./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_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_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/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_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/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_a243b47d-9559-4c40-9f51-7b1434cca238/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 4b1644ee409dd7fb9188781699149bb283de125dad063a54175775584b617862 --- 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 15:34:20,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:34:20,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:34:20,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:34:20,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:34:20,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:34:20,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:34:20,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:34:20,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:34:20,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:34:20,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:34:20,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:34:20,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:34:20,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:34:20,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:34:20,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:34:20,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:34:20,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:34:20,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:34:20,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:34:20,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:34:20,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:34:20,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:34:20,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:34:20,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:34:20,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:34:20,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:34:20,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:34:20,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:34:20,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:34:20,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:34:20,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:34:20,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:34:20,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:34:20,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:34:20,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:34:20,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:34:20,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:34:20,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:34:20,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:34:20,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:34:20,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:34:20,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:34:20,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:34:20,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:34:20,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:34:20,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:34:20,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:34:20,264 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:34:20,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:34:20,264 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:34:20,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:34:20,266 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:34:20,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:34:20,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:34:20,267 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:34:20,267 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:34:20,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:34:20,268 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:34:20,268 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:34:20,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:34:20,269 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:34:20,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:34:20,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:34:20,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:34:20,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:34:20,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:34:20,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:34:20,271 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:34:20,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:34:20,272 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:34:20,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:34:20,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:34:20,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:34:20,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:34:20,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:34:20,274 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:34:20,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:34:20,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:34:20,275 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:34:20,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:34:20,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:34:20,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:34:20,276 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_a243b47d-9559-4c40-9f51-7b1434cca238/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b1644ee409dd7fb9188781699149bb283de125dad063a54175775584b617862 [2022-11-23 15:34:20,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:34:20,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:34:20,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:34:20,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:34:20,676 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:34:20,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/email_spec6_product35.cil.c [2022-11-23 15:34:24,434 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:34:24,914 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:34:24,915 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/sv-benchmarks/c/product-lines/email_spec6_product35.cil.c [2022-11-23 15:34:24,941 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/data/d00361a68/2ddb229da9934a0f861b725f1613d0bf/FLAGfd9aae413 [2022-11-23 15:34:24,960 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/data/d00361a68/2ddb229da9934a0f861b725f1613d0bf [2022-11-23 15:34:24,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:34:24,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:34:24,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:34:24,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:34:24,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:34:24,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:24" (1/1) ... [2022-11-23 15:34:24,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2165e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:24, skipping insertion in model container [2022-11-23 15:34:24,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:24" (1/1) ... [2022-11-23 15:34:24,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:34:25,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:34:25,649 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_a243b47d-9559-4c40-9f51-7b1434cca238/sv-benchmarks/c/product-lines/email_spec6_product35.cil.c[24735,24748] [2022-11-23 15:34:25,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:34:25,915 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:34:25,978 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_a243b47d-9559-4c40-9f51-7b1434cca238/sv-benchmarks/c/product-lines/email_spec6_product35.cil.c[24735,24748] [2022-11-23 15:34:26,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:34:26,104 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:34:26,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26 WrapperNode [2022-11-23 15:34:26,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:34:26,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:34:26,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:34:26,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:34:26,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,290 INFO L138 Inliner]: procedures = 138, calls = 254, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1175 [2022-11-23 15:34:26,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:34:26,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:34:26,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:34:26,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:34:26,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:34:26,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:34:26,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:34:26,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:34:26,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (1/1) ... [2022-11-23 15:34:26,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:34:26,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:34:26,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:34:26,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-23 15:34:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-23 15:34:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-23 15:34:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-23 15:34:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-23 15:34:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-23 15:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-23 15:34:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-23 15:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-23 15:34:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-23 15:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-23 15:34:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-23 15:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-11-23 15:34:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-11-23 15:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-23 15:34:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-23 15:34:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-23 15:34:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-23 15:34:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-23 15:34:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-23 15:34:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-23 15:34:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-23 15:34:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-23 15:34:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-23 15:34:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-23 15:34:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-23 15:34:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-23 15:34:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-23 15:34:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-23 15:34:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-23 15:34:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-23 15:34:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-23 15:34:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-23 15:34:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:34:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-23 15:34:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-23 15:34:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-23 15:34:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-23 15:34:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-23 15:34:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-23 15:34:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-23 15:34:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-23 15:34:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-23 15:34:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-23 15:34:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-23 15:34:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-23 15:34:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-23 15:34:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-23 15:34:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-23 15:34:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-23 15:34:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-23 15:34:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-23 15:34:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-23 15:34:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-23 15:34:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-23 15:34:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-23 15:34:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:34:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-23 15:34:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-23 15:34:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-23 15:34:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-23 15:34:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:34:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:34:26,929 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:34:26,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:34:28,092 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:34:28,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:34:28,995 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:34:29,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:29 BoogieIcfgContainer [2022-11-23 15:34:29,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:34:29,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:34:29,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:34:29,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:34:29,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:34:24" (1/3) ... [2022-11-23 15:34:29,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b575474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:29, skipping insertion in model container [2022-11-23 15:34:29,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26" (2/3) ... [2022-11-23 15:34:29,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b575474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:29, skipping insertion in model container [2022-11-23 15:34:29,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:29" (3/3) ... [2022-11-23 15:34:29,016 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product35.cil.c [2022-11-23 15:34:29,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:34:29,046 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:34:29,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:34:29,145 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;@27a9fb66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:34:29,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:34:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 246 states, 138 states have (on average 1.2826086956521738) internal successors, (177), 143 states have internal predecessors, (177), 77 states have call successors, (77), 29 states have call predecessors, (77), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2022-11-23 15:34:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-23 15:34:29,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:29,189 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:29,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:29,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:29,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1890192122, now seen corresponding path program 1 times [2022-11-23 15:34:29,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:34:29,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93509162] [2022-11-23 15:34:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:29,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:34:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 15:34:29,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:34:29,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93509162] [2022-11-23 15:34:29,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93509162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:34:29,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:34:29,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:34:29,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899397069] [2022-11-23 15:34:29,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:34:29,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:34:29,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:34:29,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:34:29,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:34:29,834 INFO L87 Difference]: Start difference. First operand has 246 states, 138 states have (on average 1.2826086956521738) internal successors, (177), 143 states have internal predecessors, (177), 77 states have call successors, (77), 29 states have call predecessors, (77), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:34:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:34:30,141 INFO L93 Difference]: Finished difference Result 400 states and 533 transitions. [2022-11-23 15:34:30,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:34:30,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 87 [2022-11-23 15:34:30,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:34:30,160 INFO L225 Difference]: With dead ends: 400 [2022-11-23 15:34:30,161 INFO L226 Difference]: Without dead ends: 243 [2022-11-23 15:34:30,168 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 15:34:30,172 INFO L413 NwaCegarLoop]: 280 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, 280 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:34:30,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:34:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-11-23 15:34:30,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2022-11-23 15:34:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 140 states have internal predecessors, (171), 77 states have call successors, (77), 29 states have call predecessors, (77), 29 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2022-11-23 15:34:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 324 transitions. [2022-11-23 15:34:30,254 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 324 transitions. Word has length 87 [2022-11-23 15:34:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:34:30,256 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 324 transitions. [2022-11-23 15:34:30,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:34:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 324 transitions. [2022-11-23 15:34:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-23 15:34:30,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:30,262 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:30,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:34:30,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:30,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:30,264 INFO L85 PathProgramCache]: Analyzing trace with hash 667424174, now seen corresponding path program 1 times [2022-11-23 15:34:30,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:34:30,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218172386] [2022-11-23 15:34:30,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:34:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 15:34:30,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:34:30,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218172386] [2022-11-23 15:34:30,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218172386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:34:30,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:34:30,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:34:30,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322122043] [2022-11-23 15:34:30,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:34:30,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:34:30,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:34:30,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:34:30,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:34:30,593 INFO L87 Difference]: Start difference. First operand 243 states and 324 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:34:30,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:34:30,815 INFO L93 Difference]: Finished difference Result 396 states and 518 transitions. [2022-11-23 15:34:30,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:34:30,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 88 [2022-11-23 15:34:30,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:34:30,828 INFO L225 Difference]: With dead ends: 396 [2022-11-23 15:34:30,829 INFO L226 Difference]: Without dead ends: 245 [2022-11-23 15:34:30,833 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 15:34:30,835 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 0 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:34:30,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 553 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:34:30,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-11-23 15:34:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2022-11-23 15:34:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 138 states have (on average 1.2536231884057971) internal successors, (173), 142 states have internal predecessors, (173), 77 states have call successors, (77), 29 states have call predecessors, (77), 29 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2022-11-23 15:34:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 326 transitions. [2022-11-23 15:34:30,892 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 326 transitions. Word has length 88 [2022-11-23 15:34:30,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:34:30,893 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 326 transitions. [2022-11-23 15:34:30,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:34:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 326 transitions. [2022-11-23 15:34:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-23 15:34:30,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:30,898 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:30,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:34:30,898 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:30,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:30,899 INFO L85 PathProgramCache]: Analyzing trace with hash 845496376, now seen corresponding path program 1 times [2022-11-23 15:34:30,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:34:30,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502178661] [2022-11-23 15:34:30,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:30,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:34:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:34:31,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:34:31,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502178661] [2022-11-23 15:34:31,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502178661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:34:31,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:34:31,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:34:31,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035252073] [2022-11-23 15:34:31,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:34:31,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:34:31,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:34:31,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:34:31,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:34:31,123 INFO L87 Difference]: Start difference. First operand 245 states and 326 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:34:31,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:34:31,313 INFO L93 Difference]: Finished difference Result 525 states and 719 transitions. [2022-11-23 15:34:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:34:31,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 104 [2022-11-23 15:34:31,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:34:31,317 INFO L225 Difference]: With dead ends: 525 [2022-11-23 15:34:31,317 INFO L226 Difference]: Without dead ends: 298 [2022-11-23 15:34:31,319 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 15:34:31,320 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 59 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:34:31,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 571 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:34:31,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-11-23 15:34:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 293. [2022-11-23 15:34:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 172 states have (on average 1.3255813953488371) internal successors, (228), 176 states have internal predecessors, (228), 91 states have call successors, (91), 29 states have call predecessors, (91), 29 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2022-11-23 15:34:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 409 transitions. [2022-11-23 15:34:31,350 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 409 transitions. Word has length 104 [2022-11-23 15:34:31,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:34:31,351 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 409 transitions. [2022-11-23 15:34:31,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:34:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 409 transitions. [2022-11-23 15:34:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-23 15:34:31,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:31,354 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:31,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:34:31,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:31,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1367202788, now seen corresponding path program 1 times [2022-11-23 15:34:31,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:34:31,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293177934] [2022-11-23 15:34:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:34:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:34:31,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:34:31,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293177934] [2022-11-23 15:34:31,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293177934] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:34:31,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841665631] [2022-11-23 15:34:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:31,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:34:31,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:34:31,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:34:31,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:34:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:32,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:34:32,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:34:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:34:32,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:34:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:34:32,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841665631] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:34:32,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1249554251] [2022-11-23 15:34:32,509 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2022-11-23 15:34:32,509 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:34:32,514 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:34:32,520 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:34:32,521 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:35:13,723 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-23 15:35:14,053 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 273 for LOIs [2022-11-23 15:35:16,414 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-23 15:35:16,750 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 275 for LOIs [2022-11-23 15:35:20,412 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 241 for LOIs [2022-11-23 15:35:20,452 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 233 for LOIs [2022-11-23 15:35:20,492 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 241 for LOIs [2022-11-23 15:35:20,544 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 258 for LOIs [2022-11-23 15:35:20,592 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:36:01,206 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 490 DAG size of output: 316 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:36:06,672 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 502 DAG size of output: 315 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:36:14,835 WARN L233 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 512 DAG size of output: 339 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:36:27,438 WARN L233 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 574 DAG size of output: 439 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:36:34,126 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 566 DAG size of output: 353 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:36:40,690 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 562 DAG size of output: 349 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:36:47,372 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 568 DAG size of output: 355 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:21,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1249554251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:37:21,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:37:21,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [4, 4, 4] total 46 [2022-11-23 15:37:21,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683105894] [2022-11-23 15:37:21,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:37:21,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-23 15:37:21,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:37:21,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-23 15:37:21,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1956, Unknown=0, NotChecked=0, Total=2070 [2022-11-23 15:37:21,656 INFO L87 Difference]: Start difference. First operand 293 states and 409 transitions. Second operand has 41 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 25 states have internal predecessors, (50), 13 states have call successors, (24), 9 states have call predecessors, (24), 7 states have return successors, (21), 11 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-23 15:37:34,837 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 496 DAG size of output: 387 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:41,641 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 535 DAG size of output: 373 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:48,570 WARN L233 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 531 DAG size of output: 369 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:37:55,645 WARN L233 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 538 DAG size of output: 374 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:38:02,689 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 530 DAG size of output: 370 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:38:10,695 WARN L233 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 563 DAG size of output: 362 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:38:17,659 WARN L233 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 534 DAG size of output: 374 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:38:25,401 WARN L233 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 537 DAG size of output: 375 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:38:59,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:38:59,137 INFO L93 Difference]: Finished difference Result 716 states and 1069 transitions. [2022-11-23 15:38:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-23 15:38:59,138 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 25 states have internal predecessors, (50), 13 states have call successors, (24), 9 states have call predecessors, (24), 7 states have return successors, (21), 11 states have call predecessors, (21), 11 states have call successors, (21) Word has length 105 [2022-11-23 15:38:59,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:38:59,142 INFO L225 Difference]: With dead ends: 716 [2022-11-23 15:38:59,142 INFO L226 Difference]: Without dead ends: 441 [2022-11-23 15:38:59,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 185.0s TimeCoverageRelationStatistics Valid=198, Invalid=2994, Unknown=0, NotChecked=0, Total=3192 [2022-11-23 15:38:59,145 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 365 mSDsluCounter, 6169 mSDsCounter, 0 mSdLazyCounter, 7036 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 6490 SdHoareTripleChecker+Invalid, 7072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 7036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:38:59,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 6490 Invalid, 7072 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [36 Valid, 7036 Invalid, 0 Unknown, 0 Unchecked, 32.7s Time] [2022-11-23 15:38:59,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-11-23 15:38:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 340. [2022-11-23 15:38:59,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 208 states have (on average 1.3317307692307692) internal successors, (277), 212 states have internal predecessors, (277), 97 states have call successors, (97), 36 states have call predecessors, (97), 34 states have return successors, (96), 93 states have call predecessors, (96), 96 states have call successors, (96) [2022-11-23 15:38:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 470 transitions. [2022-11-23 15:38:59,346 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 470 transitions. Word has length 105 [2022-11-23 15:38:59,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:38:59,347 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 470 transitions. [2022-11-23 15:38:59,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 25 states have internal predecessors, (50), 13 states have call successors, (24), 9 states have call predecessors, (24), 7 states have return successors, (21), 11 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-23 15:38:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 470 transitions. [2022-11-23 15:38:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:38:59,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:38:59,350 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:38:59,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:38:59,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:38:59,559 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:38:59,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:38:59,559 INFO L85 PathProgramCache]: Analyzing trace with hash 836784590, now seen corresponding path program 1 times [2022-11-23 15:38:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:38:59,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375486245] [2022-11-23 15:38:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:38:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:38:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:38:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 15:38:59,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:38:59,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375486245] [2022-11-23 15:38:59,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375486245] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:38:59,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312022595] [2022-11-23 15:38:59,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:38:59,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:38:59,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:38:59,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:38:59,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:39:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:39:00,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:39:00,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:39:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 15:39:00,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:39:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 15:39:00,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312022595] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:39:00,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1106362910] [2022-11-23 15:39:00,272 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2022-11-23 15:39:00,272 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:39:00,273 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:39:00,274 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:39:00,274 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:39:31,178 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-23 15:39:31,459 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 273 for LOIs [2022-11-23 15:39:33,547 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 241 for LOIs [2022-11-23 15:39:33,590 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-23 15:39:33,869 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 273 for LOIs [2022-11-23 15:39:37,032 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 283 for LOIs [2022-11-23 15:39:48,012 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 231 for LOIs [2022-11-23 15:39:48,049 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 253 for LOIs [2022-11-23 15:39:48,123 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 427 for LOIs [2022-11-23 15:39:48,356 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 477 for LOIs [2022-11-23 15:39:50,229 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 255 for LOIs [2022-11-23 15:39:50,275 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 258 for LOIs [2022-11-23 15:39:50,325 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:40:09,204 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 467 DAG size of output: 263 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:40:34,054 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 490 DAG size of output: 316 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:40:39,477 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 502 DAG size of output: 315 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:40:47,770 WARN L233 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 512 DAG size of output: 339 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:41:00,604 WARN L233 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 574 DAG size of output: 439 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:41:07,304 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 566 DAG size of output: 353 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:41:14,049 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 562 DAG size of output: 349 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:41:20,950 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 568 DAG size of output: 355 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:41:31,065 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 477 DAG size of output: 283 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:42:20,713 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 475 DAG size of output: 338 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:42:32,108 WARN L233 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 481 DAG size of output: 348 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:42:38,561 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 483 DAG size of output: 350 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:42:46,405 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 525 DAG size of output: 373 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:05,638 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 545 DAG size of output: 373 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:10,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1106362910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:10,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:43:10,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [4, 4, 4] total 65 [2022-11-23 15:43:10,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127151276] [2022-11-23 15:43:10,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:10,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-23 15:43:10,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:10,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-23 15:43:10,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3995, Unknown=0, NotChecked=0, Total=4160 [2022-11-23 15:43:10,656 INFO L87 Difference]: Start difference. First operand 340 states and 470 transitions. Second operand has 60 states, 38 states have (on average 1.236842105263158) internal successors, (47), 35 states have internal predecessors, (47), 19 states have call successors, (21), 13 states have call predecessors, (21), 10 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2022-11-23 15:43:24,801 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 496 DAG size of output: 387 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:31,744 WARN L233 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 535 DAG size of output: 373 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:38,852 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 531 DAG size of output: 369 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:46,409 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 538 DAG size of output: 374 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:43:53,717 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 530 DAG size of output: 370 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:44:02,108 WARN L233 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 563 DAG size of output: 362 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:44:09,160 WARN L233 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 534 DAG size of output: 374 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:44:17,330 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 537 DAG size of output: 375 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:45:31,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:45:31,001 INFO L93 Difference]: Finished difference Result 646 states and 913 transitions. [2022-11-23 15:45:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-23 15:45:31,012 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 38 states have (on average 1.236842105263158) internal successors, (47), 35 states have internal predecessors, (47), 19 states have call successors, (21), 13 states have call predecessors, (21), 10 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) Word has length 94 [2022-11-23 15:45:31,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:45:31,020 INFO L225 Difference]: With dead ends: 646 [2022-11-23 15:45:31,020 INFO L226 Difference]: Without dead ends: 502 [2022-11-23 15:45:31,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1382 ImplicationChecksByTransitivity, 286.3s TimeCoverageRelationStatistics Valid=283, Invalid=6197, Unknown=0, NotChecked=0, Total=6480 [2022-11-23 15:45:31,028 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 442 mSDsluCounter, 8223 mSDsCounter, 0 mSdLazyCounter, 11116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 8549 SdHoareTripleChecker+Invalid, 11148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 11116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:45:31,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 8549 Invalid, 11148 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [32 Valid, 11116 Invalid, 0 Unknown, 0 Unchecked, 53.2s Time] [2022-11-23 15:45:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2022-11-23 15:45:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 393. [2022-11-23 15:45:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 242 states have (on average 1.3181818181818181) internal successors, (319), 247 states have internal predecessors, (319), 111 states have call successors, (111), 41 states have call predecessors, (111), 39 states have return successors, (111), 106 states have call predecessors, (111), 110 states have call successors, (111) [2022-11-23 15:45:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 541 transitions. [2022-11-23 15:45:31,326 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 541 transitions. Word has length 94 [2022-11-23 15:45:31,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:45:31,327 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 541 transitions. [2022-11-23 15:45:31,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 38 states have (on average 1.236842105263158) internal successors, (47), 35 states have internal predecessors, (47), 19 states have call successors, (21), 13 states have call predecessors, (21), 10 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2022-11-23 15:45:31,328 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 541 transitions. [2022-11-23 15:45:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-23 15:45:31,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:45:31,330 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:45:31,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 15:45:31,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:45:31,539 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:45:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:45:31,539 INFO L85 PathProgramCache]: Analyzing trace with hash 570600945, now seen corresponding path program 1 times [2022-11-23 15:45:31,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:45:31,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854091409] [2022-11-23 15:45:31,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:31,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:45:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:45:31,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:31,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854091409] [2022-11-23 15:45:31,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854091409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:31,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:45:31,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:45:31,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096456179] [2022-11-23 15:45:31,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:31,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:45:31,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:31,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:45:31,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:45:31,653 INFO L87 Difference]: Start difference. First operand 393 states and 541 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:45:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:45:32,282 INFO L93 Difference]: Finished difference Result 888 states and 1262 transitions. [2022-11-23 15:45:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:45:32,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-23 15:45:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:45:32,287 INFO L225 Difference]: With dead ends: 888 [2022-11-23 15:45:32,288 INFO L226 Difference]: Without dead ends: 521 [2022-11-23 15:45:32,289 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 15:45:32,290 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 57 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:45:32,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 583 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:45:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2022-11-23 15:45:32,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 514. [2022-11-23 15:45:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 332 states have (on average 1.3825301204819278) internal successors, (459), 337 states have internal predecessors, (459), 142 states have call successors, (142), 41 states have call predecessors, (142), 39 states have return successors, (142), 137 states have call predecessors, (142), 141 states have call successors, (142) [2022-11-23 15:45:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 743 transitions. [2022-11-23 15:45:32,641 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 743 transitions. Word has length 99 [2022-11-23 15:45:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:45:32,642 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 743 transitions. [2022-11-23 15:45:32,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:45:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 743 transitions. [2022-11-23 15:45:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-23 15:45:32,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:45:32,646 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:45:32,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:45:32,647 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:45:32,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:45:32,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1041481544, now seen corresponding path program 1 times [2022-11-23 15:45:32,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:45:32,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877319081] [2022-11-23 15:45:32,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:32,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:45:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:45:32,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:32,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877319081] [2022-11-23 15:45:32,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877319081] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:45:32,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800032741] [2022-11-23 15:45:32,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:32,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:45:32,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:45:32,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:45:32,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a243b47d-9559-4c40-9f51-7b1434cca238/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:45:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:33,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:45:33,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:45:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:45:33,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:45:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:45:33,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800032741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:45:33,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [749045592] [2022-11-23 15:45:33,429 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2022-11-23 15:45:33,429 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:45:33,430 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:45:33,430 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:45:33,430 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:46:13,465 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-23 15:46:13,854 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-23 15:46:14,167 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:46:59,080 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 490 DAG size of output: 316 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:04,624 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 502 DAG size of output: 315 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:12,798 WARN L233 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 512 DAG size of output: 339 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:25,994 WARN L233 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 593 DAG size of output: 335 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:32,202 WARN L233 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 562 DAG size of output: 333 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:42,394 WARN L233 SmtUtils]: Spent 9.87s on a formula simplification. DAG size of input: 572 DAG size of output: 410 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:52,702 WARN L233 SmtUtils]: Spent 9.95s on a formula simplification. DAG size of input: 568 DAG size of output: 406 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)