./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW --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 1c7cb2243c6731bf722079adc6952447a998ab6b938202887231d0b533119871 --- 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-4e7fbc6 [2022-11-23 13:41:21,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:41:21,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:41:21,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:41:21,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:41:21,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:41:21,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:41:21,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:41:21,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:41:21,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:41:21,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:41:21,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:41:21,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:41:21,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:41:21,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:41:21,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:41:21,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:41:21,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:41:21,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:41:21,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:41:21,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:41:21,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:41:21,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:41:21,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:41:21,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:41:21,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:41:21,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:41:21,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:41:21,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:41:21,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:41:21,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:41:21,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:41:21,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:41:21,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:41:21,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:41:21,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:41:21,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:41:21,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:41:21,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:41:21,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:41:21,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:41:21,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:41:21,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:41:21,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:41:21,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:41:21,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:41:21,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:41:21,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:41:21,537 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:41:21,538 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:41:21,538 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:41:21,538 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:41:21,539 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:41:21,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:41:21,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:41:21,539 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:41:21,540 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:41:21,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:41:21,540 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:41:21,540 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:41:21,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:41:21,541 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:41:21,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:41:21,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:41:21,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:41:21,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:41:21,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:41:21,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:41:21,543 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:41:21,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:41:21,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:41:21,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:41:21,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:41:21,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:41:21,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:41:21,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:41:21,544 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:41:21,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:41:21,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:41:21,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:41:21,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:41:21,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:41:21,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:41:21,545 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_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c7cb2243c6731bf722079adc6952447a998ab6b938202887231d0b533119871 [2022-11-23 13:41:21,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:41:21,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:41:21,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:41:21,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:41:21,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:41:21,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2022-11-23 13:41:24,877 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:41:25,199 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:41:25,200 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2022-11-23 13:41:25,242 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/data/ea46b68ed/cefcc99829c346e4904e50f23c5e99bb/FLAGf27b6c90a [2022-11-23 13:41:25,263 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/data/ea46b68ed/cefcc99829c346e4904e50f23c5e99bb [2022-11-23 13:41:25,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:41:25,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:41:25,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:41:25,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:41:25,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:41:25,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:25" (1/1) ... [2022-11-23 13:41:25,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf89475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:25, skipping insertion in model container [2022-11-23 13:41:25,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:25" (1/1) ... [2022-11-23 13:41:25,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:41:25,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:41:25,877 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_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21785,21798] [2022-11-23 13:41:26,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:41:26,141 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:41:26,205 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_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21785,21798] [2022-11-23 13:41:26,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:41:26,335 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:41:26,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26 WrapperNode [2022-11-23 13:41:26,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:41:26,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:41:26,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:41:26,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:41:26,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,448 INFO L138 Inliner]: procedures = 131, calls = 225, calls flagged for inlining = 60, calls inlined = 57, statements flattened = 1095 [2022-11-23 13:41:26,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:41:26,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:41:26,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:41:26,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:41:26,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:41:26,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:41:26,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:41:26,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:41:26,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (1/1) ... [2022-11-23 13:41:26,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:41:26,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:26,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:41:26,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:41:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-23 13:41:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-23 13:41:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-23 13:41:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-23 13:41:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-23 13:41:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-23 13:41:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-23 13:41:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-23 13:41:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-23 13:41:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-23 13:41:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-11-23 13:41:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-11-23 13:41:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-23 13:41:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-23 13:41:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-23 13:41:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-23 13:41:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-23 13:41:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-23 13:41:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-23 13:41:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-23 13:41:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-23 13:41:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-23 13:41:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-23 13:41:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-23 13:41:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-23 13:41:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-23 13:41:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-23 13:41:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:41:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-23 13:41:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-23 13:41:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-23 13:41:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-23 13:41:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-23 13:41:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-23 13:41:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-23 13:41:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-23 13:41:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-23 13:41:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-23 13:41:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-23 13:41:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-23 13:41:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-23 13:41:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-23 13:41:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-23 13:41:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-23 13:41:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:41:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-23 13:41:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-23 13:41:26,605 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-23 13:41:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-23 13:41:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:41:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:41:26,900 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:41:26,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:41:28,031 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:41:28,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:41:28,710 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 13:41:28,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:28 BoogieIcfgContainer [2022-11-23 13:41:28,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:41:28,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:41:28,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:41:28,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:41:28,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:41:25" (1/3) ... [2022-11-23 13:41:28,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b87d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:28, skipping insertion in model container [2022-11-23 13:41:28,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:26" (2/3) ... [2022-11-23 13:41:28,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b87d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:28, skipping insertion in model container [2022-11-23 13:41:28,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:28" (3/3) ... [2022-11-23 13:41:28,727 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product26.cil.c [2022-11-23 13:41:28,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:41:28,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:41:28,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:41:28,830 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;@375efa22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:41:28,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:41:28,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 118 states have internal predecessors, (149), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2022-11-23 13:41:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-23 13:41:28,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:28,859 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, 1, 1] [2022-11-23 13:41:28,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash 127087152, now seen corresponding path program 1 times [2022-11-23 13:41:28,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:28,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104974911] [2022-11-23 13:41:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:28,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:41:29,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:29,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104974911] [2022-11-23 13:41:29,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104974911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:29,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:29,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:41:29,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848396053] [2022-11-23 13:41:29,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:29,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:41:29,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:29,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:41:29,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:41:29,442 INFO L87 Difference]: Start difference. First operand has 200 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 118 states have internal predecessors, (149), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2022-11-23 13:41:29,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:29,621 INFO L93 Difference]: Finished difference Result 308 states and 417 transitions. [2022-11-23 13:41:29,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:41:29,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 63 [2022-11-23 13:41:29,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:29,634 INFO L225 Difference]: With dead ends: 308 [2022-11-23 13:41:29,635 INFO L226 Difference]: Without dead ends: 197 [2022-11-23 13:41:29,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:41:29,643 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:29,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:41:29,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-23 13:41:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-11-23 13:41:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 111 states have (on average 1.2882882882882882) internal successors, (143), 115 states have internal predecessors, (143), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2022-11-23 13:41:29,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 266 transitions. [2022-11-23 13:41:29,704 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 266 transitions. Word has length 63 [2022-11-23 13:41:29,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:29,706 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 266 transitions. [2022-11-23 13:41:29,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2022-11-23 13:41:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2022-11-23 13:41:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 13:41:29,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:29,710 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, 1, 1, 1] [2022-11-23 13:41:29,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:41:29,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:29,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:29,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1862087256, now seen corresponding path program 1 times [2022-11-23 13:41:29,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:29,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372674583] [2022-11-23 13:41:29,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:29,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:41:29,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:29,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372674583] [2022-11-23 13:41:29,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372674583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:29,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:29,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:41:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105802075] [2022-11-23 13:41:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:29,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:41:29,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:29,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:41:29,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:29,965 INFO L87 Difference]: Start difference. First operand 197 states and 266 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-11-23 13:41:30,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:30,130 INFO L93 Difference]: Finished difference Result 304 states and 402 transitions. [2022-11-23 13:41:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:41:30,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 64 [2022-11-23 13:41:30,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:30,134 INFO L225 Difference]: With dead ends: 304 [2022-11-23 13:41:30,134 INFO L226 Difference]: Without dead ends: 199 [2022-11-23 13:41:30,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:30,136 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:30,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:41:30,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-23 13:41:30,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-11-23 13:41:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 113 states have (on average 1.2831858407079646) internal successors, (145), 117 states have internal predecessors, (145), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2022-11-23 13:41:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 268 transitions. [2022-11-23 13:41:30,158 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 268 transitions. Word has length 64 [2022-11-23 13:41:30,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:30,159 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 268 transitions. [2022-11-23 13:41:30,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-11-23 13:41:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 268 transitions. [2022-11-23 13:41:30,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-23 13:41:30,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:30,186 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] [2022-11-23 13:41:30,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:41:30,187 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:30,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:30,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1974227867, now seen corresponding path program 1 times [2022-11-23 13:41:30,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:30,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726211364] [2022-11-23 13:41:30,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:30,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:41:30,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:30,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726211364] [2022-11-23 13:41:30,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726211364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:41:30,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:41:30,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:41:30,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664254769] [2022-11-23 13:41:30,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:41:30,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:41:30,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:41:30,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:41:30,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:30,409 INFO L87 Difference]: Start difference. First operand 199 states and 268 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, (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) [2022-11-23 13:41:30,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:41:30,619 INFO L93 Difference]: Finished difference Result 433 states and 603 transitions. [2022-11-23 13:41:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:41:30,620 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, (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 69 [2022-11-23 13:41:30,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:41:30,622 INFO L225 Difference]: With dead ends: 433 [2022-11-23 13:41:30,622 INFO L226 Difference]: Without dead ends: 252 [2022-11-23 13:41:30,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:41:30,625 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 59 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:41:30,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 467 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 13:41:30,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-11-23 13:41:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 247. [2022-11-23 13:41:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 147 states have (on average 1.3605442176870748) internal successors, (200), 151 states have internal predecessors, (200), 76 states have call successors, (76), 23 states have call predecessors, (76), 23 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 13:41:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 351 transitions. [2022-11-23 13:41:30,650 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 351 transitions. Word has length 69 [2022-11-23 13:41:30,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:41:30,650 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 351 transitions. [2022-11-23 13:41:30,650 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, (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) [2022-11-23 13:41:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2022-11-23 13:41:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 13:41:30,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:41:30,654 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] [2022-11-23 13:41:30,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:41:30,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:41:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:41:30,654 INFO L85 PathProgramCache]: Analyzing trace with hash 881538843, now seen corresponding path program 1 times [2022-11-23 13:41:30,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:41:30,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936244359] [2022-11-23 13:41:30,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:41:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:41:30,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:41:30,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936244359] [2022-11-23 13:41:30,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936244359] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:41:30,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348860086] [2022-11-23 13:41:30,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:41:30,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:41:30,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:41:30,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:41:30,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:41:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:41:31,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 13:41:31,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:41:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:41:31,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:41:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:41:31,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348860086] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:41:31,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1700073478] [2022-11-23 13:41:31,347 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2022-11-23 13:41:31,347 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:41:31,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:41:31,357 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:41:31,358 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:42:08,512 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-23 13:42:08,904 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-23 13:42:09,281 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:42:41,254 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 468 DAG size of output: 308 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:42:57,685 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 502 DAG size of output: 336 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:43:04,829 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 512 DAG size of output: 304 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:43:26,714 WARN L233 SmtUtils]: Spent 21.51s on a formula simplification. DAG size of input: 596 DAG size of output: 467 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:43:41,231 WARN L233 SmtUtils]: Spent 14.19s on a formula simplification. DAG size of input: 598 DAG size of output: 346 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:43:48,162 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 347 DAG size of output: 345 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:43:55,141 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 345 DAG size of output: 343 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:44:01,805 WARN L233 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 549 DAG size of output: 369 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:44:01,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1700073478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:44:01,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 13:44:01,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 4, 4] total 26 [2022-11-23 13:44:01,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841307055] [2022-11-23 13:44:01,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:44:01,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-23 13:44:01,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:44:01,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-23 13:44:01,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-11-23 13:44:01,816 INFO L87 Difference]: Start difference. First operand 247 states and 351 transitions. Second operand has 21 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 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) [2022-11-23 13:44:12,864 WARN L233 SmtUtils]: Spent 9.57s on a formula simplification. DAG size of input: 560 DAG size of output: 428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:44:34,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:44:34,028 INFO L93 Difference]: Finished difference Result 545 states and 809 transitions. [2022-11-23 13:44:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 13:44:34,029 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 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 70 [2022-11-23 13:44:34,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:44:34,032 INFO L225 Difference]: With dead ends: 545 [2022-11-23 13:44:34,032 INFO L226 Difference]: Without dead ends: 316 [2022-11-23 13:44:34,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 136.3s TimeCoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2022-11-23 13:44:34,035 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 159 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:44:34,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 3133 Invalid, 1806 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-23 13:44:34,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-11-23 13:44:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 275. [2022-11-23 13:44:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 174 states have (on average 1.3735632183908046) internal successors, (239), 178 states have internal predecessors, (239), 76 states have call successors, (76), 24 states have call predecessors, (76), 24 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 13:44:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 390 transitions. [2022-11-23 13:44:34,172 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 390 transitions. Word has length 70 [2022-11-23 13:44:34,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:44:34,173 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 390 transitions. [2022-11-23 13:44:34,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 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) [2022-11-23 13:44:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 390 transitions. [2022-11-23 13:44:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 13:44:34,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:44:34,176 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, 1, 1, 1] [2022-11-23 13:44:34,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 13:44:34,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:44:34,383 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:44:34,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:44:34,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1130861375, now seen corresponding path program 1 times [2022-11-23 13:44:34,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:44:34,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891610225] [2022-11-23 13:44:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:44:34,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:44:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:44:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:44:34,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:44:34,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891610225] [2022-11-23 13:44:34,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891610225] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:44:34,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875093096] [2022-11-23 13:44:34,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:44:34,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:44:34,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:44:34,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:44:34,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:44:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:44:34,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 13:44:34,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:44:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:44:34,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:44:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 13:44:35,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875093096] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:44:35,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [703669471] [2022-11-23 13:44:35,031 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2022-11-23 13:44:35,031 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:44:35,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:44:35,032 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:44:35,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:45:24,553 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-23 13:45:24,853 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 446 for LOIs [2022-11-23 13:45:25,149 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:45:56,778 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 468 DAG size of output: 308 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:46:12,504 WARN L233 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 502 DAG size of output: 336 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:46:19,423 WARN L233 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 512 DAG size of output: 304 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:46:40,107 WARN L233 SmtUtils]: Spent 20.35s 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) [2022-11-23 13:47:00,989 WARN L233 SmtUtils]: Spent 20.52s 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) [2022-11-23 13:47:07,575 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 334 DAG size of output: 332 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:47:14,149 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 332 DAG size of output: 330 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:47:20,554 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 572 DAG size of output: 345 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:47:26,908 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 568 DAG size of output: 341 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:47:35,290 WARN L233 SmtUtils]: Spent 8.00s on a formula simplification. DAG size of input: 572 DAG size of output: 398 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:47:42,236 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 553 DAG size of output: 373 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:47:48,495 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 584 DAG size of output: 327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:47:48,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [703669471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:47:48,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 13:47:48,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-23 13:47:48,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512234142] [2022-11-23 13:47:48,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:47:48,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 13:47:48,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:47:48,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 13:47:48,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=765, Unknown=0, NotChecked=0, Total=870 [2022-11-23 13:47:48,505 INFO L87 Difference]: Start difference. First operand 275 states and 390 transitions. Second operand has 25 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 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) [2022-11-23 13:48:09,024 WARN L233 SmtUtils]: Spent 18.86s on a formula simplification. DAG size of input: 552 DAG size of output: 458 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:48:26,357 WARN L233 SmtUtils]: Spent 17.07s on a formula simplification. DAG size of input: 552 DAG size of output: 438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:48:33,103 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 373 DAG size of output: 351 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:48:39,870 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 371 DAG size of output: 349 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:49:02,484 WARN L233 SmtUtils]: Spent 10.24s on a formula simplification. DAG size of input: 561 DAG size of output: 449 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:49:09,849 WARN L233 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 384 DAG size of output: 355 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:49:17,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:49:17,389 INFO L93 Difference]: Finished difference Result 600 states and 888 transitions. [2022-11-23 13:49:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-23 13:49:17,390 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 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 76 [2022-11-23 13:49:17,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:49:17,393 INFO L225 Difference]: With dead ends: 600 [2022-11-23 13:49:17,393 INFO L226 Difference]: Without dead ends: 371 [2022-11-23 13:49:17,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 221.2s TimeCoverageRelationStatistics Valid=182, Invalid=1300, Unknown=0, NotChecked=0, Total=1482 [2022-11-23 13:49:17,395 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 151 mSDsluCounter, 3277 mSDsCounter, 0 mSdLazyCounter, 2263 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 3511 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:49:17,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 3511 Invalid, 2284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 2263 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-11-23 13:49:17,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-11-23 13:49:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 289. [2022-11-23 13:49:17,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 186 states have (on average 1.3763440860215055) internal successors, (256), 190 states have internal predecessors, (256), 77 states have call successors, (77), 25 states have call predecessors, (77), 25 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2022-11-23 13:49:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 409 transitions. [2022-11-23 13:49:17,548 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 409 transitions. Word has length 76 [2022-11-23 13:49:17,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:49:17,549 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 409 transitions. [2022-11-23 13:49:17,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 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) [2022-11-23 13:49:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 409 transitions. [2022-11-23 13:49:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-23 13:49:17,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:49:17,551 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, 1, 1, 1] [2022-11-23 13:49:17,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 13:49:17,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:49:17,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:49:17,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:49:17,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1336118323, now seen corresponding path program 1 times [2022-11-23 13:49:17,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:49:17,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471134134] [2022-11-23 13:49:17,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:49:17,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:49:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:49:17,926 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:49:17,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:49:17,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471134134] [2022-11-23 13:49:17,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471134134] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:49:17,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119769192] [2022-11-23 13:49:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:49:17,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:49:17,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:49:17,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:49:17,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 13:49:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:49:18,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 13:49:18,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:49:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:49:18,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:49:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:49:18,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119769192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:49:18,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1592471472] [2022-11-23 13:49:18,349 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2022-11-23 13:49:18,349 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:49:18,350 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:49:18,350 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:49:18,350 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:50:51,934 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 447 for LOIs [2022-11-23 13:50:52,232 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 438 for LOIs [2022-11-23 13:50:52,542 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 235 for LOIs [2022-11-23 13:50:52,613 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 222 for LOIs [2022-11-23 13:50:52,677 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-23 13:50:52,976 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:51:22,736 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 468 DAG size of output: 308 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:51:38,169 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 502 DAG size of output: 336 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:51:44,944 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 512 DAG size of output: 304 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:51:57,296 WARN L233 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 534 DAG size of output: 403 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:52:13,431 WARN L233 SmtUtils]: Spent 7.98s on a formula simplification. DAG size of input: 545 DAG size of output: 379 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:52:28,617 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 526 DAG size of output: 327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:52:28,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1592471472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:52:28,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 13:52:28,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [4, 4, 4] total 34 [2022-11-23 13:52:28,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881597770] [2022-11-23 13:52:28,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:52:28,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-23 13:52:28,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:52:28,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-23 13:52:28,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1017, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 13:52:28,626 INFO L87 Difference]: Start difference. First operand 289 states and 409 transitions. Second operand has 29 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 17 states have internal predecessors, (40), 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) [2022-11-23 13:52:39,072 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 510 DAG size of output: 365 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:53:01,758 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 506 DAG size of output: 332 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:53:13,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:13,115 INFO L93 Difference]: Finished difference Result 621 states and 920 transitions. [2022-11-23 13:53:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-23 13:53:13,116 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 17 states have internal predecessors, (40), 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 79 [2022-11-23 13:53:13,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:13,122 INFO L225 Difference]: With dead ends: 621 [2022-11-23 13:53:13,122 INFO L226 Difference]: Without dead ends: 392 [2022-11-23 13:53:13,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 125.1s TimeCoverageRelationStatistics Valid=175, Invalid=1547, Unknown=0, NotChecked=0, Total=1722 [2022-11-23 13:53:13,129 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 167 mSDsluCounter, 3410 mSDsCounter, 0 mSdLazyCounter, 3416 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 3645 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:13,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 3645 Invalid, 3436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 3416 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-11-23 13:53:13,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2022-11-23 13:53:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 325. [2022-11-23 13:53:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 216 states have (on average 1.3796296296296295) internal successors, (298), 220 states have internal predecessors, (298), 80 states have call successors, (80), 28 states have call predecessors, (80), 28 states have return successors, (79), 78 states have call predecessors, (79), 79 states have call successors, (79) [2022-11-23 13:53:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 457 transitions. [2022-11-23 13:53:13,331 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 457 transitions. Word has length 79 [2022-11-23 13:53:13,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:13,331 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 457 transitions. [2022-11-23 13:53:13,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 17 states have internal predecessors, (40), 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) [2022-11-23 13:53:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 457 transitions. [2022-11-23 13:53:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 13:53:13,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:13,333 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, 1, 1] [2022-11-23 13:53:13,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 13:53:13,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:53:13,539 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:53:13,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:13,539 INFO L85 PathProgramCache]: Analyzing trace with hash 254363607, now seen corresponding path program 1 times [2022-11-23 13:53:13,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754520927] [2022-11-23 13:53:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:13,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:53:13,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:13,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754520927] [2022-11-23 13:53:13,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754520927] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:53:13,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236272816] [2022-11-23 13:53:13,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:13,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:53:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:53:13,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:53:13,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ca43fa-e1d2-4ff5-9bfb-b57fb7fddf73/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 13:53:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:14,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 13:53:14,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:53:14,047 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:53:14,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:53:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 13:53:14,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236272816] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:53:14,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [817000907] [2022-11-23 13:53:14,107 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-23 13:53:14,108 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:53:14,108 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:53:14,108 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:53:14,108 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:53:57,741 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 447 for LOIs [2022-11-23 13:53:58,041 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-23 13:53:58,326 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 13:54:28,010 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 468 DAG size of output: 308 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:54:43,394 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 502 DAG size of output: 336 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 13:54:50,155 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 512 DAG size of output: 304 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)