./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:45:50,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:45:50,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:45:50,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:45:50,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:45:50,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:45:50,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:45:50,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:45:50,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:45:50,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:45:50,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:45:50,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:45:50,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:45:50,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:45:50,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:45:50,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:45:50,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:45:50,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:45:50,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:45:50,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:45:50,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:45:50,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:45:50,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:45:50,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:45:50,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:45:50,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:45:50,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:45:50,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:45:50,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:45:50,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:45:50,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:45:50,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:45:50,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:45:50,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:45:50,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:45:50,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:45:50,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:45:50,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:45:50,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:45:50,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:45:50,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:45:50,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:45:50,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:45:50,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:45:50,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:45:50,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:45:50,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:45:50,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:45:50,443 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:45:50,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:45:50,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:45:50,444 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:45:50,444 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:45:50,444 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:45:50,445 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:45:50,445 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:45:50,445 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:45:50,445 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:45:50,446 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:45:50,446 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:45:50,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:45:50,447 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:45:50,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:45:50,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:45:50,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:45:50,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:45:50,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:45:50,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:45:50,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:45:50,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:45:50,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:45:50,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:45:50,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:45:50,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:45:50,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:50,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:45:50,450 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:45:50,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:45:50,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:45:50,451 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:45:50,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:45:50,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:45:50,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:45:50,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b [2022-11-03 02:45:50,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:45:50,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:45:50,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:45:50,807 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:45:50,809 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:45:50,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2022-11-03 02:45:50,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/data/ea2609072/09d9b4b06ffb4b0aafeddd1b7a3ff7ad/FLAGec3246f35 [2022-11-03 02:45:51,602 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:45:51,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2022-11-03 02:45:51,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/data/ea2609072/09d9b4b06ffb4b0aafeddd1b7a3ff7ad/FLAGec3246f35 [2022-11-03 02:45:51,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/data/ea2609072/09d9b4b06ffb4b0aafeddd1b7a3ff7ad [2022-11-03 02:45:51,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:45:51,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:45:51,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:51,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:45:51,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:45:51,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:51,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9a1f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51, skipping insertion in model container [2022-11-03 02:45:51,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:51,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:45:51,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:45:52,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2022-11-03 02:45:52,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:45:52,585 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:45:52,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c[37973,37986] [2022-11-03 02:45:52,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:45:52,715 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:45:52,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52 WrapperNode [2022-11-03 02:45:52,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:52,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:45:52,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:45:52,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:45:52,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,808 INFO L138 Inliner]: procedures = 131, calls = 228, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 930 [2022-11-03 02:45:52,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:45:52,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:45:52,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:45:52,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:45:52,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:45:52,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:45:52,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:45:52,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:45:52,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (1/1) ... [2022-11-03 02:45:52,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:52,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:52,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:45:52,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:45:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-03 02:45:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-03 02:45:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-03 02:45:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-03 02:45:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-03 02:45:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-03 02:45:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-03 02:45:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-03 02:45:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-03 02:45:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-03 02:45:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-03 02:45:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-03 02:45:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-03 02:45:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-03 02:45:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-03 02:45:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-03 02:45:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-03 02:45:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-03 02:45:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-03 02:45:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-03 02:45:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-03 02:45:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-03 02:45:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-03 02:45:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-03 02:45:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-03 02:45:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-03 02:45:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-03 02:45:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-03 02:45:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-03 02:45:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:45:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-03 02:45:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-03 02:45:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-03 02:45:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-03 02:45:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-03 02:45:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-03 02:45:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-03 02:45:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-03 02:45:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-03 02:45:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-03 02:45:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-03 02:45:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-03 02:45:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2022-11-03 02:45:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2022-11-03 02:45:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-11-03 02:45:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-11-03 02:45:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-03 02:45:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-03 02:45:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-03 02:45:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-03 02:45:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-03 02:45:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-03 02:45:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-03 02:45:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-03 02:45:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-03 02:45:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-03 02:45:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:45:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-03 02:45:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-03 02:45:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-03 02:45:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-03 02:45:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:45:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:45:53,321 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:45:53,323 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:45:54,240 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:45:54,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:45:54,882 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:45:54,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:54 BoogieIcfgContainer [2022-11-03 02:45:54,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:45:54,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:45:54,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:45:54,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:45:54,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:45:51" (1/3) ... [2022-11-03 02:45:54,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10470d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:54, skipping insertion in model container [2022-11-03 02:45:54,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:52" (2/3) ... [2022-11-03 02:45:54,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10470d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:54, skipping insertion in model container [2022-11-03 02:45:54,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:54" (3/3) ... [2022-11-03 02:45:54,897 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2022-11-03 02:45:54,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:45:54,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:45:54,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:45:55,009 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@600c4b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:45:55,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:45:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2022-11-03 02:45:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 02:45:55,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:55,048 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:55,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:55,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:55,057 INFO L85 PathProgramCache]: Analyzing trace with hash -561152339, now seen corresponding path program 1 times [2022-11-03 02:45:55,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:55,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058080768] [2022-11-03 02:45:55,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:55,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 02:45:55,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:55,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058080768] [2022-11-03 02:45:55,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058080768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:55,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:55,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:45:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476899130] [2022-11-03 02:45:55,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:55,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:45:55,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:55,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:45:55,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:45:55,660 INFO L87 Difference]: Start difference. First operand has 217 states, 122 states have (on average 1.3032786885245902) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:45:55,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:55,797 INFO L93 Difference]: Finished difference Result 342 states and 445 transitions. [2022-11-03 02:45:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:45:55,800 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 110 [2022-11-03 02:45:55,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:55,812 INFO L225 Difference]: With dead ends: 342 [2022-11-03 02:45:55,813 INFO L226 Difference]: Without dead ends: 214 [2022-11-03 02:45:55,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:45:55,821 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:55,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:55,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-11-03 02:45:55,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2022-11-03 02:45:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 120 states have (on average 1.275) internal successors, (153), 124 states have internal predecessors, (153), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-03 02:45:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 280 transitions. [2022-11-03 02:45:55,887 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 280 transitions. Word has length 110 [2022-11-03 02:45:55,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:55,889 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 280 transitions. [2022-11-03 02:45:55,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:45:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 280 transitions. [2022-11-03 02:45:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-03 02:45:55,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:55,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:55,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:45:55,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1368091390, now seen corresponding path program 1 times [2022-11-03 02:45:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:55,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464388922] [2022-11-03 02:45:55,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:55,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 02:45:56,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:56,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464388922] [2022-11-03 02:45:56,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464388922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:56,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:56,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:56,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885791938] [2022-11-03 02:45:56,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:56,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:56,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:56,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:56,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:56,241 INFO L87 Difference]: Start difference. First operand 214 states and 280 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:45:56,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:56,382 INFO L93 Difference]: Finished difference Result 338 states and 430 transitions. [2022-11-03 02:45:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:56,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 111 [2022-11-03 02:45:56,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:56,385 INFO L225 Difference]: With dead ends: 338 [2022-11-03 02:45:56,387 INFO L226 Difference]: Without dead ends: 216 [2022-11-03 02:45:56,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:56,393 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:56,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 483 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-03 02:45:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-03 02:45:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 126 states have internal predecessors, (155), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-03 02:45:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 282 transitions. [2022-11-03 02:45:56,443 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 282 transitions. Word has length 111 [2022-11-03 02:45:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:56,444 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 282 transitions. [2022-11-03 02:45:56,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:45:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 282 transitions. [2022-11-03 02:45:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-03 02:45:56,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:56,452 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:56,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:45:56,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:56,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:56,454 INFO L85 PathProgramCache]: Analyzing trace with hash 859589149, now seen corresponding path program 1 times [2022-11-03 02:45:56,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:56,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688804465] [2022-11-03 02:45:56,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:56,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 02:45:56,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:56,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688804465] [2022-11-03 02:45:56,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688804465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:56,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:56,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:56,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97393269] [2022-11-03 02:45:56,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:56,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:56,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:56,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:56,663 INFO L87 Difference]: Start difference. First operand 216 states and 282 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:45:56,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:56,793 INFO L93 Difference]: Finished difference Result 467 states and 631 transitions. [2022-11-03 02:45:56,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:56,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 116 [2022-11-03 02:45:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:56,797 INFO L225 Difference]: With dead ends: 467 [2022-11-03 02:45:56,797 INFO L226 Difference]: Without dead ends: 269 [2022-11-03 02:45:56,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:56,800 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 59 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:56,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 494 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:45:56,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-11-03 02:45:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 264. [2022-11-03 02:45:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 156 states have (on average 1.3461538461538463) internal successors, (210), 160 states have internal predecessors, (210), 78 states have call successors, (78), 29 states have call predecessors, (78), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2022-11-03 02:45:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 365 transitions. [2022-11-03 02:45:56,828 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 365 transitions. Word has length 116 [2022-11-03 02:45:56,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:56,829 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 365 transitions. [2022-11-03 02:45:56,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:45:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 365 transitions. [2022-11-03 02:45:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-03 02:45:56,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:56,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:56,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:45:56,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:56,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:56,834 INFO L85 PathProgramCache]: Analyzing trace with hash 443476845, now seen corresponding path program 1 times [2022-11-03 02:45:56,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:56,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968783033] [2022-11-03 02:45:56,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:56,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:45:57,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:57,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968783033] [2022-11-03 02:45:57,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968783033] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:45:57,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096035220] [2022-11-03 02:45:57,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:57,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:57,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:57,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:45:57,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:45:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:57,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:45:57,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:45:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:45:57,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:45:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:45:57,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096035220] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:45:57,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1474333764] [2022-11-03 02:45:57,821 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2022-11-03 02:45:57,822 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:45:57,831 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:45:57,837 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:45:57,842 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:46:28,733 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-03 02:46:29,133 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 258 for LOIs [2022-11-03 02:46:31,335 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 234 for LOIs [2022-11-03 02:46:31,399 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-03 02:46:31,839 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 260 for LOIs [2022-11-03 02:46:35,496 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 260 for LOIs [2022-11-03 02:46:50,989 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 245 for LOIs [2022-11-03 02:46:51,698 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 245 for LOIs [2022-11-03 02:46:51,738 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 455 for LOIs [2022-11-03 02:46:52,442 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 243 for LOIs [2022-11-03 02:46:52,512 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 437 for LOIs [2022-11-03 02:46:53,311 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 481 for LOIs [2022-11-03 02:46:56,995 INFO L197 IcfgInterpreter]: Interpreting procedure isVerified with input of size 245 for LOIs [2022-11-03 02:46:57,043 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 248 for LOIs [2022-11-03 02:46:57,099 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:47:10,441 WARN L234 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 444 DAG size of output: 244 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:47:16,662 WARN L234 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 467 DAG size of output: 264 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:47:30,006 WARN L234 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 464 DAG size of output: 283 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:47:35,919 WARN L234 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 476 DAG size of output: 309 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:47:47,255 WARN L234 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 498 DAG size of output: 307 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:47:54,528 WARN L234 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 508 DAG size of output: 287 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:48:19,772 WARN L234 SmtUtils]: Spent 23.60s on a formula simplification. DAG size of input: 577 DAG size of output: 448 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:48:32,829 WARN L234 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 579 DAG size of output: 329 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:48:56,844 WARN L234 SmtUtils]: Spent 14.95s on a formula simplification. DAG size of input: 476 DAG size of output: 364 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:49:26,287 WARN L234 SmtUtils]: Spent 7.35s on a formula simplification. DAG size of input: 455 DAG size of output: 260 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:49:36,128 WARN L234 SmtUtils]: Spent 7.81s on a formula simplification. DAG size of input: 481 DAG size of output: 276 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:50:03,863 WARN L234 SmtUtils]: Spent 12.58s on a formula simplification. DAG size of input: 437 DAG size of output: 341 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:50:19,482 WARN L234 SmtUtils]: Spent 13.14s on a formula simplification. DAG size of input: 456 DAG size of output: 349 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:50:26,215 WARN L234 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 461 DAG size of output: 348 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:51:36,823 WARN L234 SmtUtils]: Spent 15.40s on a formula simplification. DAG size of input: 580 DAG size of output: 378 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:51:48,052 WARN L234 SmtUtils]: Spent 9.67s on a formula simplification. DAG size of input: 577 DAG size of output: 388 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:52:09,363 WARN L234 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 613 DAG size of output: 420 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:52:17,014 WARN L234 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 613 DAG size of output: 420 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:52:17,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1474333764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:17,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:52:17,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [72] imperfect sequences [4, 4, 4] total 78 [2022-11-03 02:52:17,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144672581] [2022-11-03 02:52:17,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:17,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-11-03 02:52:17,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:17,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-11-03 02:52:17,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=5745, Unknown=0, NotChecked=0, Total=6006 [2022-11-03 02:52:17,024 INFO L87 Difference]: Start difference. First operand 264 states and 365 transitions. Second operand has 73 states, 47 states have (on average 1.148936170212766) internal successors, (54), 44 states have internal predecessors, (54), 22 states have call successors, (23), 15 states have call predecessors, (23), 12 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2022-11-03 02:52:32,874 WARN L234 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 573 DAG size of output: 419 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:52:44,287 WARN L234 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 580 DAG size of output: 422 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:53:53,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:53,369 INFO L93 Difference]: Finished difference Result 732 states and 1066 transitions. [2022-11-03 02:53:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-11-03 02:53:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 47 states have (on average 1.148936170212766) internal successors, (54), 44 states have internal predecessors, (54), 22 states have call successors, (23), 15 states have call predecessors, (23), 12 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) Word has length 106 [2022-11-03 02:53:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:53,376 INFO L225 Difference]: With dead ends: 732 [2022-11-03 02:53:53,377 INFO L226 Difference]: Without dead ends: 486 [2022-11-03 02:53:53,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 241 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1830 ImplicationChecksByTransitivity, 357.0s TimeCoverageRelationStatistics Valid=318, Invalid=7164, Unknown=0, NotChecked=0, Total=7482 [2022-11-03 02:53:53,381 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 228 mSDsluCounter, 10264 mSDsCounter, 0 mSdLazyCounter, 14410 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 10260 SdHoareTripleChecker+Invalid, 14452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 14410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:53,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 10260 Invalid, 14452 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [42 Valid, 14410 Invalid, 0 Unknown, 0 Unchecked, 58.0s Time] [2022-11-03 02:53:53,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2022-11-03 02:53:53,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 400. [2022-11-03 02:53:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 256 states have (on average 1.37890625) internal successors, (353), 261 states have internal predecessors, (353), 103 states have call successors, (103), 42 states have call predecessors, (103), 40 states have return successors, (103), 98 states have call predecessors, (103), 102 states have call successors, (103) [2022-11-03 02:53:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 559 transitions. [2022-11-03 02:53:53,592 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 559 transitions. Word has length 106 [2022-11-03 02:53:53,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:53,593 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 559 transitions. [2022-11-03 02:53:53,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 47 states have (on average 1.148936170212766) internal successors, (54), 44 states have internal predecessors, (54), 22 states have call successors, (23), 15 states have call predecessors, (23), 12 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2022-11-03 02:53:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 559 transitions. [2022-11-03 02:53:53,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-03 02:53:53,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:53,597 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:53,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:53,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:53,807 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:53,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:53,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1628290052, now seen corresponding path program 1 times [2022-11-03 02:53:53,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:53,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725216804] [2022-11-03 02:53:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 02:53:53,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:53,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725216804] [2022-11-03 02:53:53,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725216804] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:53:53,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351272636] [2022-11-03 02:53:53,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:53,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:53:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:53,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:53:54,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3901169-7da0-453c-9404-f63eaca7cc04/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:53:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:54,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:53:54,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:53:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 02:53:54,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:53:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 02:53:54,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351272636] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:53:54,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [243530650] [2022-11-03 02:53:54,438 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2022-11-03 02:53:54,438 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:53:54,439 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:53:54,439 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:53:54,440 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:54:18,779 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 439 for LOIs [2022-11-03 02:54:19,092 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 258 for LOIs [2022-11-03 02:54:20,799 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 234 for LOIs [2022-11-03 02:54:20,841 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-03 02:54:21,144 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 258 for LOIs [2022-11-03 02:54:24,268 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 260 for LOIs [2022-11-03 02:54:45,698 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 435 for LOIs [2022-11-03 02:54:47,949 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 455 for LOIs [2022-11-03 02:54:48,611 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 243 for LOIs [2022-11-03 02:54:48,681 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 437 for LOIs [2022-11-03 02:54:49,402 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 481 for LOIs [2022-11-03 02:54:51,367 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 245 for LOIs [2022-11-03 02:54:51,412 INFO L197 IcfgInterpreter]: Interpreting procedure isVerified with input of size 245 for LOIs [2022-11-03 02:54:51,452 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 248 for LOIs [2022-11-03 02:54:51,497 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:56:04,467 WARN L234 SmtUtils]: Spent 22.95s on a formula simplification. DAG size of input: 577 DAG size of output: 448 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:56:17,109 WARN L234 SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 579 DAG size of output: 329 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:56:40,109 WARN L234 SmtUtils]: Spent 14.40s on a formula simplification. DAG size of input: 476 DAG size of output: 364 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:57:07,399 WARN L234 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 455 DAG size of output: 260 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:57:17,634 WARN L234 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 481 DAG size of output: 276 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:57:46,415 WARN L234 SmtUtils]: Spent 13.09s on a formula simplification. DAG size of input: 437 DAG size of output: 341 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:58:03,260 WARN L234 SmtUtils]: Spent 13.66s on a formula simplification. DAG size of input: 456 DAG size of output: 349 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:58:09,959 WARN L234 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 461 DAG size of output: 348 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)