./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be --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 5ce5fd5bda0c8594f52541a2ff1031f1544bc9165bf7645718c7801e066263fc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:05:32,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:05:32,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:05:32,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:05:32,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:05:32,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:05:32,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:05:32,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:05:32,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:05:32,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:05:32,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:05:32,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:05:32,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:05:32,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:05:32,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:05:32,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:05:32,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:05:32,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:05:32,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:05:32,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:05:32,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:05:32,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:05:32,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:05:32,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:05:32,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:05:32,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:05:32,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:05:32,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:05:32,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:05:32,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:05:32,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:05:32,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:05:32,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:05:32,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:05:32,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:05:32,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:05:32,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:05:32,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:05:32,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:05:32,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:05:32,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:05:32,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:05:32,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:05:32,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:05:32,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:05:32,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:05:32,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:05:32,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:05:32,649 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:05:32,649 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:05:32,649 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:05:32,650 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:05:32,651 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:05:32,651 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:05:32,652 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:05:32,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:05:32,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:05:32,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:05:32,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:05:32,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:05:32,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:05:32,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:05:32,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:05:32,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:05:32,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:05:32,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:05:32,655 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:05:32,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:05:32,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:05:32,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:05:32,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:05:32,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:05:32,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:05:32,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:05:32,661 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:05:32,661 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_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ce5fd5bda0c8594f52541a2ff1031f1544bc9165bf7645718c7801e066263fc [2021-10-21 20:05:33,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:05:33,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:05:33,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:05:33,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:05:33,067 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:05:33,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2021-10-21 20:05:33,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/data/0f1113010/9c47e31bf0474fffa94b2b53e10d3540/FLAGa06bd6c39 [2021-10-21 20:05:34,001 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:05:34,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2021-10-21 20:05:34,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/data/0f1113010/9c47e31bf0474fffa94b2b53e10d3540/FLAGa06bd6c39 [2021-10-21 20:05:34,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/data/0f1113010/9c47e31bf0474fffa94b2b53e10d3540 [2021-10-21 20:05:34,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:05:34,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:05:34,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:05:34,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:05:34,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:05:34,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:05:34" (1/1) ... [2021-10-21 20:05:34,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c22ea10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:34, skipping insertion in model container [2021-10-21 20:05:34,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:05:34" (1/1) ... [2021-10-21 20:05:34,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:05:34,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:05:34,517 WARN L228 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_80e36a77-b200-4a69-95a8-57173ff3e9a2/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c[7449,7462] [2021-10-21 20:05:34,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:05:34,995 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:05:35,042 WARN L228 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_80e36a77-b200-4a69-95a8-57173ff3e9a2/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c[7449,7462] [2021-10-21 20:05:35,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:05:35,244 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:05:35,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35 WrapperNode [2021-10-21 20:05:35,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:05:35,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:05:35,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:05:35,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:05:35,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:05:35,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:05:35,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:05:35,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:05:35,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:05:35,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:05:35,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:05:35,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:05:35,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (1/1) ... [2021-10-21 20:05:35,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:35,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:35,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:35,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:05:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 20:05:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:05:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:05:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:05:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:05:38,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:05:38,361 INFO L299 CfgBuilder]: Removed 295 assume(true) statements. [2021-10-21 20:05:38,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:05:38 BoogieIcfgContainer [2021-10-21 20:05:38,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:05:38,367 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:05:38,368 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:05:38,372 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:05:38,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:05:38,374 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:05:34" (1/3) ... [2021-10-21 20:05:38,376 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@117faeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:05:38, skipping insertion in model container [2021-10-21 20:05:38,376 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:05:38,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:05:35" (2/3) ... [2021-10-21 20:05:38,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@117faeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:05:38, skipping insertion in model container [2021-10-21 20:05:38,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:05:38,377 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:05:38" (3/3) ... [2021-10-21 20:05:38,379 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec0_product16.cil.c [2021-10-21 20:05:38,455 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:05:38,456 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:05:38,456 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:05:38,456 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:05:38,456 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:05:38,457 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:05:38,457 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:05:38,457 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:05:38,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 445 states, 444 states have (on average 1.7387387387387387) internal successors, (772), 444 states have internal predecessors, (772), 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) [2021-10-21 20:05:38,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 20:05:38,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:05:38,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:05:38,594 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:38,594 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:05:38,594 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:05:38,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 445 states, 444 states have (on average 1.7387387387387387) internal successors, (772), 444 states have internal predecessors, (772), 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) [2021-10-21 20:05:38,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 20:05:38,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:05:38,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:05:38,626 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:38,629 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:05:38,644 INFO L791 eck$LassoCheckResult]: Stem: 438#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(9);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(11);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(19);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string26.base, #t~string26.offset, 1);call write~init~int(100, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(10, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(12);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(18);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(16);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(30);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(9);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(25);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(25);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(115, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 370#L-1true havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 32#L85true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 261#L93true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 287#L265true assume 0 != main_~tmp~1;havoc setup_#t~nondet16, setup_#t~nondet18, setup_#t~nondet20, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 30#L2157true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 49#L2163-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 323#L1722true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 234#L1728-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 152#L2157-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 237#L2163-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 273#L1722-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 294#L1728-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 289#L2157-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 279#L2163-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 307#L1722-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 102#L1728-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20; 157#L252true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 280#L705-1true [2021-10-21 20:05:38,644 INFO L793 eck$LassoCheckResult]: Loop: 280#L705-1true assume !false; 249#L560true assume test_~splverifierCounter~0 < 4; 53#L561true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 38#L567true assume !(0 == test_~op1~0); 3#L580true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet57;havoc test_#t~nondet57; 406#L585true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 280#L705-1true [2021-10-21 20:05:38,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:38,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 20:05:38,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:38,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806642579] [2021-10-21 20:05:38,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:38,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:39,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:39,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806642579] [2021-10-21 20:05:39,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806642579] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:39,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:39,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:05:39,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23192078] [2021-10-21 20:05:39,176 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:05:39,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:39,177 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-21 20:05:39,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:39,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959371383] [2021-10-21 20:05:39,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:39,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:05:39,199 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:05:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:05:39,298 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:05:39,384 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:05:39,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:05:39,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:05:39,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:05:39,385 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:05:39,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:39,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:05:39,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:05:39,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration1_Loop [2021-10-21 20:05:39,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:05:39,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:05:39,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,545 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:05:39,545 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:05:39,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:39,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:39,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:39,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:05:39,562 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:05:39,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:05:39,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:39,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:39,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:39,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:05:39,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:05:39,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:05:39,680 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:05:39,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:39,725 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:05:39,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:05:39,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:05:39,726 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:05:39,726 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:05:39,726 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:39,726 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:05:39,727 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:05:39,727 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration1_Loop [2021-10-21 20:05:39,727 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:05:39,727 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:05:39,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:39,852 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:05:39,858 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:05:39,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:39,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:39,861 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:39,867 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 [2021-10-21 20:05:39,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:05:39,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:05:39,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:05:39,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:05:39,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:05:39,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:05:39,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:05:39,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:05:39,899 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:05:39,913 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:05:39,913 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:05:39,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:39,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:39,936 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:39,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:05:39,952 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:05:39,952 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:05:39,953 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-21 20:05:39,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:05:40,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:40,004 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:05:40,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:40,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:05:40,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:40,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:05:40,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:40,476 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:05:40,479 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 445 states, 444 states have (on average 1.7387387387387387) internal successors, (772), 444 states have internal predecessors, (772), 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 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-10-21 20:05:40,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:40,930 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 445 states, 444 states have (on average 1.7387387387387387) internal successors, (772), 444 states have internal predecessors, (772), 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 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 1898 states and 3272 transitions. Complement of second has 7 states. [2021-10-21 20:05:40,931 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 [2021-10-21 20:05:40,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-10-21 20:05:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1830 transitions. [2021-10-21 20:05:40,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1830 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-21 20:05:40,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:05:40,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1830 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-21 20:05:40,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:05:40,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1830 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-21 20:05:40,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:05:40,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1898 states and 3272 transitions. [2021-10-21 20:05:40,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-10-21 20:05:41,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1898 states to 879 states and 1596 transitions. [2021-10-21 20:05:41,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2021-10-21 20:05:41,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2021-10-21 20:05:41,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2021-10-21 20:05:41,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:05:41,021 INFO L681 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2021-10-21 20:05:41,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2021-10-21 20:05:41,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2021-10-21 20:05:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.8092105263157894) internal successors, (825), 455 states have internal predecessors, (825), 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) [2021-10-21 20:05:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2021-10-21 20:05:41,135 INFO L704 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2021-10-21 20:05:41,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:41,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:05:41,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:05:41,141 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-10-21 20:05:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:41,208 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2021-10-21 20:05:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:05:41,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2021-10-21 20:05:41,221 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2021-10-21 20:05:41,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2021-10-21 20:05:41,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2021-10-21 20:05:41,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2021-10-21 20:05:41,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2021-10-21 20:05:41,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:05:41,239 INFO L681 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2021-10-21 20:05:41,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2021-10-21 20:05:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2021-10-21 20:05:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 455 states have (on average 1.8043956043956044) internal successors, (821), 454 states have internal predecessors, (821), 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) [2021-10-21 20:05:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2021-10-21 20:05:41,265 INFO L704 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 20:05:41,265 INFO L587 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 20:05:41,266 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:05:41,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2021-10-21 20:05:41,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 20:05:41,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:05:41,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:05:41,274 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:41,274 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:05:41,275 INFO L791 eck$LassoCheckResult]: Stem: 4244#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(9);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(11);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(19);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string26.base, #t~string26.offset, 1);call write~init~int(100, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(10, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(12);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(18);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(16);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(30);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(9);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(25);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(25);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(115, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 4180#L-1 havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 3934#L85 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3928#L93 main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 3929#L265 assume 0 != main_~tmp~1;havoc setup_#t~nondet16, setup_#t~nondet18, setup_#t~nondet20, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3925#L2157 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3926#L2163-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4015#L1722 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4099#L1728-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4185#L2157-2 assume !(1 == setClientId_~handle); 4186#L2160-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3810#L2163-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3811#L1722-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3981#L1728-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4026#L2157-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4005#L2163-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4006#L1722-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3829#L1728-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20; 4118#L252 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4191#L705-1 assume !false; 3863#L560 [2021-10-21 20:05:41,275 INFO L793 eck$LassoCheckResult]: Loop: 3863#L560 assume test_~splverifierCounter~0 < 4; 3864#L561 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3967#L567 assume !(0 == test_~op1~0); 3790#L580 assume !(0 == test_~op2~0); 3791#L591 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet58;havoc test_#t~nondet58; 4090#L596 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3955#L1722-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3806#L1728-11 test_~op3~0 := 1; 3807#L705-1 assume !false; 3863#L560 [2021-10-21 20:05:41,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:41,276 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-21 20:05:41,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:41,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769613086] [2021-10-21 20:05:41,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:41,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:41,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:05:41,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769613086] [2021-10-21 20:05:41,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769613086] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:05:41,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:05:41,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:05:41,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694472778] [2021-10-21 20:05:41,493 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:05:41,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:41,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-21 20:05:41,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:05:41,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934783484] [2021-10-21 20:05:41,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:05:41,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:05:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:05:41,510 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:05:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:05:41,540 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:05:41,734 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:05:41,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:05:41,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:05:41,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:05:41,735 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:05:41,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:41,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:05:41,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:05:41,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration2_Loop [2021-10-21 20:05:41,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:05:41,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:05:41,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:41,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:41,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:41,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:41,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:41,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:41,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:41,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:05:41,947 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:05:41,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:41,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:41,952 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:41,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:05:41,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:05:41,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:05:41,994 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:05:41,994 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-8, ULTIMATE.start_test_#t~nondet58=-8} Honda state: {ULTIMATE.start_test_~tmp___7~0=-8, ULTIMATE.start_test_#t~nondet58=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:05:42,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:42,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:42,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:42,041 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:42,050 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:05:42,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:05:42,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:05:42,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:42,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:42,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:42,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:42,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:05:42,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:05:42,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:05:42,208 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:05:42,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:42,216 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:05:42,217 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:05:42,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:05:42,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:05:42,217 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:05:42,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:42,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:05:42,217 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:05:42,217 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration2_Loop [2021-10-21 20:05:42,217 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:05:42,218 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:05:42,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:42,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:42,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:42,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:42,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:42,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:42,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:05:42,413 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:05:42,413 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:05:42,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:42,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:42,420 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:42,429 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 [2021-10-21 20:05:42,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:05:42,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:05:42,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:05:42,441 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:05:42,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:05:42,444 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:05:42,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:05:42,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:05:42,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:05:42,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:42,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:42,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:42,509 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:42,518 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 [2021-10-21 20:05:42,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:05:42,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:05:42,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:05:42,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:05:42,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:05:42,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:05:42,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:05:42,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:05:42,543 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:05:42,547 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:05:42,547 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:05:42,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:05:42,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:05:42,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:05:42,561 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:05:42,561 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:05:42,562 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:05:42,562 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-21 20:05:42,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:05:42,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:42,605 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:05:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:05:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:42,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:05:42,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:05:42,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:05:42,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:05:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:05:43,024 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 20:05:43,025 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 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) [2021-10-21 20:05:43,069 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 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) Result 883 states and 1601 transitions. Complement of second has 6 states. [2021-10-21 20:05:43,069 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 [2021-10-21 20:05:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 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) [2021-10-21 20:05:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-10-21 20:05:43,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-21 20:05:43,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:05:43,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-21 20:05:43,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:05:43,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-21 20:05:43,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:05:43,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2021-10-21 20:05:43,092 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:05:43,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2021-10-21 20:05:43,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:05:43,092 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:05:43,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:05:43,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:05:43,093 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:05:43,093 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:05:43,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:05:43,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:05:43,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:05:43,095 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-21 20:05:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:05:43,096 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 20:05:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:05:43,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 20:05:43,097 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:05:43,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:05:43,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:05:43,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:05:43,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:05:43,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:05:43,103 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:05:43,103 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:05:43,103 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:05:43,103 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:05:43,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:05:43,107 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:05:43,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:05:43,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:05:43 BoogieIcfgContainer [2021-10-21 20:05:43,116 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:05:43,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:05:43,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:05:43,118 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:05:43,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:05:38" (3/4) ... [2021-10-21 20:05:43,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:05:43,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:05:43,125 INFO L168 Benchmark]: Toolchain (without parser) took 9044.80 ms. Allocated memory was 96.5 MB in the beginning and 155.2 MB in the end (delta: 58.7 MB). Free memory was 73.3 MB in the beginning and 44.0 MB in the end (delta: 29.3 MB). Peak memory consumption was 89.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,132 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 51.3 MB in the beginning and 51.3 MB in the end (delta: 57.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1165.44 ms. Allocated memory is still 96.5 MB. Free memory was 72.9 MB in the beginning and 64.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.08 ms. Allocated memory is still 96.5 MB. Free memory was 64.2 MB in the beginning and 54.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,134 INFO L168 Benchmark]: Boogie Preprocessor took 198.52 ms. Allocated memory is still 96.5 MB. Free memory was 54.9 MB in the beginning and 48.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,135 INFO L168 Benchmark]: RCFGBuilder took 2725.29 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 48.6 MB in the beginning and 63.3 MB in the end (delta: -14.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,139 INFO L168 Benchmark]: BuchiAutomizer took 4748.72 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 63.3 MB in the beginning and 45.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,140 INFO L168 Benchmark]: Witness Printer took 5.23 ms. Allocated memory is still 155.2 MB. Free memory was 45.0 MB in the beginning and 44.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:05:43,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 51.3 MB in the beginning and 51.3 MB in the end (delta: 57.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1165.44 ms. Allocated memory is still 96.5 MB. Free memory was 72.9 MB in the beginning and 64.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 194.08 ms. Allocated memory is still 96.5 MB. Free memory was 64.2 MB in the beginning and 54.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 198.52 ms. Allocated memory is still 96.5 MB. Free memory was 54.9 MB in the beginning and 48.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2725.29 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 48.6 MB in the beginning and 63.3 MB in the end (delta: -14.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4748.72 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 63.3 MB in the beginning and 45.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.23 ms. Allocated memory is still 155.2 MB. Free memory was 45.0 MB in the beginning and 44.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 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 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 121.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2747 SDtfs, 2328 SDslu, 3323 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:05:43,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:05:43,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80e36a77-b200-4a69-95a8-57173ff3e9a2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...