abstraction has 918 states and 1628 transitions. [2024-11-27 19:50:44,548 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 19:50:44,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 918 states and 1628 transitions. [2024-11-27 19:50:44,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2024-11-27 19:50:44,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 19:50:44,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 19:50:44,556 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:44,559 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:44,559 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(17, 4);call #Ultimate.allocInit(17, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(12, 7);call #Ultimate.allocInit(10, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(16, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(4, 12);call write~init~int#1(37, 12, 0, 1);call write~init~int#1(115, 12, 1, 1);call write~init~int#1(10, 12, 2, 1);call write~init~int#1(0, 12, 3, 1);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(30, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(21, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(25, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(25, 24);call #Ultimate.allocInit(20, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(11, 28);call #Ultimate.allocInit(4, 29);call write~init~int#2(37, 29, 0, 1);call write~init~int#2(100, 29, 1, 1);call write~init~int#2(10, 29, 2, 1);call write~init~int#2(0, 29, 3, 1);call #Ultimate.allocInit(4, 30);call write~init~int#3(37, 30, 0, 1);call write~init~int#3(100, 30, 1, 1);call write~init~int#3(10, 30, 2, 1);call write~init~int#3(0, 30, 3, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret83#1, main_~retValue_acc~26#1, main_~tmp~16#1;havoc main_~retValue_acc~26#1;havoc main_~tmp~16#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;havoc valid_product_~retValue_acc~25#1;valid_product_~retValue_acc~25#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~25#1;" "main_#t~ret83#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~25#1;assume { :end_inline_valid_product } true;main_~tmp~16#1 := main_#t~ret83#1;havoc main_#t~ret83#1;" "assume 0 != main_~tmp~16#1;assume { :begin_inline_setup } true;havoc setup_#t~ret80#1, setup_#t~ret81#1, setup_#t~ret82#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_bob__wrappee__Base_~bob___0#1;havoc setup_bob__wrappee__Base_#in~bob___0#1;assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_bob_~bob___0#1;havoc setup_bob_#in~bob___0#1;assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 26, 0;havoc setup_#t~ret80#1;havoc setup_#t~ret80#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume !(1 == setClientId_~handle#1);" "assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_rjh__wrappee__Base_~rjh___0#1;havoc setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume !(1 == setClientPrivateKey_~handle#1);" "assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_rjh_~rjh___0#1;havoc setup_rjh_#in~rjh___0#1;assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 27, 0;havoc setup_#t~ret81#1;havoc setup_#t~ret81#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume !(1 == setClientId_~handle#1);" "assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_chuck__wrappee__Base_~chuck___0#1;havoc setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1;" "assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1;" "havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;havoc setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1;assume { :end_inline_setClientPrivateKey } true;" "havoc setup_chuck_~chuck___0#1;havoc setup_chuck_#in~chuck___0#1;assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 28, 0;havoc setup_#t~ret82#1;havoc setup_#t~ret82#1;" "havoc setup_#t~ret80#1, setup_#t~ret81#1, setup_#t~ret82#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet64#1, test_#t~nondet65#1, test_#t~nondet66#1, test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~14#1, test_~tmp___0~4#1, test_~tmp___1~2#1, test_~tmp___2~2#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~14#1;havoc test_~tmp___0~4#1;havoc test_~tmp___1~2#1;havoc test_~tmp___2~2#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0;" "assume test_~splverifierCounter~0#1 < 4;" "test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1;" [2024-11-27 19:50:44,560 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == test_~op1~0#1);" "assume !(0 == test_~op2~0#1);" "assume !(0 == test_~op3~0#1);" "assume !(0 == test_~op4~0#1);" "assume !(0 == test_~op5~0#1);" "assume !(0 == test_~op6~0#1);" "assume !(0 == test_~op7~0#1);" "assume 0 == test_~op8~0#1;havoc test_#t~nondet71#1;test_~tmp___2~2#1 := test_#t~nondet71#1;havoc test_#t~nondet71#1;" "assume 0 != test_~tmp___2~2#1;test_~op8~0#1 := 1;" "assume test_~splverifierCounter~0#1 < 4;" "test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1;" [2024-11-27 19:50:44,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:44,560 INFO L85 PathProgramCache]: Analyzing trace with hash 752332672, now seen corresponding path program 1 times [2024-11-27 19:50:44,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:44,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476271408] [2024-11-27 19:50:44,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:44,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:44,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 19:50:44,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476271408] [2024-11-27 19:50:44,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476271408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:50:44,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248202359] [2024-11-27 19:50:44,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:50:44,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:44,765 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:50:44,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-27 19:50:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:45,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 19:50:45,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:45,032 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:50:45,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248202359] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:50:45,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:50:45,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-27 19:50:45,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268423983] [2024-11-27 19:50:45,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:50:45,061 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 19:50:45,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:45,061 INFO L85 PathProgramCache]: Analyzing trace with hash 124594133, now seen corresponding path program 1 times [2024-11-27 19:50:45,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 19:50:45,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871760824] [2024-11-27 19:50:45,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:45,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:45,071 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:50:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:50:45,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 19:50:45,189 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:45,189 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:45,190 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:45,190 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:45,190 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 19:50:45,190 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,190 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:45,190 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:45,190 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration3_Loop [2024-11-27 19:50:45,190 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:45,190 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:45,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,350 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:45,350 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 19:50:45,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,355 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 19:50:45,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,370 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,370 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet71#1=0} Honda state: {ULTIMATE.start_test_#t~nondet71#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-27 19:50:45,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,379 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 19:50:45,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,402 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,402 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:45,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,410 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 19:50:45,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,432 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,432 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-27 19:50:45,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,441 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 19:50:45,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,477 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,477 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-27 19:50:45,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,488 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-27 19:50:45,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,502 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___2~2#1=0} Honda state: {ULTIMATE.start_test_~tmp___2~2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-27 19:50:45,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,512 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-27 19:50:45,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,537 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,537 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op6~0#1=-1} Honda state: {ULTIMATE.start_test_~op6~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:45,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,548 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-27 19:50:45,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,577 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,577 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op5~0#1=4} Honda state: {ULTIMATE.start_test_~op5~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-27 19:50:45,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,590 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-27 19:50:45,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,620 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 19:50:45,620 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 19:50:45,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:45,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,633 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-27 19:50:45,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 19:50:45,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:45,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,667 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-27 19:50:45,671 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 19:50:45,671 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 19:50:45,703 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 19:50:45,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:45,707 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 19:50:45,707 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 19:50:45,707 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 19:50:45,707 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 19:50:45,708 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 19:50:45,708 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,708 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 19:50:45,708 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 19:50:45,708 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration3_Loop [2024-11-27 19:50:45,708 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 19:50:45,708 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 19:50:45,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 19:50:45,872 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 19:50:45,872 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 19:50:45,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,875 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-27 19:50:45,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:45,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:45,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:45,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:45,895 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:45,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:45,896 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:45,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:45,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:45,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-27 19:50:45,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,911 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-27 19:50:45,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:45,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:45,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:45,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:45,930 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:45,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:45,931 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:45,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:45,934 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:45,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-27 19:50:45,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,946 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:45,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-27 19:50:45,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:45,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:45,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:45,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:45,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:45,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:45,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:45,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:45,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:45,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:45,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:45,982 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:45,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-27 19:50:45,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:45,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:45,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:45,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:45,996 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:45,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:45,997 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:45,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:45,999 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:46,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:46,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:46,008 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-27 19:50:46,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:46,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:46,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:46,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:46,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:46,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:46,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:46,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:46,024 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:46,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-27 19:50:46,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:46,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:46,035 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:46,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-27 19:50:46,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:46,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:46,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:46,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:46,054 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:46,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:46,056 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:46,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:46,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:46,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-27 19:50:46,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:46,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:46,073 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:46,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-27 19:50:46,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:46,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:46,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:46,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:46,095 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:46,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:46,096 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:46,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:46,102 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:46,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:46,114 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:46,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-27 19:50:46,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:46,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:46,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:46,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:46,133 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 19:50:46,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:46,134 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-27 19:50:46,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:46,137 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 19:50:46,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-27 19:50:46,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:46,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:46,150 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:46,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-27 19:50:46,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 19:50:46,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 19:50:46,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 19:50:46,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 19:50:46,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 19:50:46,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 19:50:46,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 19:50:46,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 19:50:46,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 19:50:46,180 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 19:50:46,180 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-27 19:50:46,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 19:50:46,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:46,184 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:46,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-27 19:50:46,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 19:50:46,189 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 19:50:46,189 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 19:50:46,189 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2024-11-27 19:50:46,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:46,201 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 19:50:46,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:46,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:50:46,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:46,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 19:50:46,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:46,533 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 19:50:46,533 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 918 states and 1628 transitions. cyclomatic complexity: 714 Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:46,596 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 918 states and 1628 transitions. cyclomatic complexity: 714. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2020 states and 3606 transitions. Complement of second has 6 states. [2024-11-27 19:50:46,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-27 19:50:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2024-11-27 19:50:46,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 447 transitions. Stem has 30 letters. Loop has 11 letters. [2024-11-27 19:50:46,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:46,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 447 transitions. Stem has 41 letters. Loop has 11 letters. [2024-11-27 19:50:46,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:46,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 447 transitions. Stem has 30 letters. Loop has 22 letters. [2024-11-27 19:50:46,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 19:50:46,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2020 states and 3606 transitions. [2024-11-27 19:50:46,625 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 19:50:46,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2020 states to 0 states and 0 transitions. [2024-11-27 19:50:46,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 19:50:46,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 19:50:46,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 19:50:46,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 19:50:46,625 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:46,626 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:46,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 19:50:46,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:50:46,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:50:46,626 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:46,626 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-27 19:50:46,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-27 19:50:46,627 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 19:50:46,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 19:50:46,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 19:50:46,627 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 19:50:46,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 19:50:46,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 19:50:46,627 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:46,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:50:46,628 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:46,628 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 19:50:46,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 19:50:46,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 19:50:46,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 19:50:46,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 07:50:46 BoogieIcfgContainer [2024-11-27 19:50:46,643 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 19:50:46,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:50:46,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:50:46,644 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:50:46,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:39" (3/4) ... [2024-11-27 19:50:46,647 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 19:50:46,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:50:46,648 INFO L158 Benchmark]: Toolchain (without parser) took 11498.36ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 90.7MB in the beginning and 64.7MB in the end (delta: 26.0MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2024-11-27 19:50:46,650 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:46,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.97ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 53.1MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-27 19:50:46,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.21ms. Allocated memory is still 117.4MB. Free memory was 53.1MB in the beginning and 44.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:46,651 INFO L158 Benchmark]: Boogie Preprocessor took 226.04ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 84.9MB in the end (delta: -40.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-27 19:50:46,652 INFO L158 Benchmark]: RCFGBuilder took 2461.25ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 53.2MB in the end (delta: 31.7MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2024-11-27 19:50:46,652 INFO L158 Benchmark]: BuchiAutomizer took 7602.97ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 53.2MB in the beginning and 64.7MB in the end (delta: -11.5MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-11-27 19:50:46,652 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 176.2MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 10.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:46,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.97ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 53.1MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.21ms. Allocated memory is still 117.4MB. Free memory was 53.1MB in the beginning and 44.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 226.04ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 84.9MB in the end (delta: -40.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2461.25ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 53.2MB in the end (delta: 31.7MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 7602.97ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 53.2MB in the beginning and 64.7MB in the end (delta: -11.5MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 176.2MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 10.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [48] - GenericResultAtLocation [Line: 105]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [105] - GenericResultAtLocation [Line: 216]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [216] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [233] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [599] - GenericResultAtLocation [Line: 1004]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1004] - GenericResultAtLocation [Line: 1278]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1278] - GenericResultAtLocation [Line: 1316]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1316] - GenericResultAtLocation [Line: 1541]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1541] - GenericResultAtLocation [Line: 1550]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1550] - GenericResultAtLocation [Line: 1832]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1832] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * op2) + 1) and consists of 6 locations. One deterministic module has affine ranking function (((long long) -2 * op3) + 1) and consists of 4 locations. One deterministic module has affine ranking function (((long long) -2 * splverifierCounter) + 7) and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.2s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 1306 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2864 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2861 mSDsluCounter, 10363 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6667 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 243 IncrementalHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 3696 mSDtfsCounter, 243 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital31 mio100 ax100 hnf100 lsp35 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 20 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 19:50:46,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-27 19:50:46,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:47,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 19:50:47,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:47,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6b302e-8761-4684-a321-3469b4765bb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE