./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/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_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/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_f285fcff-d058-412e-bce0-1c8e32c1ab91/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 979399ca852926e8ca1f854d8ed303a24eaf5d25d69a2db1d99b3449cc418039 --- 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 15:19:41,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:19:41,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:19:41,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:19:41,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:19:41,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:19:41,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:19:41,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:19:41,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:19:41,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:19:41,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:19:41,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:19:41,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:19:41,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:19:41,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:19:41,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:19:41,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:19:41,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:19:41,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:19:41,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:19:41,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:19:41,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:19:41,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:19:41,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:19:41,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:19:41,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:19:41,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:19:41,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:19:41,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:19:41,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:19:41,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:19:41,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:19:41,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:19:41,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:19:41,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:19:41,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:19:41,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:19:41,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:19:42,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:19:42,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:19:42,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:19:42,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:19:42,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:19:42,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:19:42,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:19:42,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:19:42,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:19:42,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:19:42,046 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:19:42,047 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:19:42,047 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:19:42,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:19:42,048 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:19:42,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:19:42,049 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:19:42,049 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:19:42,050 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:19:42,050 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:19:42,050 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:19:42,051 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:19:42,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:19:42,052 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:19:42,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:19:42,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:19:42,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:19:42,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:19:42,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:19:42,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:19:42,054 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:19:42,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:19:42,055 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:19:42,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:19:42,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:19:42,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:19:42,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:19:42,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:19:42,057 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:19:42,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:19:42,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:19:42,058 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:19:42,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:19:42,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:19:42,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:19:42,059 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_f285fcff-d058-412e-bce0-1c8e32c1ab91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979399ca852926e8ca1f854d8ed303a24eaf5d25d69a2db1d99b3449cc418039 [2022-11-23 15:19:42,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:19:42,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:19:42,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:19:42,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:19:42,414 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:19:42,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/email_spec9_product35.cil.c [2022-11-23 15:19:45,431 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:19:45,802 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:19:45,803 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/sv-benchmarks/c/product-lines/email_spec9_product35.cil.c [2022-11-23 15:19:45,828 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/data/4e61a06e8/b884f023e06643faaa774a0796ac5623/FLAG511934d85 [2022-11-23 15:19:45,848 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/data/4e61a06e8/b884f023e06643faaa774a0796ac5623 [2022-11-23 15:19:45,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:19:45,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:19:45,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:19:45,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:19:45,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:19:45,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:45" (1/1) ... [2022-11-23 15:19:45,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e19d3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:45, skipping insertion in model container [2022-11-23 15:19:45,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:45" (1/1) ... [2022-11-23 15:19:45,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:19:45,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:19:46,580 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_f285fcff-d058-412e-bce0-1c8e32c1ab91/sv-benchmarks/c/product-lines/email_spec9_product35.cil.c[46615,46628] [2022-11-23 15:19:46,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:19:46,733 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:19:46,894 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_f285fcff-d058-412e-bce0-1c8e32c1ab91/sv-benchmarks/c/product-lines/email_spec9_product35.cil.c[46615,46628] [2022-11-23 15:19:46,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:19:46,972 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:19:46,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46 WrapperNode [2022-11-23 15:19:46,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:19:46,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:19:46,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:19:46,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:19:46,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,101 INFO L138 Inliner]: procedures = 138, calls = 252, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1162 [2022-11-23 15:19:47,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:19:47,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:19:47,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:19:47,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:19:47,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,158 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:19:47,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:19:47,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:19:47,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:19:47,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (1/1) ... [2022-11-23 15:19:47,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:19:47,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:19:47,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:19:47,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:19:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-23 15:19:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-23 15:19:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-23 15:19:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-23 15:19:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-23 15:19:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-23 15:19:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-23 15:19:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-23 15:19:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-23 15:19:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-23 15:19:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-23 15:19:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-23 15:19:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-11-23 15:19:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-11-23 15:19:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-23 15:19:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-23 15:19:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-23 15:19:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-23 15:19:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-23 15:19:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-23 15:19:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-23 15:19:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-23 15:19:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-23 15:19:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-23 15:19:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-23 15:19:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-23 15:19:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-23 15:19:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-23 15:19:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-23 15:19:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-23 15:19:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-23 15:19:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-23 15:19:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-23 15:19:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:19:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-23 15:19:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-23 15:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-23 15:19:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-23 15:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-23 15:19:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-23 15:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-23 15:19:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-23 15:19:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-23 15:19:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-23 15:19:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-23 15:19:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-23 15:19:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-23 15:19:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-23 15:19:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-23 15:19:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-23 15:19:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-23 15:19:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-23 15:19:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-23 15:19:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-23 15:19:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-23 15:19:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-23 15:19:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:19:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-23 15:19:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-23 15:19:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-23 15:19:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-23 15:19:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:19:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:19:47,533 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:19:47,550 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:19:48,636 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:19:49,370 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:19:49,370 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:19:49,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:19:49 BoogieIcfgContainer [2022-11-23 15:19:49,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:19:49,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:19:49,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:19:49,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:19:49,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:19:45" (1/3) ... [2022-11-23 15:19:49,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150b6505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:19:49, skipping insertion in model container [2022-11-23 15:19:49,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:46" (2/3) ... [2022-11-23 15:19:49,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150b6505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:19:49, skipping insertion in model container [2022-11-23 15:19:49,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:19:49" (3/3) ... [2022-11-23 15:19:49,387 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product35.cil.c [2022-11-23 15:19:49,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:19:49,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:19:49,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:19:49,481 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;@4a238267, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:19:49,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:19:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 136 states have (on average 1.286764705882353) internal successors, (175), 141 states have internal predecessors, (175), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-23 15:19:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-23 15:19:49,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:19:49,505 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:19:49,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:19:49,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:19:49,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1143338323, now seen corresponding path program 1 times [2022-11-23 15:19:49,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:19:49,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169213402] [2022-11-23 15:19:49,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:49,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:19:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:49,989 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 15:19:49,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:19:49,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169213402] [2022-11-23 15:19:49,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169213402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:19:49,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:19:49,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:19:49,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650837252] [2022-11-23 15:19:49,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:19:49,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:19:49,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:19:50,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:19:50,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:19:50,051 INFO L87 Difference]: Start difference. First operand has 242 states, 136 states have (on average 1.286764705882353) internal successors, (175), 141 states have internal predecessors, (175), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:19:50,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:19:50,285 INFO L93 Difference]: Finished difference Result 392 states and 521 transitions. [2022-11-23 15:19:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:19:50,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2022-11-23 15:19:50,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:19:50,309 INFO L225 Difference]: With dead ends: 392 [2022-11-23 15:19:50,309 INFO L226 Difference]: Without dead ends: 239 [2022-11-23 15:19:50,319 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 15:19:50,327 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:19:50,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:19:50,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-23 15:19:50,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2022-11-23 15:19:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 134 states have (on average 1.2611940298507462) internal successors, (169), 138 states have internal predecessors, (169), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2022-11-23 15:19:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2022-11-23 15:19:50,422 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 71 [2022-11-23 15:19:50,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:19:50,424 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2022-11-23 15:19:50,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:19:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2022-11-23 15:19:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 15:19:50,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:19:50,438 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:19:50,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:19:50,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:19:50,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:19:50,440 INFO L85 PathProgramCache]: Analyzing trace with hash -116378009, now seen corresponding path program 1 times [2022-11-23 15:19:50,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:19:50,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591939676] [2022-11-23 15:19:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:50,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:19:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:50,764 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 15:19:50,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:19:50,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591939676] [2022-11-23 15:19:50,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591939676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:19:50,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:19:50,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:19:50,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124049405] [2022-11-23 15:19:50,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:19:50,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:19:50,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:19:50,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:19:50,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:19:50,769 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:19:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:19:50,970 INFO L93 Difference]: Finished difference Result 388 states and 506 transitions. [2022-11-23 15:19:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:19:50,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-23 15:19:50,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:19:50,978 INFO L225 Difference]: With dead ends: 388 [2022-11-23 15:19:50,979 INFO L226 Difference]: Without dead ends: 241 [2022-11-23 15:19:50,984 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 15:19:50,987 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:19:50,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:19:50,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-11-23 15:19:51,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2022-11-23 15:19:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 140 states have internal predecessors, (171), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2022-11-23 15:19:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 320 transitions. [2022-11-23 15:19:51,022 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 320 transitions. Word has length 72 [2022-11-23 15:19:51,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:19:51,023 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 320 transitions. [2022-11-23 15:19:51,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:19:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 320 transitions. [2022-11-23 15:19:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 15:19:51,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:19:51,026 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] [2022-11-23 15:19:51,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:19:51,026 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:19:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:19:51,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1268191754, now seen corresponding path program 1 times [2022-11-23 15:19:51,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:19:51,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058081648] [2022-11-23 15:19:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:51,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:19:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:51,230 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 15:19:51,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:19:51,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058081648] [2022-11-23 15:19:51,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058081648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:19:51,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:19:51,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:19:51,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045983154] [2022-11-23 15:19:51,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:19:51,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:19:51,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:19:51,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:19:51,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:19:51,235 INFO L87 Difference]: Start difference. First operand 241 states and 320 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:19:51,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:19:51,458 INFO L93 Difference]: Finished difference Result 517 states and 707 transitions. [2022-11-23 15:19:51,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:19:51,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2022-11-23 15:19:51,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:19:51,461 INFO L225 Difference]: With dead ends: 517 [2022-11-23 15:19:51,461 INFO L226 Difference]: Without dead ends: 294 [2022-11-23 15:19:51,465 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 15:19:51,470 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 59 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:19:51,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 563 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:19:51,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-11-23 15:19:51,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 289. [2022-11-23 15:19:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 170 states have (on average 1.3294117647058823) internal successors, (226), 174 states have internal predecessors, (226), 89 states have call successors, (89), 29 states have call predecessors, (89), 29 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2022-11-23 15:19:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 403 transitions. [2022-11-23 15:19:51,505 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 403 transitions. Word has length 77 [2022-11-23 15:19:51,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:19:51,506 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 403 transitions. [2022-11-23 15:19:51,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:19:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2022-11-23 15:19:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 15:19:51,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:19:51,511 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 15:19:51,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:19:51,512 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:19:51,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:19:51,512 INFO L85 PathProgramCache]: Analyzing trace with hash -139545106, now seen corresponding path program 1 times [2022-11-23 15:19:51,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:19:51,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566137875] [2022-11-23 15:19:51,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:51,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:19:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:51,764 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 15:19:51,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:19:51,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566137875] [2022-11-23 15:19:51,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566137875] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:19:51,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283175474] [2022-11-23 15:19:51,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:51,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:19:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:19:51,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:19:51,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:19:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:52,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:19:52,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:19:52,251 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 15:19:52,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:19:52,375 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 15:19:52,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283175474] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:19:52,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2004342049] [2022-11-23 15:19:52,408 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-23 15:19:52,408 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:19:52,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:19:52,417 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:19:52,418 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:20:36,880 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-23 15:20:37,266 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 448 for LOIs [2022-11-23 15:20:37,616 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:20:52,240 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 443 DAG size of output: 327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:20:58,600 WARN L233 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 466 DAG size of output: 347 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:21:05,719 WARN L233 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 448 DAG size of output: 305 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:21:12,346 WARN L233 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 471 DAG size of output: 325 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:21:57,719 WARN L233 SmtUtils]: Spent 20.44s on a formula simplification. DAG size of input: 592 DAG size of output: 466 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:22:08,927 WARN L233 SmtUtils]: Spent 10.85s on a formula simplification. DAG size of input: 594 DAG size of output: 347 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:22:29,378 WARN L233 SmtUtils]: Spent 20.07s on a formula simplification. DAG size of input: 593 DAG size of output: 467 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:22:49,869 WARN L233 SmtUtils]: Spent 20.05s on a formula simplification. DAG size of input: 591 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:22:54,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2004342049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:54,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:22:54,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 4, 4] total 26 [2022-11-23 15:22:54,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76443283] [2022-11-23 15:22:54,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:54,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-23 15:22:54,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:54,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-23 15:22:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:22:54,912 INFO L87 Difference]: Start difference. First operand 289 states and 403 transitions. Second operand has 21 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2022-11-23 15:23:05,853 WARN L233 SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 574 DAG size of output: 414 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:23:18,565 WARN L233 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 595 DAG size of output: 440 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:23:28,433 WARN L233 SmtUtils]: Spent 9.57s on a formula simplification. DAG size of input: 572 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:23:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:36,440 INFO L93 Difference]: Finished difference Result 629 states and 913 transitions. [2022-11-23 15:23:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 15:23:36,441 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 78 [2022-11-23 15:23:36,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:36,445 INFO L225 Difference]: With dead ends: 629 [2022-11-23 15:23:36,446 INFO L226 Difference]: Without dead ends: 358 [2022-11-23 15:23:36,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 169.2s TimeCoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2022-11-23 15:23:36,448 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 243 mSDsluCounter, 3641 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:36,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 3912 Invalid, 1879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 1855 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-11-23 15:23:36,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-23 15:23:36,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 317. [2022-11-23 15:23:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 197 states have (on average 1.3451776649746192) internal successors, (265), 201 states have internal predecessors, (265), 89 states have call successors, (89), 30 states have call predecessors, (89), 30 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2022-11-23 15:23:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 442 transitions. [2022-11-23 15:23:36,626 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 442 transitions. Word has length 78 [2022-11-23 15:23:36,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:36,626 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 442 transitions. [2022-11-23 15:23:36,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2022-11-23 15:23:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 442 transitions. [2022-11-23 15:23:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-23 15:23:36,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:36,628 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:36,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:23:36,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:23:36,848 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:23:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1087077453, now seen corresponding path program 1 times [2022-11-23 15:23:36,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:36,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068666894] [2022-11-23 15:23:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:36,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:36,995 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 15:23:36,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:36,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068666894] [2022-11-23 15:23:36,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068666894] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:23:36,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034817821] [2022-11-23 15:23:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:36,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:23:36,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:23:36,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:23:37,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:23:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:37,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:23:37,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:23:37,390 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 15:23:37,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:23:37,460 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 15:23:37,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034817821] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:23:37,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1542886112] [2022-11-23 15:23:37,464 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-23 15:23:37,464 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:23:37,465 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:23:37,465 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:23:37,465 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:24:25,660 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-23 15:24:25,969 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-23 15:24:26,277 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:24:40,988 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 444 DAG size of output: 308 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:24:47,554 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 467 DAG size of output: 328 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:25:37,149 WARN L233 SmtUtils]: Spent 15.38s on a formula simplification. DAG size of input: 583 DAG size of output: 408 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:26:00,732 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification. DAG size of input: 584 DAG size of output: 343 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:26:00,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1542886112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:00,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:26:00,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-23 15:26:00,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712337617] [2022-11-23 15:26:00,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:00,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 15:26:00,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:00,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 15:26:00,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=765, Unknown=0, NotChecked=0, Total=870 [2022-11-23 15:26:00,926 INFO L87 Difference]: Start difference. First operand 317 states and 442 transitions. Second operand has 25 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-11-23 15:26:12,128 WARN L233 SmtUtils]: Spent 9.73s on a formula simplification. DAG size of input: 475 DAG size of output: 407 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:26:34,833 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 484 DAG size of output: 398 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:26:44,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:44,471 INFO L93 Difference]: Finished difference Result 684 states and 992 transitions. [2022-11-23 15:26:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-23 15:26:44,472 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 84 [2022-11-23 15:26:44,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:44,475 INFO L225 Difference]: With dead ends: 684 [2022-11-23 15:26:44,475 INFO L226 Difference]: Without dead ends: 413 [2022-11-23 15:26:44,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 224 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 128.6s TimeCoverageRelationStatistics Valid=182, Invalid=1300, Unknown=0, NotChecked=0, Total=1482 [2022-11-23 15:26:44,477 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 151 mSDsluCounter, 3890 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:44,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 4166 Invalid, 2235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-23 15:26:44,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-11-23 15:26:44,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 331. [2022-11-23 15:26:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 209 states have (on average 1.3492822966507176) internal successors, (282), 213 states have internal predecessors, (282), 90 states have call successors, (90), 31 states have call predecessors, (90), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2022-11-23 15:26:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 461 transitions. [2022-11-23 15:26:44,697 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 461 transitions. Word has length 84 [2022-11-23 15:26:44,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:44,698 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 461 transitions. [2022-11-23 15:26:44,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-11-23 15:26:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 461 transitions. [2022-11-23 15:26:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-23 15:26:44,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:44,701 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:26:44,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:26:44,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:26:44,908 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:26:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:44,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1752650253, now seen corresponding path program 1 times [2022-11-23 15:26:44,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:44,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816351084] [2022-11-23 15:26:44,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:44,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:45,115 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 15:26:45,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:45,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816351084] [2022-11-23 15:26:45,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816351084] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:26:45,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789874285] [2022-11-23 15:26:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:45,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:26:45,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:26:45,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:26:45,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:26:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:45,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:26:45,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:26:45,528 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 15:26:45,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:26:45,609 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 15:26:45,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789874285] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:26:45,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1580239932] [2022-11-23 15:26:45,615 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2022-11-23 15:26:45,615 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:26:45,616 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:26:45,617 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:26:45,617 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:28:29,952 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-23 15:28:30,262 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 438 for LOIs [2022-11-23 15:28:30,580 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 422 for LOIs [2022-11-23 15:28:30,869 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 220 for LOIs [2022-11-23 15:28:30,960 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 448 for LOIs [2022-11-23 15:28:31,273 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:28:46,004 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 444 DAG size of output: 308 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:28:52,573 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 467 DAG size of output: 328 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:28:59,614 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 448 DAG size of output: 305 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:29:06,180 WARN L233 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 471 DAG size of output: 325 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:29:46,026 WARN L233 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 533 DAG size of output: 320 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:30:00,030 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 15:30:15,084 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 526 DAG size of output: 353 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:30:15,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1580239932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:30:15,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:30:15,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [4, 4, 4] total 34 [2022-11-23 15:30:15,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539736337] [2022-11-23 15:30:15,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:30:15,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-23 15:30:15,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:30:15,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-23 15:30:15,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1016, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 15:30:15,091 INFO L87 Difference]: Start difference. First operand 331 states and 461 transitions. Second operand has 29 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 17 states have internal predecessors, (44), 9 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-23 15:30:51,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:30:51,877 INFO L93 Difference]: Finished difference Result 705 states and 1024 transitions. [2022-11-23 15:30:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-23 15:30:51,878 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 17 states have internal predecessors, (44), 9 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) Word has length 87 [2022-11-23 15:30:51,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:30:51,881 INFO L225 Difference]: With dead ends: 705 [2022-11-23 15:30:51,881 INFO L226 Difference]: Without dead ends: 434 [2022-11-23 15:30:51,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 124.5s TimeCoverageRelationStatistics Valid=168, Invalid=1472, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 15:30:51,884 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 167 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 3702 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 4176 SdHoareTripleChecker+Invalid, 3722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:30:51,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 4176 Invalid, 3722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 3702 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2022-11-23 15:30:51,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-11-23 15:30:52,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 367. [2022-11-23 15:30:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 239 states have (on average 1.3556485355648535) internal successors, (324), 243 states have internal predecessors, (324), 93 states have call successors, (93), 34 states have call predecessors, (93), 34 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2022-11-23 15:30:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 509 transitions. [2022-11-23 15:30:52,128 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 509 transitions. Word has length 87 [2022-11-23 15:30:52,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:30:52,128 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 509 transitions. [2022-11-23 15:30:52,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 17 states have internal predecessors, (44), 9 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-23 15:30:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 509 transitions. [2022-11-23 15:30:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-23 15:30:52,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:30:52,131 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:30:52,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:30:52,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:30:52,343 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:30:52,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:30:52,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1848667408, now seen corresponding path program 1 times [2022-11-23 15:30:52,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:30:52,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728113434] [2022-11-23 15:30:52,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:52,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:30:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:30:52,502 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 15:30:52,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:30:52,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728113434] [2022-11-23 15:30:52,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728113434] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:30:52,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618348415] [2022-11-23 15:30:52,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:52,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:30:52,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:30:52,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:30:52,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f285fcff-d058-412e-bce0-1c8e32c1ab91/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:30:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:30:52,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:30:52,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:30:52,885 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 15:30:52,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:30:52,962 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 15:30:52,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618348415] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:30:52,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1282019231] [2022-11-23 15:30:52,965 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-23 15:30:52,965 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:30:52,966 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:30:52,966 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:30:52,966 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:31:37,880 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-23 15:31:38,183 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 271 for LOIs [2022-11-23 15:31:40,027 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 239 for LOIs [2022-11-23 15:31:40,086 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 448 for LOIs [2022-11-23 15:31:40,421 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 273 for LOIs [2022-11-23 15:31:43,482 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 229 for LOIs [2022-11-23 15:31:43,519 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 282 for LOIs [2022-11-23 15:31:49,929 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 252 for LOIs [2022-11-23 15:31:50,004 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 249 for LOIs [2022-11-23 15:31:50,045 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 482 for LOIs [2022-11-23 15:31:53,503 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 257 for LOIs [2022-11-23 15:31:53,553 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:32:07,913 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 443 DAG size of output: 327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:32:14,254 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 466 DAG size of output: 347 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:32:21,302 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 448 DAG size of output: 305 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:32:27,840 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 471 DAG size of output: 325 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:33:07,362 WARN L233 SmtUtils]: Spent 14.87s on a formula simplification. DAG size of input: 599 DAG size of output: 411 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:33:19,306 WARN L233 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 575 DAG size of output: 370 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:33:26,484 WARN L233 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 571 DAG size of output: 366 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)