./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh --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 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde --- 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-2329fc7 [2022-12-14 08:31:07,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:31:07,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:31:07,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:31:07,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:31:07,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:31:07,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:31:07,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:31:07,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:31:07,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:31:07,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:31:07,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:31:07,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:31:07,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:31:07,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:31:07,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:31:07,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:31:07,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:31:07,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:31:07,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:31:07,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:31:07,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:31:07,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:31:07,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:31:07,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:31:07,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:31:07,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:31:07,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:31:07,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:31:07,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:31:07,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:31:07,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:31:07,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:31:07,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:31:07,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:31:07,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:31:07,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:31:07,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:31:07,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:31:07,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:31:07,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:31:07,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 08:31:07,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:31:07,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:31:07,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:31:07,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:31:07,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:31:07,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:31:07,228 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:31:07,229 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:31:07,229 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:31:07,229 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:31:07,229 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:31:07,229 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:31:07,229 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:31:07,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:31:07,230 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:31:07,230 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:31:07,230 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:31:07,230 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:31:07,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:31:07,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:31:07,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:31:07,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:31:07,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:31:07,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:31:07,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:31:07,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:31:07,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:31:07,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:31:07,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:31:07,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:31:07,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:31:07,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:31:07,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:31:07,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:31:07,234 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:31:07,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:31:07,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:31:07,234 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:31:07,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:31:07,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:31:07,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:31:07,235 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_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde [2022-12-14 08:31:07,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:31:07,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:31:07,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:31:07,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:31:07,458 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:31:07,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2022-12-14 08:31:10,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:31:10,373 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:31:10,374 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2022-12-14 08:31:10,388 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/data/1fa79f1e4/2679273369e34690a6b4c265beb24389/FLAGdc6e07602 [2022-12-14 08:31:10,401 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/data/1fa79f1e4/2679273369e34690a6b4c265beb24389 [2022-12-14 08:31:10,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:31:10,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:31:10,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:31:10,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:31:10,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:31:10,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:10,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b6cdfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10, skipping insertion in model container [2022-12-14 08:31:10,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:10,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:31:10,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:31:10,622 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,632 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,633 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,635 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,645 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,656 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_05afb5bc-027b-4252-b3c5-26a6309d0c5b/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c[8804,8817] [2022-12-14 08:31:10,748 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,749 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,751 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:31:10,813 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:31:10,823 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,824 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,825 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,826 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,829 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,831 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_05afb5bc-027b-4252-b3c5-26a6309d0c5b/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c[8804,8817] [2022-12-14 08:31:10,856 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,857 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,859 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:31:10,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:31:10,916 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:31:10,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10 WrapperNode [2022-12-14 08:31:10,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:31:10,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:31:10,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:31:10,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:31:10,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:10,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:10,991 INFO L138 Inliner]: procedures = 130, calls = 215, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1068 [2022-12-14 08:31:10,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:31:10,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:31:10,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:31:10,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:31:11,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:31:11,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:31:11,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:31:11,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:31:11,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (1/1) ... [2022-12-14 08:31:11,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:31:11,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:31:11,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:31:11,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:31:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-12-14 08:31:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-12-14 08:31:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-12-14 08:31:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-12-14 08:31:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2022-12-14 08:31:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2022-12-14 08:31:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-12-14 08:31:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-12-14 08:31:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-12-14 08:31:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-12-14 08:31:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-12-14 08:31:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-12-14 08:31:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-12-14 08:31:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-12-14 08:31:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-12-14 08:31:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-12-14 08:31:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-12-14 08:31:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-12-14 08:31:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-12-14 08:31:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-12-14 08:31:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-12-14 08:31:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-12-14 08:31:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-12-14 08:31:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:31:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-12-14 08:31:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-12-14 08:31:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-12-14 08:31:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-12-14 08:31:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-12-14 08:31:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-12-14 08:31:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-12-14 08:31:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-12-14 08:31:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-12-14 08:31:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-12-14 08:31:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-12-14 08:31:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-12-14 08:31:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-12-14 08:31:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-12-14 08:31:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-12-14 08:31:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-12-14 08:31:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:31:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-12-14 08:31:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-12-14 08:31:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-12-14 08:31:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-12-14 08:31:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:31:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:31:11,267 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:31:11,269 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:31:11,850 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:31:12,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:31:12,207 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 08:31:12,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:31:12 BoogieIcfgContainer [2022-12-14 08:31:12,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:31:12,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:31:12,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:31:12,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:31:12,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:31:10" (1/3) ... [2022-12-14 08:31:12,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bab808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:31:12, skipping insertion in model container [2022-12-14 08:31:12,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:10" (2/3) ... [2022-12-14 08:31:12,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bab808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:31:12, skipping insertion in model container [2022-12-14 08:31:12,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:31:12" (3/3) ... [2022-12-14 08:31:12,217 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2022-12-14 08:31:12,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:31:12,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:31:12,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:31:12,284 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;@111361e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:31:12,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:31:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 103 states have (on average 1.3203883495145632) internal successors, (136), 106 states have internal predecessors, (136), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2022-12-14 08:31:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 08:31:12,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:31:12,299 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 08:31:12,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:31:12,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:31:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash -33321636, now seen corresponding path program 1 times [2022-12-14 08:31:12,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:31:12,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340820787] [2022-12-14 08:31:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:31:12,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:31:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:31:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:31:12,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:31:12,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340820787] [2022-12-14 08:31:12,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340820787] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:31:12,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:31:12,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:31:12,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754095378] [2022-12-14 08:31:12,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:31:12,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:31:12,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:31:12,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:31:12,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:31:12,610 INFO L87 Difference]: Start difference. First operand has 180 states, 103 states have (on average 1.3203883495145632) internal successors, (136), 106 states have internal predecessors, (136), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:31:12,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:31:12,725 INFO L93 Difference]: Finished difference Result 268 states and 359 transitions. [2022-12-14 08:31:12,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:31:12,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 60 [2022-12-14 08:31:12,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:31:12,738 INFO L225 Difference]: With dead ends: 268 [2022-12-14 08:31:12,738 INFO L226 Difference]: Without dead ends: 177 [2022-12-14 08:31:12,742 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 [2022-12-14 08:31:12,745 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:31:12,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:31:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-12-14 08:31:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-12-14 08:31:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 103 states have internal predecessors, (130), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-12-14 08:31:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 237 transitions. [2022-12-14 08:31:12,790 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 237 transitions. Word has length 60 [2022-12-14 08:31:12,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:31:12,792 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 237 transitions. [2022-12-14 08:31:12,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:31:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 237 transitions. [2022-12-14 08:31:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 08:31:12,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:31:12,795 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 08:31:12,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:31:12,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:31:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:31:12,796 INFO L85 PathProgramCache]: Analyzing trace with hash -162329701, now seen corresponding path program 1 times [2022-12-14 08:31:12,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:31:12,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378215937] [2022-12-14 08:31:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:31:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:31:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:31:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:31:12,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:31:12,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378215937] [2022-12-14 08:31:12,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378215937] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:31:12,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:31:12,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:31:12,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807859564] [2022-12-14 08:31:12,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:31:12,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:31:12,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:31:12,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:31:12,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:31:12,969 INFO L87 Difference]: Start difference. First operand 177 states and 237 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:31:13,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:31:13,079 INFO L93 Difference]: Finished difference Result 264 states and 344 transitions. [2022-12-14 08:31:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:31:13,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2022-12-14 08:31:13,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:31:13,082 INFO L225 Difference]: With dead ends: 264 [2022-12-14 08:31:13,082 INFO L226 Difference]: Without dead ends: 179 [2022-12-14 08:31:13,083 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 [2022-12-14 08:31:13,084 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:31:13,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 401 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:31:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-12-14 08:31:13,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-12-14 08:31:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 103 states have (on average 1.2815533980582525) internal successors, (132), 105 states have internal predecessors, (132), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-12-14 08:31:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 239 transitions. [2022-12-14 08:31:13,102 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 239 transitions. Word has length 61 [2022-12-14 08:31:13,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:31:13,103 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 239 transitions. [2022-12-14 08:31:13,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:31:13,103 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 239 transitions. [2022-12-14 08:31:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 08:31:13,105 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:31:13,105 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] [2022-12-14 08:31:13,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:31:13,106 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:31:13,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:31:13,106 INFO L85 PathProgramCache]: Analyzing trace with hash -910146641, now seen corresponding path program 1 times [2022-12-14 08:31:13,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:31:13,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089686623] [2022-12-14 08:31:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:31:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:31:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:31:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:31:13,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:31:13,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089686623] [2022-12-14 08:31:13,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089686623] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:31:13,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:31:13,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:31:13,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222622365] [2022-12-14 08:31:13,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:31:13,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:31:13,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:31:13,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:31:13,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:31:13,214 INFO L87 Difference]: Start difference. First operand 179 states and 239 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:31:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:31:13,316 INFO L93 Difference]: Finished difference Result 393 states and 545 transitions. [2022-12-14 08:31:13,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:31:13,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2022-12-14 08:31:13,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:31:13,319 INFO L225 Difference]: With dead ends: 393 [2022-12-14 08:31:13,319 INFO L226 Difference]: Without dead ends: 232 [2022-12-14 08:31:13,320 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 [2022-12-14 08:31:13,321 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 59 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:31:13,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 416 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:31:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-12-14 08:31:13,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 227. [2022-12-14 08:31:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 137 states have (on average 1.364963503649635) internal successors, (187), 139 states have internal predecessors, (187), 68 states have call successors, (68), 21 states have call predecessors, (68), 21 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-12-14 08:31:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 322 transitions. [2022-12-14 08:31:13,344 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 322 transitions. Word has length 66 [2022-12-14 08:31:13,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:31:13,344 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 322 transitions. [2022-12-14 08:31:13,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:31:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 322 transitions. [2022-12-14 08:31:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 08:31:13,347 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:31:13,347 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] [2022-12-14 08:31:13,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:31:13,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:31:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:31:13,348 INFO L85 PathProgramCache]: Analyzing trace with hash -145911681, now seen corresponding path program 1 times [2022-12-14 08:31:13,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:31:13,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473180017] [2022-12-14 08:31:13,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:31:13,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:31:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:31:13,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:31:13,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:31:13,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473180017] [2022-12-14 08:31:13,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473180017] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:31:13,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825352947] [2022-12-14 08:31:13,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:31:13,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:31:13,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:31:13,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:31:13,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:31:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:31:13,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:31:13,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:31:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:31:13,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:31:13,842 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:31:13,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825352947] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:31:13,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1109839896] [2022-12-14 08:31:13,859 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2022-12-14 08:31:13,860 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:31:13,864 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:31:13,869 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:31:13,869 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:31:39,214 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 440 for LOIs [2022-12-14 08:31:39,522 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-12-14 08:31:39,826 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:32:16,811 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 581 DAG size of output: 332 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:32:23,107 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 583 DAG size of output: 332 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:32:28,559 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 582 DAG size of output: 333 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:32:35,548 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 580 DAG size of output: 331 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:32:38,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1109839896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:32:38,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:32:38,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 4, 4] total 26 [2022-12-14 08:32:38,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716043342] [2022-12-14 08:32:38,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:32:38,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 08:32:38,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:32:38,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 08:32:38,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2022-12-14 08:32:38,395 INFO L87 Difference]: Start difference. First operand 227 states and 322 transitions. Second operand has 21 states, 16 states have (on average 2.125) internal successors, (34), 15 states have internal predecessors, (34), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2022-12-14 08:32:43,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:32:43,972 INFO L93 Difference]: Finished difference Result 501 states and 744 transitions. [2022-12-14 08:32:43,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 08:32:43,973 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 16 states have (on average 2.125) internal successors, (34), 15 states have internal predecessors, (34), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 67 [2022-12-14 08:32:43,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:32:43,974 INFO L225 Difference]: With dead ends: 501 [2022-12-14 08:32:43,974 INFO L226 Difference]: Without dead ends: 292 [2022-12-14 08:32:43,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 58.5s TimeCoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2022-12-14 08:32:43,975 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 115 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:32:43,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 2897 Invalid, 1820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1811 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 08:32:43,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-12-14 08:32:44,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 250. [2022-12-14 08:32:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 159 states have (on average 1.3836477987421383) internal successors, (220), 161 states have internal predecessors, (220), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-12-14 08:32:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 355 transitions. [2022-12-14 08:32:44,041 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 355 transitions. Word has length 67 [2022-12-14 08:32:44,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:32:44,041 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 355 transitions. [2022-12-14 08:32:44,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 16 states have (on average 2.125) internal successors, (34), 15 states have internal predecessors, (34), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2022-12-14 08:32:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 355 transitions. [2022-12-14 08:32:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 08:32:44,043 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:32:44,043 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1] [2022-12-14 08:32:44,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:32:44,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:32:44,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:32:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:32:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1891281550, now seen corresponding path program 1 times [2022-12-14 08:32:44,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:32:44,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241462] [2022-12-14 08:32:44,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:32:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:32:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:32:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 08:32:44,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:32:44,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241462] [2022-12-14 08:32:44,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:32:44,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:32:44,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:32:44,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429372791] [2022-12-14 08:32:44,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:32:44,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:32:44,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:32:44,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:32:44,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:32:44,336 INFO L87 Difference]: Start difference. First operand 250 states and 355 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-12-14 08:32:44,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:32:44,562 INFO L93 Difference]: Finished difference Result 603 states and 890 transitions. [2022-12-14 08:32:44,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:32:44,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 72 [2022-12-14 08:32:44,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:32:44,566 INFO L225 Difference]: With dead ends: 603 [2022-12-14 08:32:44,566 INFO L226 Difference]: Without dead ends: 377 [2022-12-14 08:32:44,567 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 [2022-12-14 08:32:44,568 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 57 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:32:44,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 423 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:32:44,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-12-14 08:32:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 372. [2022-12-14 08:32:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 250 states have (on average 1.44) internal successors, (360), 252 states have internal predecessors, (360), 99 states have call successors, (99), 22 states have call predecessors, (99), 22 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2022-12-14 08:32:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 557 transitions. [2022-12-14 08:32:44,661 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 557 transitions. Word has length 72 [2022-12-14 08:32:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:32:44,661 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 557 transitions. [2022-12-14 08:32:44,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-12-14 08:32:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 557 transitions. [2022-12-14 08:32:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 08:32:44,663 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:32:44,663 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1] [2022-12-14 08:32:44,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:32:44,663 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:32:44,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:32:44,664 INFO L85 PathProgramCache]: Analyzing trace with hash 553454495, now seen corresponding path program 1 times [2022-12-14 08:32:44,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:32:44,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428303187] [2022-12-14 08:32:44,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:32:44,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:32:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:32:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 08:32:44,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:32:44,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428303187] [2022-12-14 08:32:44,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428303187] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:32:44,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971903542] [2022-12-14 08:32:44,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:32:44,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:32:44,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:32:44,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:32:44,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:32:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:32:44,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:32:44,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:32:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 08:32:44,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:32:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 08:32:45,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971903542] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:32:45,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1928905424] [2022-12-14 08:32:45,028 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 08:32:45,028 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:32:45,028 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:32:45,029 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:32:45,029 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:33:35,030 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 439 for LOIs [2022-12-14 08:33:35,508 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 450 for LOIs [2022-12-14 08:33:35,821 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:34:18,453 WARN L233 SmtUtils]: Spent 11.25s on a formula simplification. DAG size of input: 593 DAG size of output: 459 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:34:31,099 WARN L233 SmtUtils]: Spent 12.36s on a formula simplification. DAG size of input: 595 DAG size of output: 459 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:34:58,896 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 584 DAG size of output: 416 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:34:58,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1928905424] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:58,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:34:58,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-12-14 08:34:58,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747166011] [2022-12-14 08:34:58,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:58,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-14 08:34:58,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:58,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-14 08:34:58,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=761, Unknown=0, NotChecked=0, Total=870 [2022-12-14 08:34:58,902 INFO L87 Difference]: Start difference. First operand 372 states and 557 transitions. Second operand has 25 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2022-12-14 08:35:10,930 WARN L233 SmtUtils]: Spent 10.65s on a formula simplification. DAG size of input: 534 DAG size of output: 445 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:35:21,788 WARN L233 SmtUtils]: Spent 10.66s on a formula simplification. DAG size of input: 534 DAG size of output: 450 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:35:43,553 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 514 DAG size of output: 442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:35:55,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:55,702 INFO L93 Difference]: Finished difference Result 786 states and 1216 transitions. [2022-12-14 08:35:55,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 08:35:55,703 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 73 [2022-12-14 08:35:55,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:55,705 INFO L225 Difference]: With dead ends: 786 [2022-12-14 08:35:55,705 INFO L226 Difference]: Without dead ends: 477 [2022-12-14 08:35:55,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 130.1s TimeCoverageRelationStatistics Valid=181, Invalid=1225, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 08:35:55,707 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 173 mSDsluCounter, 2891 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 3098 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:55,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 3098 Invalid, 2464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 2450 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 08:35:55,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2022-12-14 08:35:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 388. [2022-12-14 08:35:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 262 states have (on average 1.4389312977099236) internal successors, (377), 266 states have internal predecessors, (377), 102 states have call successors, (102), 23 states have call predecessors, (102), 23 states have return successors, (101), 98 states have call predecessors, (101), 101 states have call successors, (101) [2022-12-14 08:35:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 580 transitions. [2022-12-14 08:35:55,862 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 580 transitions. Word has length 73 [2022-12-14 08:35:55,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:55,862 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 580 transitions. [2022-12-14 08:35:55,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 18 states have internal predecessors, (37), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2022-12-14 08:35:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 580 transitions. [2022-12-14 08:35:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 08:35:55,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:55,863 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:55,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 08:35:56,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:35:56,064 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:56,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:56,065 INFO L85 PathProgramCache]: Analyzing trace with hash 41660206, now seen corresponding path program 1 times [2022-12-14 08:35:56,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:35:56,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752443921] [2022-12-14 08:35:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:56,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:35:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:35:56,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:35:56,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752443921] [2022-12-14 08:35:56,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752443921] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:35:56,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952301625] [2022-12-14 08:35:56,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:56,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:35:56,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:35:56,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:35:56,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:35:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:56,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:35:56,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:35:56,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:35:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:35:56,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952301625] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:35:56,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1669944520] [2022-12-14 08:35:56,450 INFO L159 IcfgInterpreter]: Started Sifa with 65 locations of interest [2022-12-14 08:35:56,451 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:35:56,451 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:35:56,451 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:35:56,451 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:36:46,686 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 439 for LOIs [2022-12-14 08:36:46,986 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 240 for LOIs [2022-12-14 08:36:47,054 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 255 for LOIs [2022-12-14 08:36:47,127 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 449 for LOIs [2022-12-14 08:36:47,473 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-12-14 08:36:47,772 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:37:29,242 WARN L233 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 623 DAG size of output: 475 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:37:44,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1669944520] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:37:44,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:37:44,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [4, 4, 4] total 34 [2022-12-14 08:37:44,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533971208] [2022-12-14 08:37:44,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:37:44,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-14 08:37:44,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:37:44,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-14 08:37:44,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1021, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 08:37:44,432 INFO L87 Difference]: Start difference. First operand 388 states and 580 transitions. Second operand has 29 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 17 states have internal predecessors, (37), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2022-12-14 08:38:02,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:38:02,177 INFO L93 Difference]: Finished difference Result 865 states and 1351 transitions. [2022-12-14 08:38:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-14 08:38:02,178 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 17 states have internal predecessors, (37), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 76 [2022-12-14 08:38:02,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:38:02,179 INFO L225 Difference]: With dead ends: 865 [2022-12-14 08:38:02,180 INFO L226 Difference]: Without dead ends: 556 [2022-12-14 08:38:02,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 195 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 62.6s TimeCoverageRelationStatistics Valid=118, Invalid=1142, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 08:38:02,181 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 110 mSDsluCounter, 3763 mSDsCounter, 0 mSdLazyCounter, 3683 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 3983 SdHoareTripleChecker+Invalid, 3693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:38:02,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 3983 Invalid, 3693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3683 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-12-14 08:38:02,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-12-14 08:38:02,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 433. [2022-12-14 08:38:02,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 300 states have (on average 1.44) internal successors, (432), 305 states have internal predecessors, (432), 106 states have call successors, (106), 26 states have call predecessors, (106), 26 states have return successors, (105), 101 states have call predecessors, (105), 105 states have call successors, (105) [2022-12-14 08:38:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 643 transitions. [2022-12-14 08:38:02,448 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 643 transitions. Word has length 76 [2022-12-14 08:38:02,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:38:02,449 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 643 transitions. [2022-12-14 08:38:02,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 17 states have internal predecessors, (37), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2022-12-14 08:38:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 643 transitions. [2022-12-14 08:38:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 08:38:02,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:38:02,451 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:38:02,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:38:02,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:38:02,652 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:38:02,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:38:02,652 INFO L85 PathProgramCache]: Analyzing trace with hash 894483397, now seen corresponding path program 1 times [2022-12-14 08:38:02,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:38:02,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59333382] [2022-12-14 08:38:02,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:38:02,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:38:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:38:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:38:02,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:38:02,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59333382] [2022-12-14 08:38:02,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59333382] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:38:02,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275178205] [2022-12-14 08:38:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:38:02,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:38:02,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:38:02,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:38:02,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:38:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:38:02,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:38:02,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:38:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:38:02,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:38:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 08:38:02,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275178205] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:38:02,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [152981323] [2022-12-14 08:38:02,989 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2022-12-14 08:38:02,990 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:38:02,990 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:38:02,990 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:38:02,990 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:38:45,594 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-12-14 08:38:45,896 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 441 for LOIs [2022-12-14 08:38:46,203 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 259 for LOIs [2022-12-14 08:38:47,835 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 237 for LOIs [2022-12-14 08:38:47,875 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 261 for LOIs [2022-12-14 08:38:51,050 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 242 for LOIs [2022-12-14 08:38:51,092 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 269 for LOIs [2022-12-14 08:38:54,030 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 251 for LOIs [2022-12-14 08:38:54,065 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 251 for LOIs [2022-12-14 08:38:54,107 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 477 for LOIs [2022-12-14 08:38:57,452 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:39:33,455 WARN L233 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 608 DAG size of output: 360 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:39:39,976 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 610 DAG size of output: 362 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:40:10,848 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 572 DAG size of output: 405 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:40:21,870 WARN L233 SmtUtils]: Spent 7.62s 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) [2022-12-14 08:40:54,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [152981323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:40:54,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:40:54,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [4, 4, 4] total 62 [2022-12-14 08:40:54,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691927279] [2022-12-14 08:40:54,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:40:54,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-12-14 08:40:54,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:40:54,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-12-14 08:40:54,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=3606, Unknown=0, NotChecked=0, Total=3782 [2022-12-14 08:40:54,241 INFO L87 Difference]: Start difference. First operand 433 states and 643 transitions. Second operand has 57 states, 40 states have (on average 1.05) internal successors, (42), 37 states have internal predecessors, (42), 15 states have call successors, (15), 10 states have call predecessors, (15), 7 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 08:42:33,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:42:33,317 INFO L93 Difference]: Finished difference Result 903 states and 1386 transitions. [2022-12-14 08:42:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-12-14 08:42:33,318 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 40 states have (on average 1.05) internal successors, (42), 37 states have internal predecessors, (42), 15 states have call successors, (15), 10 states have call predecessors, (15), 7 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 75 [2022-12-14 08:42:33,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:42:33,320 INFO L225 Difference]: With dead ends: 903 [2022-12-14 08:42:33,320 INFO L226 Difference]: Without dead ends: 594 [2022-12-14 08:42:33,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 166 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1525 ImplicationChecksByTransitivity, 192.4s TimeCoverageRelationStatistics Valid=571, Invalid=6911, Unknown=0, NotChecked=0, Total=7482 [2022-12-14 08:42:33,322 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 300 mSDsluCounter, 5024 mSDsCounter, 0 mSdLazyCounter, 7904 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 5233 SdHoareTripleChecker+Invalid, 7935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 7904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:42:33,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 5233 Invalid, 7935 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [31 Valid, 7904 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2022-12-14 08:42:33,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2022-12-14 08:42:33,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 514. [2022-12-14 08:42:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 363 states have (on average 1.4297520661157024) internal successors, (519), 369 states have internal predecessors, (519), 118 states have call successors, (118), 34 states have call predecessors, (118), 32 states have return successors, (118), 110 states have call predecessors, (118), 117 states have call successors, (118) [2022-12-14 08:42:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 755 transitions. [2022-12-14 08:42:33,718 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 755 transitions. Word has length 75 [2022-12-14 08:42:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:42:33,718 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 755 transitions. [2022-12-14 08:42:33,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 40 states have (on average 1.05) internal successors, (42), 37 states have internal predecessors, (42), 15 states have call successors, (15), 10 states have call predecessors, (15), 7 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 08:42:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 755 transitions. [2022-12-14 08:42:33,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 08:42:33,720 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:42:33,720 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:42:33,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 08:42:33,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05afb5bc-027b-4252-b3c5-26a6309d0c5b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:42:33,921 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:42:33,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:42:33,921 INFO L85 PathProgramCache]: Analyzing trace with hash -2121819634, now seen corresponding path program 1 times [2022-12-14 08:42:33,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:42:33,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820448420] [2022-12-14 08:42:33,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:42:33,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:42:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:42:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 08:42:34,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:42:34,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820448420] [2022-12-14 08:42:34,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820448420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:42:34,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:42:34,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 08:42:34,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929991787] [2022-12-14 08:42:34,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:42:34,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:42:34,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:42:34,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:42:34,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:42:34,048 INFO L87 Difference]: Start difference. First operand 514 states and 755 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-14 08:42:34,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:42:34,663 INFO L93 Difference]: Finished difference Result 514 states and 755 transitions. [2022-12-14 08:42:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:42:34,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 78 [2022-12-14 08:42:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:42:34,663 INFO L225 Difference]: With dead ends: 514 [2022-12-14 08:42:34,663 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:42:34,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:42:34,665 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 92 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:42:34,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 864 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:42:34,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:42:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:42:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:42:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:42:34,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-12-14 08:42:34,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:42:34,666 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:42:34,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-14 08:42:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:42:34,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:42:34,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:42:34,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:42:34,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 08:42:46,774 WARN L233 SmtUtils]: Spent 12.08s on a formula simplification. DAG size of input: 623 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:42:56,173 WARN L233 SmtUtils]: Spent 9.23s on a formula simplification. DAG size of input: 625 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:43:03,013 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 608 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:43:09,782 WARN L233 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 618 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:43:18,203 WARN L233 SmtUtils]: Spent 8.42s on a formula simplification. DAG size of input: 620 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:43:29,414 WARN L233 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 623 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:43:37,158 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 617 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:43:49,951 WARN L233 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 623 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:43:58,723 WARN L233 SmtUtils]: Spent 8.77s on a formula simplification. DAG size of input: 625 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:44:09,496 WARN L233 SmtUtils]: Spent 10.64s on a formula simplification. DAG size of input: 623 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:44:18,531 WARN L233 SmtUtils]: Spent 8.94s on a formula simplification. DAG size of input: 625 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:44:25,009 WARN L233 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 610 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:44:33,711 WARN L233 SmtUtils]: Spent 8.34s on a formula simplification. DAG size of input: 612 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:44:42,497 WARN L233 SmtUtils]: Spent 8.76s on a formula simplification. DAG size of input: 625 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:44:53,670 WARN L233 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 623 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-14 08:45:02,730 WARN L233 SmtUtils]: Spent 8.78s on a formula simplification. DAG size of input: 625 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)