./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --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 d4216ddf014ff953368f9c10444517e5ad475a960f2c91abb81cda95e6b2b3bf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:56:44,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:56:44,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:56:44,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:56:44,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:56:44,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:56:44,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:56:44,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:56:44,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:56:44,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:56:44,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:56:44,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:56:44,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:56:44,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:56:44,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:56:44,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:56:44,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:56:44,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:56:44,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:56:44,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:56:44,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:56:44,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:56:44,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:56:44,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:56:44,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:56:44,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:56:44,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:56:44,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:56:44,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:56:44,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:56:44,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:56:44,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:56:44,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:56:44,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:56:44,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:56:44,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:56:44,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:56:44,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:56:44,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:56:44,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:56:44,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:56:44,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:56:44,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:56:44,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:56:44,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:56:44,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:56:44,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:56:44,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:56:44,193 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:56:44,193 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:56:44,193 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:56:44,193 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:56:44,193 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:56:44,194 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:56:44,194 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:56:44,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:56:44,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:56:44,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:56:44,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:56:44,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:56:44,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:56:44,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:56:44,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:56:44,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:56:44,203 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:56:44,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:56:44,206 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:56:44,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:56:44,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:56:44,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:56:44,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:56:44,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:56:44,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:56:44,209 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:56:44,209 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4216ddf014ff953368f9c10444517e5ad475a960f2c91abb81cda95e6b2b3bf [2022-10-17 10:56:44,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:56:44,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:56:44,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:56:44,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:56:44,540 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:56:44,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2022-10-17 10:56:44,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/data/4b2052907/8e68fd3aff874f38bfafbd1bcb582dcd/FLAG0cdc70f35 [2022-10-17 10:56:45,256 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:56:45,258 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2022-10-17 10:56:45,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/data/4b2052907/8e68fd3aff874f38bfafbd1bcb582dcd/FLAG0cdc70f35 [2022-10-17 10:56:45,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/data/4b2052907/8e68fd3aff874f38bfafbd1bcb582dcd [2022-10-17 10:56:45,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:56:45,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:56:45,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:45,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:56:45,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:56:45,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:45" (1/1) ... [2022-10-17 10:56:45,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217b3f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:45, skipping insertion in model container [2022-10-17 10:56:45,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:45" (1/1) ... [2022-10-17 10:56:45,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:56:45,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:56:46,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c[56376,56389] [2022-10-17 10:56:46,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:46,255 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:56:46,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c[56376,56389] [2022-10-17 10:56:46,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:46,434 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:56:46,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46 WrapperNode [2022-10-17 10:56:46,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:46,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:46,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:56:46,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:56:46,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,629 INFO L138 Inliner]: procedures = 129, calls = 222, calls flagged for inlining = 128, calls inlined = 282, statements flattened = 4294 [2022-10-17 10:56:46,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:46,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:56:46,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:56:46,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:56:46,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:56:46,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:56:46,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:56:46,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:56:46,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (1/1) ... [2022-10-17 10:56:46,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:46,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:46,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:56:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-10-17 10:56:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:56:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:56:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:56:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:56:47,139 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:56:47,142 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:56:49,220 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:56:49,247 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:56:49,248 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:56:49,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:49 BoogieIcfgContainer [2022-10-17 10:56:49,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:56:49,254 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:56:49,255 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:56:49,259 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:56:49,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:49,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:56:45" (1/3) ... [2022-10-17 10:56:49,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e209ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:56:49, skipping insertion in model container [2022-10-17 10:56:49,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:49,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:46" (2/3) ... [2022-10-17 10:56:49,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e209ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:56:49, skipping insertion in model container [2022-10-17 10:56:49,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:49,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:49" (3/3) ... [2022-10-17 10:56:49,266 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec6_product20.cil.c [2022-10-17 10:56:49,382 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:56:49,382 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:56:49,383 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:56:49,383 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:56:49,383 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:56:49,383 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:56:49,383 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:56:49,384 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:56:49,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 964 states, 963 states have (on average 1.684319833852544) internal successors, (1622), 963 states have internal predecessors, (1622), 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) [2022-10-17 10:56:49,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-10-17 10:56:49,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:49,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:49,489 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] [2022-10-17 10:56:49,489 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:56:49,489 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:56:49,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 964 states, 963 states have (on average 1.684319833852544) internal successors, (1622), 963 states have internal predecessors, (1622), 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) [2022-10-17 10:56:49,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-10-17 10:56:49,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:49,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:49,512 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] [2022-10-17 10:56:49,512 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:56:49,520 INFO L748 eck$LassoCheckResult]: Stem: 463#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(19, 17);call #Ultimate.allocInit(16, 18);call #Ultimate.allocInit(19, 19);call #Ultimate.allocInit(44, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(11, 24);call #Ultimate.allocInit(19, 25);call #Ultimate.allocInit(4, 26);call write~init~int(37, 26, 0, 1);call write~init~int(100, 26, 1, 1);call write~init~int(10, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(34, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(16, 31);call #Ultimate.allocInit(20, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(4, 34);call write~init~int(37, 34, 0, 1);call write~init~int(115, 34, 1, 1);call write~init~int(10, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(12, 36);call #Ultimate.allocInit(10, 37);call #Ultimate.allocInit(18, 38);call #Ultimate.allocInit(16, 39);call #Ultimate.allocInit(21, 40);~__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;~__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;~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;~sent_encrypted~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 889#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret57#1, main_~retValue_acc~33#1, main_~tmp~8#1;havoc main_~retValue_acc~33#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 513#L85true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 264#L78true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 750#L93true main_#t~ret57#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret57#1;havoc main_#t~ret57#1; 450#L2382true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet54#1, setup_#t~nondet55#1, setup_#t~nondet56#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; 950#L1390true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 199#L1396-2true assume { :end_inline_setClientId } true; 816#L2259true 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; 70#L955true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 236#L961-2true assume { :end_inline_setClientPrivateKey } true; 568#L2270true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 22, 0;havoc setup_#t~nondet54#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; 808#L1390-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 205#L1396-5true assume { :end_inline_setClientId } true; 345#L2280true 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; 291#L955-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 773#L961-5true assume { :end_inline_setClientPrivateKey } true; 873#L2291true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 23, 0;havoc setup_#t~nondet55#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; 90#L1390-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 198#L1396-8true assume { :end_inline_setClientId } true; 867#L2301true 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; 751#L955-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 783#L961-8true assume { :end_inline_setClientPrivateKey } true; 579#L2312true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 24, 0;havoc setup_#t~nondet56#1; 369#L2369true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#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~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#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~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#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; 193#L296-1true [2022-10-17 10:56:49,521 INFO L750 eck$LassoCheckResult]: Loop: 193#L296-1true assume !false; 742#L148true assume test_~splverifierCounter~0#1 < 4; 805#L149true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 395#L155true assume !(0 == test_~op1~0#1); 359#L168true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 778#L173true assume 0 != test_~tmp___8~0#1;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle#1, setClientAutoResponse_#in~value#1 := ~rjh~0, 1;havoc setClientAutoResponse_~handle#1, setClientAutoResponse_~value#1;setClientAutoResponse_~handle#1 := setClientAutoResponse_#in~handle#1;setClientAutoResponse_~value#1 := setClientAutoResponse_#in~value#1; 416#L908true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 811#L914-2true assume { :end_inline_setClientAutoResponse } true; 713#L2512true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 193#L296-1true [2022-10-17 10:56:49,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:49,528 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2022-10-17 10:56:49,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:49,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235331546] [2022-10-17 10:56:49,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:50,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:50,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235331546] [2022-10-17 10:56:50,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235331546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:56:50,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:56:50,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:56:50,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439584024] [2022-10-17 10:56:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:56:50,095 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2022-10-17 10:56:50,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:50,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395145870] [2022-10-17 10:56:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:50,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:50,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:50,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:50,281 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:50,282 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:50,282 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:50,282 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:50,282 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:56:50,283 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:50,283 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:50,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:50,284 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product20.cil.c_Iteration1_Loop [2022-10-17 10:56:50,284 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:50,284 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:50,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,487 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:50,488 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:56:50,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:50,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:50,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:50,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:50,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:50,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:56:50,533 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:56:50,533 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:56:50,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:50,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:50,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:50,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:50,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:56:50,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:50,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:50,582 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:56:50,582 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet6#1=5, ULTIMATE.start_test_~tmp___8~0#1=5} Honda state: {ULTIMATE.start_test_#t~nondet6#1=5, ULTIMATE.start_test_~tmp___8~0#1=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:56:50,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:50,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:50,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:50,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:50,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:56:50,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:50,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:50,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:50,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:50,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:50,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:50,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:56:50,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:56:50,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:50,737 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:56:50,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:50,780 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:50,780 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:50,780 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:50,780 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:50,781 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:56:50,781 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:50,781 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:50,781 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:50,781 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product20.cil.c_Iteration1_Loop [2022-10-17 10:56:50,781 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:50,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:50,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:50,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:50,952 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:56:50,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:50,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:50,955 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:50,961 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 [2022-10-17 10:56:50,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:50,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:50,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:50,973 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:56:50,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:50,977 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:56:50,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:50,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:56:50,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:51,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-10-17 10:56:51,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:51,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:51,033 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:51,037 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 [2022-10-17 10:56:51,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:51,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:51,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:51,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:51,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:51,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:51,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:51,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:56:51,057 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:56:51,080 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:56:51,080 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:56:51,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:51,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:51,093 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:51,104 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:56:51,105 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:56:51,105 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:56:51,105 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2022-10-17 10:56:51,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:56:51,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:51,145 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:56:51,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:51,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:56:51,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:51,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:56:51,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:51,513 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 [2022-10-17 10:56:51,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 964 states, 963 states have (on average 1.684319833852544) internal successors, (1622), 963 states have internal predecessors, (1622), 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 8.5) internal successors, (34), 4 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) [2022-10-17 10:56:51,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:51,918 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 964 states, 963 states have (on average 1.684319833852544) internal successors, (1622), 963 states have internal predecessors, (1622), 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 8.5) internal successors, (34), 4 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) Result 4377 states and 7353 transitions. Complement of second has 7 states. [2022-10-17 10:56:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-10-17 10:56:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2022-10-17 10:56:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4253 transitions. [2022-10-17 10:56:51,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4253 transitions. Stem has 25 letters. Loop has 9 letters. [2022-10-17 10:56:51,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:51,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4253 transitions. Stem has 34 letters. Loop has 9 letters. [2022-10-17 10:56:51,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:51,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4253 transitions. Stem has 25 letters. Loop has 18 letters. [2022-10-17 10:56:51,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:51,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4377 states and 7353 transitions. [2022-10-17 10:56:51,988 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2022-10-17 10:56:52,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4377 states to 1087 states and 1951 transitions. [2022-10-17 10:56:52,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2022-10-17 10:56:52,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 560 [2022-10-17 10:56:52,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1087 states and 1951 transitions. [2022-10-17 10:56:52,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:56:52,013 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1087 states and 1951 transitions. [2022-10-17 10:56:52,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states and 1951 transitions. [2022-10-17 10:56:52,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 566. [2022-10-17 10:56:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 1.784452296819788) internal successors, (1010), 565 states have internal predecessors, (1010), 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) [2022-10-17 10:56:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1010 transitions. [2022-10-17 10:56:52,079 INFO L240 hiAutomatonCegarLoop]: Abstraction has 566 states and 1010 transitions. [2022-10-17 10:56:52,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:52,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:56:52,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:56:52,084 INFO L87 Difference]: Start difference. First operand 566 states and 1010 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-10-17 10:56:52,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:52,141 INFO L93 Difference]: Finished difference Result 1109 states and 1982 transitions. [2022-10-17 10:56:52,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1109 states and 1982 transitions. [2022-10-17 10:56:52,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 522 [2022-10-17 10:56:52,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1109 states to 1109 states and 1982 transitions. [2022-10-17 10:56:52,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 575 [2022-10-17 10:56:52,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 575 [2022-10-17 10:56:52,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1109 states and 1982 transitions. [2022-10-17 10:56:52,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:56:52,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1109 states and 1982 transitions. [2022-10-17 10:56:52,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states and 1982 transitions. [2022-10-17 10:56:52,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 565. [2022-10-17 10:56:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 565 states have (on average 1.7805309734513275) internal successors, (1006), 564 states have internal predecessors, (1006), 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) [2022-10-17 10:56:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1006 transitions. [2022-10-17 10:56:52,186 INFO L240 hiAutomatonCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-10-17 10:56:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:56:52,187 INFO L428 stractBuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-10-17 10:56:52,187 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:56:52,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states and 1006 transitions. [2022-10-17 10:56:52,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2022-10-17 10:56:52,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:52,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:52,193 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] [2022-10-17 10:56:52,194 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:56:52,194 INFO L748 eck$LassoCheckResult]: Stem: 7707#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(19, 17);call #Ultimate.allocInit(16, 18);call #Ultimate.allocInit(19, 19);call #Ultimate.allocInit(44, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(11, 24);call #Ultimate.allocInit(19, 25);call #Ultimate.allocInit(4, 26);call write~init~int(37, 26, 0, 1);call write~init~int(100, 26, 1, 1);call write~init~int(10, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(34, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(16, 31);call #Ultimate.allocInit(20, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(4, 34);call write~init~int(37, 34, 0, 1);call write~init~int(115, 34, 1, 1);call write~init~int(10, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(12, 36);call #Ultimate.allocInit(10, 37);call #Ultimate.allocInit(18, 38);call #Ultimate.allocInit(16, 39);call #Ultimate.allocInit(21, 40);~__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;~__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;~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;~sent_encrypted~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 7658#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret57#1, main_~retValue_acc~33#1, main_~tmp~8#1;havoc main_~retValue_acc~33#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 7268#L85 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7198#L78 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 7199#L93 main_#t~ret57#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret57#1;havoc main_#t~ret57#1; 7263#L2382 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet54#1, setup_#t~nondet55#1, setup_#t~nondet56#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; 7704#L1390 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 7395#L1396-2 assume { :end_inline_setClientId } true; 7504#L2259 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; 7415#L955 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7416#L961-2 assume { :end_inline_setClientPrivateKey } true; 7475#L2270 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 22, 0;havoc setup_#t~nondet54#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; 7476#L1390-2 assume !(1 == setClientId_~handle#1); 7359#L1393-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 7360#L1396-5 assume { :end_inline_setClientId } true; 7516#L2280 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; 7378#L955-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7208#L961-5 assume { :end_inline_setClientPrivateKey } true; 7352#L2291 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 23, 0;havoc setup_#t~nondet55#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; 7472#L1390-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 7397#L1396-8 assume { :end_inline_setClientId } true; 7610#L2301 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; 7269#L955-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7270#L961-8 assume { :end_inline_setClientPrivateKey } true; 7381#L2312 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 24, 0;havoc setup_#t~nondet56#1; 7523#L2369 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#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~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#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~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#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; 7629#L296-1 assume !false; 7231#L148 [2022-10-17 10:56:52,195 INFO L750 eck$LassoCheckResult]: Loop: 7231#L148 assume test_~splverifierCounter~0#1 < 4; 7232#L149 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 7464#L155 assume !(0 == test_~op1~0#1); 7584#L168 assume !(0 == test_~op2~0#1); 7362#L182 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 7526#L187 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; 7527#L955-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7426#L961-11 assume { :end_inline_setClientPrivateKey } true; 7427#L2482 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 7222#L296-1 assume !false; 7231#L148 [2022-10-17 10:56:52,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:52,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2022-10-17 10:56:52,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:52,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457120571] [2022-10-17 10:56:52,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:52,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:52,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:52,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457120571] [2022-10-17 10:56:52,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457120571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:56:52,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:56:52,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:56:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122002084] [2022-10-17 10:56:52,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:56:52,381 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:52,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:52,382 INFO L85 PathProgramCache]: Analyzing trace with hash -88063911, now seen corresponding path program 1 times [2022-10-17 10:56:52,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:52,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765301113] [2022-10-17 10:56:52,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:52,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:52,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:52,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:52,510 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:52,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:52,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:52,511 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:52,511 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:56:52,511 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:52,511 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:52,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:52,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product20.cil.c_Iteration2_Loop [2022-10-17 10:56:52,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:52,512 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:52,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,677 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:52,678 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:56:52,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:52,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:52,680 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:52,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:56:52,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:52,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:52,717 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:56:52,717 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value#1=0, ~__ste_client_privateKey0~0=0, ULTIMATE.start_setClientPrivateKey_~value#1=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value#1=0, ~__ste_client_privateKey0~0=0, ULTIMATE.start_setClientPrivateKey_~value#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:56:52,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:52,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:52,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:52,756 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:52,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:52,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:56:52,784 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:56:52,785 INFO L440 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: [] [2022-10-17 10:56:52,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:52,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:52,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:52,822 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:52,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:52,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:52,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:56:52,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:52,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:52,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:52,886 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:52,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:56:52,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:56:52,912 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:56:52,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-10-17 10:56:52,952 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:52,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:52,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:52,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:52,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:56:52,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:52,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:52,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:52,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product20.cil.c_Iteration2_Loop [2022-10-17 10:56:52,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:52,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:52,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:52,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:53,115 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:53,115 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:56:53,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:53,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:53,117 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:53,123 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 [2022-10-17 10:56:53,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:53,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:53,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:53,132 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:56:53,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:53,134 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:56:53,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:53,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:56:53,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:53,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:53,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:53,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:53,193 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:53,200 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 [2022-10-17 10:56:53,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:53,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:53,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:53,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:53,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:53,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:53,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:53,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:56:53,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:56:53,238 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:56:53,239 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:56:53,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:53,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:53,240 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:53,246 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:56:53,246 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:56:53,246 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:56:53,246 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2022-10-17 10:56:53,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:56:53,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:53,288 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:56:53,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:53,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:56:53,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:53,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:56:53,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:53,554 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 [2022-10-17 10:56:53,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443 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) [2022-10-17 10:56:53,643 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443. 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 2133 states and 3835 transitions. Complement of second has 6 states. [2022-10-17 10:56:53,644 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 [2022-10-17 10:56:53,646 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) [2022-10-17 10:56:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1004 transitions. [2022-10-17 10:56:53,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 10 letters. [2022-10-17 10:56:53,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:53,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 37 letters. Loop has 10 letters. [2022-10-17 10:56:53,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:53,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 20 letters. [2022-10-17 10:56:53,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:53,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2133 states and 3835 transitions. [2022-10-17 10:56:53,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2022-10-17 10:56:53,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:53,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2133 states to 2123 states and 3819 transitions. [2022-10-17 10:56:53,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 551 [2022-10-17 10:56:53,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 553 [2022-10-17 10:56:53,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2123 states and 3819 transitions. [2022-10-17 10:56:53,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:56:53,758 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2123 states and 3819 transitions. [2022-10-17 10:56:53,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states and 3819 transitions. [2022-10-17 10:56:53,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1088. [2022-10-17 10:56:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.7922794117647058) internal successors, (1950), 1087 states have internal predecessors, (1950), 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) [2022-10-17 10:56:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1950 transitions. [2022-10-17 10:56:53,796 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1088 states and 1950 transitions. [2022-10-17 10:56:53,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:53,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:56:53,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:56:53,798 INFO L87 Difference]: Start difference. First operand 1088 states and 1950 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2022-10-17 10:56:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:53,964 INFO L93 Difference]: Finished difference Result 2119 states and 3797 transitions. [2022-10-17 10:56:53,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2119 states and 3797 transitions. [2022-10-17 10:56:53,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 506 [2022-10-17 10:56:54,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2119 states to 2119 states and 3797 transitions. [2022-10-17 10:56:54,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 557 [2022-10-17 10:56:54,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 557 [2022-10-17 10:56:54,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2119 states and 3797 transitions. [2022-10-17 10:56:54,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:56:54,008 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2119 states and 3797 transitions. [2022-10-17 10:56:54,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states and 3797 transitions. [2022-10-17 10:56:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 1088. [2022-10-17 10:56:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.791360294117647) internal successors, (1949), 1087 states have internal predecessors, (1949), 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) [2022-10-17 10:56:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1949 transitions. [2022-10-17 10:56:54,040 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2022-10-17 10:56:54,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:56:54,041 INFO L428 stractBuchiCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2022-10-17 10:56:54,041 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:56:54,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1088 states and 1949 transitions. [2022-10-17 10:56:54,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2022-10-17 10:56:54,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:54,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:54,050 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] [2022-10-17 10:56:54,050 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:56:54,051 INFO L748 eck$LassoCheckResult]: Stem: 13770#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(19, 17);call #Ultimate.allocInit(16, 18);call #Ultimate.allocInit(19, 19);call #Ultimate.allocInit(44, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(11, 24);call #Ultimate.allocInit(19, 25);call #Ultimate.allocInit(4, 26);call write~init~int(37, 26, 0, 1);call write~init~int(100, 26, 1, 1);call write~init~int(10, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(34, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(16, 31);call #Ultimate.allocInit(20, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(4, 34);call write~init~int(37, 34, 0, 1);call write~init~int(115, 34, 1, 1);call write~init~int(10, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(10, 35);call #Ultimate.allocInit(12, 36);call #Ultimate.allocInit(10, 37);call #Ultimate.allocInit(18, 38);call #Ultimate.allocInit(16, 39);call #Ultimate.allocInit(21, 40);~__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;~__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;~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;~sent_encrypted~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 13710#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret57#1, main_~retValue_acc~33#1, main_~tmp~8#1;havoc main_~retValue_acc~33#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 13314#L85 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 13245#L78 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 13246#L93 main_#t~ret57#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret57#1;havoc main_#t~ret57#1; 13309#L2382 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet54#1, setup_#t~nondet55#1, setup_#t~nondet56#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; 13765#L1390 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 13442#L1396-2 assume { :end_inline_setClientId } true; 13549#L2259 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; 13462#L955 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 13463#L961-2 assume { :end_inline_setClientPrivateKey } true; 13522#L2270 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 22, 0;havoc setup_#t~nondet54#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; 13523#L1390-2 assume !(1 == setClientId_~handle#1); 13407#L1393-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 13408#L1396-5 assume { :end_inline_setClientId } true; 13563#L2280 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; 13421#L955-2 assume !(1 == setClientPrivateKey_~handle#1); 13253#L958-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 13255#L961-5 assume { :end_inline_setClientPrivateKey } true; 13400#L2291 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 23, 0;havoc setup_#t~nondet55#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; 13519#L1390-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 13444#L1396-8 assume { :end_inline_setClientId } true; 13658#L2301 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; 13315#L955-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 13316#L961-8 assume { :end_inline_setClientPrivateKey } true; 13428#L2312 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 24, 0;havoc setup_#t~nondet56#1; 13570#L2369 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#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~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#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~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#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; 13679#L296-1 assume !false; 13786#L148 assume test_~splverifierCounter~0#1 < 4; 13510#L149 [2022-10-17 10:56:54,051 INFO L750 eck$LassoCheckResult]: Loop: 13510#L149 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 13511#L155 assume !(0 == test_~op1~0#1); 13634#L168 assume !(0 == test_~op2~0#1); 13410#L182 assume !(0 == test_~op3~0#1); 13429#L196 assume !(0 == test_~op4~0#1); 13431#L210 assume !(0 == test_~op5~0#1); 13617#L224 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 13756#L229 assume 0 != test_~tmp___4~0#1;test_~op6~0#1 := 1; 13269#L296-1 assume !false; 13747#L148 assume test_~splverifierCounter~0#1 < 4; 13510#L149 [2022-10-17 10:56:54,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:54,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2022-10-17 10:56:54,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:54,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403943839] [2022-10-17 10:56:54,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:54,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:54,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:54,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403943839] [2022-10-17 10:56:54,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403943839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:56:54,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:56:54,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:56:54,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528580195] [2022-10-17 10:56:54,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:56:54,175 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash 347519073, now seen corresponding path program 1 times [2022-10-17 10:56:54,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:54,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517482624] [2022-10-17 10:56:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:54,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:54,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:54,258 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:54,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:54,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:54,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:54,259 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:56:54,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:54,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:54,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product20.cil.c_Iteration3_Loop [2022-10-17 10:56:54,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:54,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:54,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,369 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:54,369 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:56:54,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:54,370 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:54,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:54,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:54,393 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:56:54,393 INFO L440 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: [] [2022-10-17 10:56:54,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:56:54,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:54,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:54,433 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:54,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:56:54,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:54,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:56:54,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:54,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:54,497 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:54,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:56:54,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:56:54,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:56:54,615 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:56:54,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:54,618 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:54,618 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:54,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:54,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:54,618 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:56:54,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:54,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:54,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product20.cil.c_Iteration3_Loop [2022-10-17 10:56:54,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:54,619 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:54,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:54,739 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:54,739 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:56:54,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:54,744 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:54,759 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 [2022-10-17 10:56:54,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:54,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:54,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:56:54,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:54,769 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:56:54,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:54,772 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:56:54,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:54,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:54,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:54,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:54,825 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:54,836 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 [2022-10-17 10:56:54,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:54,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:54,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:54,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:54,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:54,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:54,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:54,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:56:54,860 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:56:54,873 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:56:54,873 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:56:54,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:54,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:54,875 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:54,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:56:54,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:56:54,923 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:56:54,924 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:56:54,924 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 5 Supporting invariants [] [2022-10-17 10:56:54,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:54,970 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:56:54,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:55,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:56:55,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:55,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:56:55,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:55,209 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 [2022-10-17 10:56:55,210 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865 Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-10-17 10:56:55,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 2398 states and 4316 transitions. Complement of second has 4 states. [2022-10-17 10:56:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:56:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-10-17 10:56:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2022-10-17 10:56:55,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 10 letters. [2022-10-17 10:56:55,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:55,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 39 letters. Loop has 10 letters. [2022-10-17 10:56:55,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:55,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 20 letters. [2022-10-17 10:56:55,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:55,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2398 states and 4316 transitions. [2022-10-17 10:56:55,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:56:55,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2398 states to 0 states and 0 transitions. [2022-10-17 10:56:55,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:56:55,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:56:55,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:56:55,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:55,289 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:55,289 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:55,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:55,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:56:55,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:56:55,291 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-10-17 10:56:55,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:55,291 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-10-17 10:56:55,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-10-17 10:56:55,291 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:56:55,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:56:55,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:56:55,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:56:55,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:56:55,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:55,292 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:55,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:55,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:56:55,294 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:56:55,294 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:56:55,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:56:55,294 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:56:55,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:56:55,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:56:55 BoogieIcfgContainer [2022-10-17 10:56:55,308 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:56:55,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:56:55,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:56:55,308 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:56:55,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:49" (3/4) ... [2022-10-17 10:56:55,314 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:56:55,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:56:55,316 INFO L158 Benchmark]: Toolchain (without parser) took 9870.11ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 74.6MB in the beginning and 135.2MB in the end (delta: -60.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-10-17 10:56:55,316 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:56:55,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 985.40ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 46.5MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-10-17 10:56:55,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.93ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 46.3MB in the beginning and 100.4MB in the end (delta: -54.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-10-17 10:56:55,325 INFO L158 Benchmark]: Boogie Preprocessor took 186.17ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 88.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 10:56:55,326 INFO L158 Benchmark]: RCFGBuilder took 2435.12ms. Allocated memory is still 132.1MB. Free memory was 88.3MB in the beginning and 50.8MB in the end (delta: 37.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-10-17 10:56:55,326 INFO L158 Benchmark]: BuchiAutomizer took 6053.20ms. Allocated memory was 132.1MB in the beginning and 226.5MB in the end (delta: 94.4MB). Free memory was 50.8MB in the beginning and 135.2MB in the end (delta: -84.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-10-17 10:56:55,327 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 226.5MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:56:55,329 INFO L339 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 100.7MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 985.40ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 46.5MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.93ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 46.3MB in the beginning and 100.4MB in the end (delta: -54.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 186.17ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 88.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2435.12ms. Allocated memory is still 132.1MB. Free memory was 88.3MB in the beginning and 50.8MB in the end (delta: 37.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 6053.20ms. Allocated memory was 132.1MB in the beginning and 226.5MB in the end (delta: 94.4MB). Free memory was 50.8MB in the beginning and 135.2MB in the end (delta: -84.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 226.5MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB. * 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 -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3131 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.2s 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, 6704 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6701 mSDsluCounter, 15149 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8472 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 6677 mSDtfsCounter, 119 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp23 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf89 smp100 dnf130 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:56:55,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:55,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04de8e67-dc9c-4957-a0d5-f24013efbb5c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE