./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur --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 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f --- 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-38b53e6 [2022-11-26 00:30:22,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:30:22,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:30:22,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:30:22,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:30:22,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:30:22,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:30:22,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:30:22,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:30:22,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:30:22,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:30:22,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:30:22,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:30:22,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:30:22,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:30:22,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:30:22,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:30:22,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:30:22,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:30:22,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:30:22,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:30:22,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:30:22,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:30:22,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:30:22,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:30:22,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:30:22,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:30:22,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:30:22,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:30:22,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:30:22,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:30:22,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:30:22,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:30:22,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:30:22,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:30:22,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:30:22,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:30:22,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:30:22,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:30:22,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:30:22,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:30:22,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:30:22,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:30:22,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:30:22,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:30:22,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:30:22,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:30:22,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:30:22,136 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:30:22,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:30:22,136 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:30:22,136 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:30:22,137 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:30:22,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:30:22,137 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:30:22,137 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:30:22,137 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:30:22,138 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:30:22,138 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:30:22,138 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:30:22,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:30:22,139 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:30:22,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:30:22,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:30:22,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:30:22,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:30:22,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:30:22,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:30:22,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:30:22,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:30:22,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:30:22,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:30:22,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:30:22,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:30:22,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:30:22,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:30:22,142 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:30:22,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:30:22,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:30:22,143 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:30:22,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:30:22,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:30:22,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:30:22,143 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_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f [2022-11-26 00:30:22,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:30:22,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:30:22,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:30:22,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:30:22,505 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:30:22,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2022-11-26 00:30:25,687 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:30:26,010 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:30:26,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2022-11-26 00:30:26,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/data/417f3e2ff/3d9d391606574ba1b91ed55f0802b59c/FLAGfe368edaf [2022-11-26 00:30:26,055 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/data/417f3e2ff/3d9d391606574ba1b91ed55f0802b59c [2022-11-26 00:30:26,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:30:26,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:30:26,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:30:26,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:30:26,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:30:26,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:30:26" (1/1) ... [2022-11-26 00:30:26,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f48bbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:26, skipping insertion in model container [2022-11-26 00:30:26,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:30:26" (1/1) ... [2022-11-26 00:30:26,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:30:26,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:30:26,567 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,579 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,583 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,591 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,617 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,620 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,629 WARN L237 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_2b8f63e7-853b-4c70-ae37-2769048cb527/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2022-11-26 00:30:26,724 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,732 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,740 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,803 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:30:26,849 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:30:26,910 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,911 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,912 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,913 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,940 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,941 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,943 WARN L237 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_2b8f63e7-853b-4c70-ae37-2769048cb527/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2022-11-26 00:30:26,949 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,950 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,952 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:26,997 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:30:27,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:30:27,065 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:30:27,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27 WrapperNode [2022-11-26 00:30:27,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:30:27,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:30:27,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:30:27,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:30:27,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,227 INFO L138 Inliner]: procedures = 133, calls = 227, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1125 [2022-11-26 00:30:27,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:30:27,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:30:27,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:30:27,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:30:27,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:30:27,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:30:27,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:30:27,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:30:27,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (1/1) ... [2022-11-26 00:30:27,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:30:27,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:30:27,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:30:27,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:30:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-26 00:30:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-26 00:30:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-26 00:30:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-26 00:30:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-26 00:30:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-26 00:30:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-11-26 00:30:27,411 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-11-26 00:30:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-26 00:30:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-26 00:30:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-26 00:30:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-26 00:30:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-26 00:30:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-26 00:30:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-26 00:30:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-26 00:30:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-26 00:30:27,413 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-26 00:30:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-26 00:30:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-26 00:30:27,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-26 00:30:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-26 00:30:27,413 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-26 00:30:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-26 00:30:27,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-26 00:30:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:30:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-26 00:30:27,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-26 00:30:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-26 00:30:27,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-26 00:30:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-26 00:30:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-26 00:30:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-26 00:30:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-26 00:30:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-26 00:30:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-26 00:30:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-26 00:30:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-26 00:30:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-26 00:30:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-26 00:30:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-26 00:30:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-26 00:30:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:30:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-26 00:30:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-26 00:30:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-26 00:30:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-26 00:30:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:30:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:30:27,708 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:30:27,725 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:30:28,740 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:30:29,339 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:30:29,339 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:30:29,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:30:29 BoogieIcfgContainer [2022-11-26 00:30:29,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:30:29,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:30:29,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:30:29,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:30:29,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:30:26" (1/3) ... [2022-11-26 00:30:29,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e819527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:30:29, skipping insertion in model container [2022-11-26 00:30:29,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:30:27" (2/3) ... [2022-11-26 00:30:29,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e819527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:30:29, skipping insertion in model container [2022-11-26 00:30:29,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:30:29" (3/3) ... [2022-11-26 00:30:29,358 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2022-11-26 00:30:29,377 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:30:29,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:30:29,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:30:29,456 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;@4180c370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:30:29,456 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:30:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 109 states have (on average 1.311926605504587) internal successors, (143), 112 states have internal predecessors, (143), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-26 00:30:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:30:29,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:30:29,481 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-26 00:30:29,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:30:29,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:30:29,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1302163263, now seen corresponding path program 1 times [2022-11-26 00:30:29,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:30:29,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742193937] [2022-11-26 00:30:29,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:30:29,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:30:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:30:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:30:29,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:30:29,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742193937] [2022-11-26 00:30:29,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742193937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:30:29,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:30:29,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:30:29,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558419944] [2022-11-26 00:30:29,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:30:29,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:30:29,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:30:29,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:30:29,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:30:29,962 INFO L87 Difference]: Start difference. First operand has 191 states, 109 states have (on average 1.311926605504587) internal successors, (143), 112 states have internal predecessors, (143), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:30:30,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:30:30,167 INFO L93 Difference]: Finished difference Result 290 states and 389 transitions. [2022-11-26 00:30:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:30:30,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-26 00:30:30,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:30:30,184 INFO L225 Difference]: With dead ends: 290 [2022-11-26 00:30:30,185 INFO L226 Difference]: Without dead ends: 188 [2022-11-26 00:30:30,189 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 [2022-11-26 00:30:30,193 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:30:30,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:30:30,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-11-26 00:30:30,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2022-11-26 00:30:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 107 states have (on average 1.280373831775701) internal successors, (137), 109 states have internal predecessors, (137), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2022-11-26 00:30:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 252 transitions. [2022-11-26 00:30:30,257 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 252 transitions. Word has length 67 [2022-11-26 00:30:30,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:30:30,258 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 252 transitions. [2022-11-26 00:30:30,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:30:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 252 transitions. [2022-11-26 00:30:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-26 00:30:30,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:30:30,265 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-26 00:30:30,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:30:30,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:30:30,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:30:30,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1687111893, now seen corresponding path program 1 times [2022-11-26 00:30:30,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:30:30,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790098006] [2022-11-26 00:30:30,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:30:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:30:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:30:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:30:30,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:30:30,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790098006] [2022-11-26 00:30:30,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790098006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:30:30,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:30:30,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:30:30,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914564539] [2022-11-26 00:30:30,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:30:30,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:30:30,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:30:30,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:30:30,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:30:30,581 INFO L87 Difference]: Start difference. First operand 188 states and 252 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:30:30,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:30:30,793 INFO L93 Difference]: Finished difference Result 286 states and 374 transitions. [2022-11-26 00:30:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:30:30,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-11-26 00:30:30,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:30:30,801 INFO L225 Difference]: With dead ends: 286 [2022-11-26 00:30:30,801 INFO L226 Difference]: Without dead ends: 190 [2022-11-26 00:30:30,810 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 [2022-11-26 00:30:30,813 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:30:30,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 425 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:30:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-11-26 00:30:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2022-11-26 00:30:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 109 states have (on average 1.275229357798165) internal successors, (139), 111 states have internal predecessors, (139), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2022-11-26 00:30:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 254 transitions. [2022-11-26 00:30:30,857 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 254 transitions. Word has length 68 [2022-11-26 00:30:30,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:30:30,858 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 254 transitions. [2022-11-26 00:30:30,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:30:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 254 transitions. [2022-11-26 00:30:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-26 00:30:30,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:30:30,866 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-26 00:30:30,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:30:30,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:30:30,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:30:30,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1635167115, now seen corresponding path program 1 times [2022-11-26 00:30:30,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:30:30,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708211981] [2022-11-26 00:30:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:30:30,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:30:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:30:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:30:31,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:30:31,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708211981] [2022-11-26 00:30:31,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708211981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:30:31,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:30:31,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:30:31,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276018259] [2022-11-26 00:30:31,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:30:31,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:30:31,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:30:31,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:30:31,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:30:31,100 INFO L87 Difference]: Start difference. First operand 190 states and 254 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:30:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:30:31,287 INFO L93 Difference]: Finished difference Result 415 states and 575 transitions. [2022-11-26 00:30:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:30:31,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 73 [2022-11-26 00:30:31,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:30:31,292 INFO L225 Difference]: With dead ends: 415 [2022-11-26 00:30:31,293 INFO L226 Difference]: Without dead ends: 243 [2022-11-26 00:30:31,296 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 [2022-11-26 00:30:31,301 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 59 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:30:31,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 435 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:30:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-11-26 00:30:31,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 238. [2022-11-26 00:30:31,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 143 states have (on average 1.3566433566433567) internal successors, (194), 145 states have internal predecessors, (194), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2022-11-26 00:30:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 337 transitions. [2022-11-26 00:30:31,347 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 337 transitions. Word has length 73 [2022-11-26 00:30:31,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:30:31,349 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 337 transitions. [2022-11-26 00:30:31,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:30:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 337 transitions. [2022-11-26 00:30:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-26 00:30:31,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:30:31,355 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-26 00:30:31,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:30:31,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:30:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:30:31,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1665878613, now seen corresponding path program 1 times [2022-11-26 00:30:31,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:30:31,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437731679] [2022-11-26 00:30:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:30:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:30:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:30:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:30:31,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:30:31,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437731679] [2022-11-26 00:30:31,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437731679] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:30:31,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233798720] [2022-11-26 00:30:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:30:31,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:30:31,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:30:31,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:30:31,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:30:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:30:32,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:30:32,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:30:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:30:32,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:30:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:30:32,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233798720] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:30:32,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2029907945] [2022-11-26 00:30:32,182 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-26 00:30:32,182 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:30:32,187 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:30:32,193 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:30:32,193 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:31:15,585 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 439 for LOIs [2022-11-26 00:31:15,893 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-26 00:31:16,215 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:31:56,412 WARN L233 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 486 DAG size of output: 335 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:08,003 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 508 DAG size of output: 295 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:20,184 WARN L233 SmtUtils]: Spent 11.84s on a formula simplification. DAG size of input: 589 DAG size of output: 344 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:32,445 WARN L233 SmtUtils]: Spent 11.92s on a formula simplification. DAG size of input: 591 DAG size of output: 344 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:32:53,104 WARN L233 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 590 DAG size of output: 464 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:13,611 WARN L233 SmtUtils]: Spent 20.11s on a formula simplification. DAG size of input: 588 DAG size of output: 462 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:19,649 WARN L233 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 545 DAG size of output: 345 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:19,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2029907945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:33:19,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:33:19,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 4, 4] total 26 [2022-11-26 00:33:19,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676471474] [2022-11-26 00:33:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:33:19,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-26 00:33:19,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:33:19,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-26 00:33:19,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:33:19,664 INFO L87 Difference]: Start difference. First operand 238 states and 337 transitions. Second operand has 21 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-26 00:33:37,194 WARN L233 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 592 DAG size of output: 415 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:47,144 WARN L233 SmtUtils]: Spent 9.60s on a formula simplification. DAG size of input: 559 DAG size of output: 415 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:33:54,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:33:54,014 INFO L93 Difference]: Finished difference Result 527 states and 781 transitions. [2022-11-26 00:33:54,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-26 00:33:54,019 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 74 [2022-11-26 00:33:54,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:33:54,022 INFO L225 Difference]: With dead ends: 527 [2022-11-26 00:33:54,022 INFO L226 Difference]: Without dead ends: 307 [2022-11-26 00:33:54,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 149.3s TimeCoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:33:54,024 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 150 mSDsluCounter, 2744 mSDsCounter, 0 mSdLazyCounter, 1693 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:33:54,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 2957 Invalid, 1712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1693 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 00:33:54,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-11-26 00:33:54,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 266. [2022-11-26 00:33:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 170 states have (on average 1.3705882352941177) internal successors, (233), 172 states have internal predecessors, (233), 72 states have call successors, (72), 23 states have call predecessors, (72), 23 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2022-11-26 00:33:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 376 transitions. [2022-11-26 00:33:54,194 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 376 transitions. Word has length 74 [2022-11-26 00:33:54,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:33:54,195 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 376 transitions. [2022-11-26 00:33:54,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 7 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-26 00:33:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2022-11-26 00:33:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-26 00:33:54,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:33:54,197 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 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] [2022-11-26 00:33:54,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:33:54,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:54,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:33:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:33:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1311921407, now seen corresponding path program 1 times [2022-11-26 00:33:54,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:33:54,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28268297] [2022-11-26 00:33:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:33:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:33:54,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:33:54,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28268297] [2022-11-26 00:33:54,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28268297] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:33:54,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034317075] [2022-11-26 00:33:54,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:54,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:54,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:33:54,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:33:54,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:33:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:54,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:33:54,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:33:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:33:54,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:33:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:33:55,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034317075] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:33:55,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2107372348] [2022-11-26 00:33:55,048 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2022-11-26 00:33:55,049 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:33:55,049 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:33:55,049 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:33:55,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:34:42,440 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 440 for LOIs [2022-11-26 00:34:42,747 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 450 for LOIs [2022-11-26 00:34:43,119 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:35:11,919 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 473 DAG size of output: 265 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:35:28,703 WARN L233 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 486 DAG size of output: 335 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:35:40,353 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 508 DAG size of output: 295 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:35:59,198 WARN L233 SmtUtils]: Spent 18.53s on a formula simplification. DAG size of input: 579 DAG size of output: 448 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:36:15,604 WARN L233 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 547 DAG size of output: 347 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:36:21,719 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 549 DAG size of output: 349 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:36:32,880 WARN L233 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 580 DAG size of output: 438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:36:33,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2107372348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:36:33,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:36:33,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-26 00:36:33,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005598199] [2022-11-26 00:36:33,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:36:33,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-26 00:36:33,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:36:33,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-26 00:36:33,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=761, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:36:33,090 INFO L87 Difference]: Start difference. First operand 266 states and 376 transitions. Second operand has 25 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2022-11-26 00:36:49,378 WARN L233 SmtUtils]: Spent 14.81s on a formula simplification. DAG size of input: 541 DAG size of output: 414 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:37:15,244 WARN L233 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 566 DAG size of output: 395 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:37:24,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:24,421 INFO L93 Difference]: Finished difference Result 570 states and 839 transitions. [2022-11-26 00:37:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-26 00:37:24,422 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 80 [2022-11-26 00:37:24,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:24,424 INFO L225 Difference]: With dead ends: 570 [2022-11-26 00:37:24,425 INFO L226 Difference]: Without dead ends: 350 [2022-11-26 00:37:24,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 212 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 152.1s TimeCoverageRelationStatistics Valid=181, Invalid=1225, Unknown=0, NotChecked=0, Total=1406 [2022-11-26 00:37:24,427 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 161 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 2001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:24,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 3088 Invalid, 2001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-26 00:37:24,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-11-26 00:37:24,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 280. [2022-11-26 00:37:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 182 states have (on average 1.3736263736263736) internal successors, (250), 184 states have internal predecessors, (250), 73 states have call successors, (73), 24 states have call predecessors, (73), 24 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2022-11-26 00:37:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 395 transitions. [2022-11-26 00:37:24,578 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 395 transitions. Word has length 80 [2022-11-26 00:37:24,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:24,578 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 395 transitions. [2022-11-26 00:37:24,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 8 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2022-11-26 00:37:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 395 transitions. [2022-11-26 00:37:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-26 00:37:24,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:24,581 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-26 00:37:24,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:37:24,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:24,788 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:24,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:24,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1657192171, now seen corresponding path program 1 times [2022-11-26 00:37:24,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:24,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731847483] [2022-11-26 00:37:24,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:37:24,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:24,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731847483] [2022-11-26 00:37:24,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731847483] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:37:24,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902161474] [2022-11-26 00:37:24,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:24,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:24,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:24,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:25,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:37:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:25,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:37:25,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:37:25,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:37:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:37:25,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902161474] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:37:25,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1045989689] [2022-11-26 00:37:25,429 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2022-11-26 00:37:25,430 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:37:25,430 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:37:25,430 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:37:25,431 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:38:13,624 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 440 for LOIs [2022-11-26 00:38:13,923 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 234 for LOIs [2022-11-26 00:38:13,994 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 452 for LOIs [2022-11-26 00:38:14,379 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 449 for LOIs [2022-11-26 00:38:14,793 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-26 00:38:15,136 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:38:57,987 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 486 DAG size of output: 335 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:39:09,731 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 508 DAG size of output: 295 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:39:28,050 WARN L233 SmtUtils]: Spent 17.97s on a formula simplification. DAG size of input: 619 DAG size of output: 502 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:39:53,219 WARN L233 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 560 DAG size of output: 415 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:40:04,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1045989689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:40:04,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:40:04,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 35 [2022-11-26 00:40:04,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967100237] [2022-11-26 00:40:04,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:40:04,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-26 00:40:04,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:40:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-26 00:40:04,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1080, Unknown=0, NotChecked=0, Total=1190 [2022-11-26 00:40:04,920 INFO L87 Difference]: Start difference. First operand 280 states and 395 transitions. Second operand has 30 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2022-11-26 00:40:15,486 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification. DAG size of input: 594 DAG size of output: 421 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:40:31,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:40:31,472 INFO L93 Difference]: Finished difference Result 592 states and 871 transitions. [2022-11-26 00:40:31,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-26 00:40:31,473 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 83 [2022-11-26 00:40:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:40:31,476 INFO L225 Difference]: With dead ends: 592 [2022-11-26 00:40:31,476 INFO L226 Difference]: Without dead ends: 372 [2022-11-26 00:40:31,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 216 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 121.6s TimeCoverageRelationStatistics Valid=128, Invalid=1204, Unknown=0, NotChecked=0, Total=1332 [2022-11-26 00:40:31,478 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 123 mSDsluCounter, 3338 mSDsCounter, 0 mSdLazyCounter, 3153 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 3549 SdHoareTripleChecker+Invalid, 3163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:40:31,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 3549 Invalid, 3163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3153 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2022-11-26 00:40:31,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-26 00:40:31,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 316. [2022-11-26 00:40:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 212 states have (on average 1.3773584905660377) internal successors, (292), 214 states have internal predecessors, (292), 76 states have call successors, (76), 27 states have call predecessors, (76), 27 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-26 00:40:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 443 transitions. [2022-11-26 00:40:31,681 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 443 transitions. Word has length 83 [2022-11-26 00:40:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:40:31,682 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 443 transitions. [2022-11-26 00:40:31,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 10 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2022-11-26 00:40:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 443 transitions. [2022-11-26 00:40:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-26 00:40:31,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:31,684 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-26 00:40:31,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:40:31,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:40:31,895 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:40:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash 316820286, now seen corresponding path program 1 times [2022-11-26 00:40:31,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:40:31,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709213543] [2022-11-26 00:40:31,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:31,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:40:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:40:32,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:40:32,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709213543] [2022-11-26 00:40:32,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709213543] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:40:32,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643750555] [2022-11-26 00:40:32,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:32,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:40:32,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:40:32,027 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:40:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8f63e7-853b-4c70-ae37-2769048cb527/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:40:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:32,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:40:32,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:40:32,390 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:40:32,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:40:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:40:32,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643750555] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:40:32,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1296141558] [2022-11-26 00:40:32,456 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2022-11-26 00:40:32,457 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:40:32,457 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:40:32,457 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:40:32,458 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:41:27,548 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-26 00:41:27,858 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-11-26 00:41:28,164 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 259 for LOIs [2022-11-26 00:41:29,786 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 237 for LOIs [2022-11-26 00:41:29,826 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 261 for LOIs [2022-11-26 00:41:33,175 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 269 for LOIs [2022-11-26 00:41:36,120 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 251 for LOIs [2022-11-26 00:41:36,153 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 251 for LOIs [2022-11-26 00:41:36,195 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 482 for LOIs [2022-11-26 00:41:39,644 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 242 for LOIs [2022-11-26 00:41:39,689 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:41:57,895 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 467 DAG size of output: 264 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:22,611 WARN L233 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 486 DAG size of output: 335 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:34,122 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 508 DAG size of output: 295 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:50,882 WARN L233 SmtUtils]: Spent 11.20s on a formula simplification. DAG size of input: 579 DAG size of output: 444 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:42:59,454 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 575 DAG size of output: 321 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:43:07,875 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 574 DAG size of output: 331 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:43:13,467 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 570 DAG size of output: 327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:43:45,248 WARN L233 SmtUtils]: Spent 13.09s on a formula simplification. DAG size of input: 477 DAG size of output: 368 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)