./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/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_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 03:45:21,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:45:21,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:45:21,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:45:21,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:45:21,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:45:21,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:45:21,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:45:21,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:45:21,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:45:21,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:45:21,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:45:21,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:45:21,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:45:21,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:45:21,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:45:21,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:45:21,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:45:21,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:45:21,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:45:21,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:45:21,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:45:21,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:45:21,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:45:21,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:45:21,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:45:21,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:45:21,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:45:21,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:45:21,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:45:21,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:45:21,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:45:21,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:45:21,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:45:21,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:45:21,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:45:21,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:45:21,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:45:21,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:45:21,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:45:21,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:45:21,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:45:21,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:45:21,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:45:21,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:45:21,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:45:21,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:45:21,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:45:21,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:45:21,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:45:21,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:45:21,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:45:21,372 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:45:21,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:45:21,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:45:21,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:45:21,372 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:45:21,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:45:21,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:45:21,373 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:45:21,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:45:21,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:45:21,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:45:21,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:45:21,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:45:21,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:45:21,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:45:21,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:45:21,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:45:21,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:45:21,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:45:21,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:45:21,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:45:21,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:45:21,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:21,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:45:21,379 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:45:21,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:45:21,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:45:21,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:45:21,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:45:21,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:45:21,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:45:21,381 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_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b1644ee409dd7fb9188781699149bb283de125dad063a54175775584b617862 [2022-11-03 03:45:21,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:45:21,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:45:21,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:45:21,714 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:45:21,715 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:45:21,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/email_spec6_product35.cil.c [2022-11-03 03:45:21,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/data/b7d0556c0/b040d81898e7473e98b2dc306499c711/FLAGa6c7d6cc6 [2022-11-03 03:45:22,568 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:45:22,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/sv-benchmarks/c/product-lines/email_spec6_product35.cil.c [2022-11-03 03:45:22,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/data/b7d0556c0/b040d81898e7473e98b2dc306499c711/FLAGa6c7d6cc6 [2022-11-03 03:45:22,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/data/b7d0556c0/b040d81898e7473e98b2dc306499c711 [2022-11-03 03:45:22,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:45:22,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:45:22,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:22,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:45:22,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:45:22,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:22" (1/1) ... [2022-11-03 03:45:22,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4815de36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:22, skipping insertion in model container [2022-11-03 03:45:22,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:22" (1/1) ... [2022-11-03 03:45:22,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:45:22,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:45:23,309 WARN L230 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_588f5a9a-3b39-491e-ba28-a04672987db0/sv-benchmarks/c/product-lines/email_spec6_product35.cil.c[24735,24748] [2022-11-03 03:45:23,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:45:23,523 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:45:23,566 WARN L230 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_588f5a9a-3b39-491e-ba28-a04672987db0/sv-benchmarks/c/product-lines/email_spec6_product35.cil.c[24735,24748] [2022-11-03 03:45:23,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:45:23,671 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:45:23,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23 WrapperNode [2022-11-03 03:45:23,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:23,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:45:23,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:45:23,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:45:23,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,804 INFO L138 Inliner]: procedures = 138, calls = 254, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1175 [2022-11-03 03:45:23,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:45:23,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:45:23,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:45:23,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:45:23,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:45:23,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:45:23,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:45:23,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:45:23,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (1/1) ... [2022-11-03 03:45:23,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:23,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:23,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:45:23,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:45:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-03 03:45:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-03 03:45:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-03 03:45:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-03 03:45:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-03 03:45:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-03 03:45:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-03 03:45:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-03 03:45:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-03 03:45:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-03 03:45:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-03 03:45:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-03 03:45:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-11-03 03:45:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-11-03 03:45:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-03 03:45:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-03 03:45:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-03 03:45:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-03 03:45:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-03 03:45:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-03 03:45:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-03 03:45:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-03 03:45:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-03 03:45:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-03 03:45:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-03 03:45:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-03 03:45:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-03 03:45:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-03 03:45:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-03 03:45:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2022-11-03 03:45:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2022-11-03 03:45:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-03 03:45:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-03 03:45:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:45:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-03 03:45:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-03 03:45:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-03 03:45:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-03 03:45:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-03 03:45:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-03 03:45:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-03 03:45:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-03 03:45:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-03 03:45:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-03 03:45:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-03 03:45:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-03 03:45:24,032 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-03 03:45:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-03 03:45:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-03 03:45:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-03 03:45:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-03 03:45:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-03 03:45:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-03 03:45:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-03 03:45:24,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-03 03:45:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-03 03:45:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:45:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-03 03:45:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-03 03:45:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-03 03:45:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-03 03:45:24,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:45:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:45:24,316 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:45:24,318 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:45:25,522 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:45:26,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:45:26,252 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:45:26,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:45:26 BoogieIcfgContainer [2022-11-03 03:45:26,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:45:26,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:45:26,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:45:26,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:45:26,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:45:22" (1/3) ... [2022-11-03 03:45:26,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1b3327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:45:26, skipping insertion in model container [2022-11-03 03:45:26,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:23" (2/3) ... [2022-11-03 03:45:26,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1b3327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:45:26, skipping insertion in model container [2022-11-03 03:45:26,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:45:26" (3/3) ... [2022-11-03 03:45:26,268 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product35.cil.c [2022-11-03 03:45:26,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:45:26,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:45:26,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:45:26,403 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;@31bc1459, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:45:26,404 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:45:26,413 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) [2022-11-03 03:45:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-03 03:45:26,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:26,443 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] [2022-11-03 03:45:26,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:26,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:26,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1890192122, now seen corresponding path program 1 times [2022-11-03 03:45:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:26,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567937935] [2022-11-03 03:45:26,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:26,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:45:26,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:26,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567937935] [2022-11-03 03:45:26,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567937935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:26,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:26,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:45:26,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380248922] [2022-11-03 03:45:26,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:26,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:45:26,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:26,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:45:26,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:45:26,954 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) [2022-11-03 03:45:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:27,181 INFO L93 Difference]: Finished difference Result 400 states and 533 transitions. [2022-11-03 03:45:27,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:45:27,183 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 [2022-11-03 03:45:27,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:27,204 INFO L225 Difference]: With dead ends: 400 [2022-11-03 03:45:27,205 INFO L226 Difference]: Without dead ends: 243 [2022-11-03 03:45:27,215 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 [2022-11-03 03:45:27,228 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:27,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:45:27,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-11-03 03:45:27,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2022-11-03 03:45:27,322 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) [2022-11-03 03:45:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 324 transitions. [2022-11-03 03:45:27,328 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 324 transitions. Word has length 87 [2022-11-03 03:45:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:27,330 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 324 transitions. [2022-11-03 03:45:27,330 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) [2022-11-03 03:45:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 324 transitions. [2022-11-03 03:45:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 03:45:27,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:27,335 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] [2022-11-03 03:45:27,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:45:27,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 667424174, now seen corresponding path program 1 times [2022-11-03 03:45:27,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:27,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996792241] [2022-11-03 03:45:27,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:27,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:45:27,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:27,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996792241] [2022-11-03 03:45:27,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996792241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:27,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:27,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:45:27,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848130946] [2022-11-03 03:45:27,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:27,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:45:27,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:27,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:45:27,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:45:27,677 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) [2022-11-03 03:45:27,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:27,852 INFO L93 Difference]: Finished difference Result 396 states and 518 transitions. [2022-11-03 03:45:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:27,853 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 [2022-11-03 03:45:27,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:27,856 INFO L225 Difference]: With dead ends: 396 [2022-11-03 03:45:27,856 INFO L226 Difference]: Without dead ends: 245 [2022-11-03 03:45:27,858 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 [2022-11-03 03:45:27,859 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 0 mSDsluCounter, 321 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:27,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 553 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:45:27,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-11-03 03:45:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2022-11-03 03:45:27,879 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) [2022-11-03 03:45:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 326 transitions. [2022-11-03 03:45:27,882 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 326 transitions. Word has length 88 [2022-11-03 03:45:27,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:27,883 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 326 transitions. [2022-11-03 03:45:27,883 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) [2022-11-03 03:45:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 326 transitions. [2022-11-03 03:45:27,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 03:45:27,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:27,887 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] [2022-11-03 03:45:27,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:45:27,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:27,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:27,888 INFO L85 PathProgramCache]: Analyzing trace with hash 845496376, now seen corresponding path program 1 times [2022-11-03 03:45:27,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:27,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251946325] [2022-11-03 03:45:27,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:27,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:45:28,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:28,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251946325] [2022-11-03 03:45:28,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251946325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:28,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:28,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:45:28,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930251140] [2022-11-03 03:45:28,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:28,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:45:28,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:28,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:45:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:45:28,102 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) [2022-11-03 03:45:28,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:28,330 INFO L93 Difference]: Finished difference Result 525 states and 719 transitions. [2022-11-03 03:45:28,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:28,331 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 [2022-11-03 03:45:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:28,335 INFO L225 Difference]: With dead ends: 525 [2022-11-03 03:45:28,336 INFO L226 Difference]: Without dead ends: 298 [2022-11-03 03:45:28,337 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 [2022-11-03 03:45:28,344 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 59 mSDsluCounter, 317 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:28,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 571 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:45:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-11-03 03:45:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 293. [2022-11-03 03:45:28,384 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) [2022-11-03 03:45:28,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 409 transitions. [2022-11-03 03:45:28,388 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 409 transitions. Word has length 104 [2022-11-03 03:45:28,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:28,388 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 409 transitions. [2022-11-03 03:45:28,388 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) [2022-11-03 03:45:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 409 transitions. [2022-11-03 03:45:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 03:45:28,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:28,398 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] [2022-11-03 03:45:28,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:45:28,398 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:28,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:28,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1367202788, now seen corresponding path program 1 times [2022-11-03 03:45:28,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:28,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282438924] [2022-11-03 03:45:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:28,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:45:28,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:28,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282438924] [2022-11-03 03:45:28,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282438924] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:28,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459297678] [2022-11-03 03:45:28,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:28,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:28,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:28,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:28,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:45:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:29,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:45:29,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:45:29,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:45:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:45:29,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459297678] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:45:29,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2040130818] [2022-11-03 03:45:29,340 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2022-11-03 03:45:29,341 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:45:29,345 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:45:29,350 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:45:29,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:46:06,382 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-03 03:46:06,682 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 273 for LOIs [2022-11-03 03:46:08,876 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-03 03:46:09,300 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 275 for LOIs [2022-11-03 03:46:12,727 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 241 for LOIs [2022-11-03 03:46:12,768 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 233 for LOIs [2022-11-03 03:46:12,806 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 241 for LOIs [2022-11-03 03:46:12,855 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 258 for LOIs [2022-11-03 03:46:12,919 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:46:52,060 WARN L234 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 490 DAG size of output: 316 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:46:57,413 WARN L234 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 502 DAG size of output: 315 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:47:05,316 WARN L234 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 512 DAG size of output: 339 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:47:21,158 WARN L234 SmtUtils]: Spent 13.33s on a formula simplification. DAG size of input: 574 DAG size of output: 439 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:47:27,761 WARN L234 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 566 DAG size of output: 353 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:47:34,389 WARN L234 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 562 DAG size of output: 349 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:47:41,083 WARN L234 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 568 DAG size of output: 355 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:48:13,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2040130818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:13,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:48:13,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [4, 4, 4] total 46 [2022-11-03 03:48:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867874058] [2022-11-03 03:48:13,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:13,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-03 03:48:13,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:48:13,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-03 03:48:13,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1956, Unknown=0, NotChecked=0, Total=2070 [2022-11-03 03:48:13,627 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) [2022-11-03 03:48:26,105 WARN L234 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 496 DAG size of output: 387 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:48:32,618 WARN L234 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 535 DAG size of output: 373 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:48:39,124 WARN L234 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 531 DAG size of output: 369 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:48:45,845 WARN L234 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 538 DAG size of output: 374 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:48:52,518 WARN L234 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 530 DAG size of output: 370 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:49:00,094 WARN L234 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 563 DAG size of output: 362 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:49:06,691 WARN L234 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 534 DAG size of output: 374 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:49:13,968 WARN L234 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 537 DAG size of output: 375 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:49:44,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:44,417 INFO L93 Difference]: Finished difference Result 716 states and 1069 transitions. [2022-11-03 03:49:44,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-03 03:49:44,418 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 [2022-11-03 03:49:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:44,421 INFO L225 Difference]: With dead ends: 716 [2022-11-03 03:49:44,422 INFO L226 Difference]: Without dead ends: 441 [2022-11-03 03:49:44,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 181.4s TimeCoverageRelationStatistics Valid=198, Invalid=2994, Unknown=0, NotChecked=0, Total=3192 [2022-11-03 03:49:44,425 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 361 mSDsluCounter, 6367 mSDsCounter, 0 mSdLazyCounter, 7036 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 6490 SdHoareTripleChecker+Invalid, 7076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 7036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:44,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 6490 Invalid, 7076 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [40 Valid, 7036 Invalid, 0 Unknown, 0 Unchecked, 29.4s Time] [2022-11-03 03:49:44,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-11-03 03:49:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 340. [2022-11-03 03:49:44,615 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) [2022-11-03 03:49:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 470 transitions. [2022-11-03 03:49:44,618 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 470 transitions. Word has length 105 [2022-11-03 03:49:44,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:44,618 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 470 transitions. [2022-11-03 03:49:44,619 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) [2022-11-03 03:49:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 470 transitions. [2022-11-03 03:49:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 03:49:44,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:44,622 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] [2022-11-03 03:49:44,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:49:44,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:49:44,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:44,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash 836784590, now seen corresponding path program 1 times [2022-11-03 03:49:44,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:44,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228984168] [2022-11-03 03:49:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:44,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:49:45,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:45,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228984168] [2022-11-03 03:49:45,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228984168] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:49:45,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760673102] [2022-11-03 03:49:45,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:45,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:49:45,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:49:45,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:49:45,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:49:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:45,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:49:45,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:49:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:49:45,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:49:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:49:45,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760673102] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:49:45,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1962557496] [2022-11-03 03:49:45,488 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2022-11-03 03:49:45,488 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:49:45,489 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:49:45,490 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:49:45,490 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:50:17,800 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 444 for LOIs [2022-11-03 03:50:18,091 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 273 for LOIs [2022-11-03 03:50:19,965 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 241 for LOIs [2022-11-03 03:50:20,006 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-03 03:50:20,297 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 273 for LOIs [2022-11-03 03:50:23,615 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 283 for LOIs [2022-11-03 03:50:34,946 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 231 for LOIs [2022-11-03 03:50:34,983 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 253 for LOIs [2022-11-03 03:50:35,059 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 427 for LOIs [2022-11-03 03:50:35,289 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 477 for LOIs [2022-11-03 03:50:37,192 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 255 for LOIs [2022-11-03 03:50:37,236 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 258 for LOIs [2022-11-03 03:50:37,284 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:50:50,846 WARN L234 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 444 DAG size of output: 243 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:50:56,575 WARN L234 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 467 DAG size of output: 263 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:51:20,456 WARN L234 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 490 DAG size of output: 316 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:51:33,667 WARN L234 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 512 DAG size of output: 339 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:51:49,715 WARN L234 SmtUtils]: Spent 13.47s on a formula simplification. DAG size of input: 574 DAG size of output: 439 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:51:56,339 WARN L234 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 566 DAG size of output: 353 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:52:03,067 WARN L234 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 562 DAG size of output: 349 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:52:09,738 WARN L234 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 568 DAG size of output: 355 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:52:22,291 WARN L234 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 477 DAG size of output: 283 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:53:09,554 WARN L234 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 475 DAG size of output: 338 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:53:20,474 WARN L234 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 481 DAG size of output: 348 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:53:26,717 WARN L234 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 483 DAG size of output: 350 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:53:34,752 WARN L234 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 525 DAG size of output: 373 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:53:53,291 WARN L234 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 545 DAG size of output: 373 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:53:58,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1962557496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:53:58,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:53:58,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [4, 4, 4] total 65 [2022-11-03 03:53:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826052402] [2022-11-03 03:53:58,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:53:58,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-03 03:53:58,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:53:58,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-03 03:53:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3995, Unknown=0, NotChecked=0, Total=4160 [2022-11-03 03:53:58,117 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) [2022-11-03 03:54:11,650 WARN L234 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 496 DAG size of output: 387 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:54:18,307 WARN L234 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 535 DAG size of output: 373 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:54:25,037 WARN L234 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 531 DAG size of output: 369 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:54:32,000 WARN L234 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 538 DAG size of output: 374 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:54:38,954 WARN L234 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 530 DAG size of output: 370 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:54:46,964 WARN L234 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 563 DAG size of output: 362 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:54:53,717 WARN L234 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 534 DAG size of output: 374 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:55:01,454 WARN L234 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 537 DAG size of output: 375 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:56:05,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:56:05,065 INFO L93 Difference]: Finished difference Result 646 states and 913 transitions. [2022-11-03 03:56:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-03 03:56:05,068 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 [2022-11-03 03:56:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:56:05,073 INFO L225 Difference]: With dead ends: 646 [2022-11-03 03:56:05,073 INFO L226 Difference]: Without dead ends: 502 [2022-11-03 03:56:05,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1382 ImplicationChecksByTransitivity, 281.1s TimeCoverageRelationStatistics Valid=283, Invalid=6197, Unknown=0, NotChecked=0, Total=6480 [2022-11-03 03:56:05,080 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 434 mSDsluCounter, 8513 mSDsCounter, 0 mSdLazyCounter, 11116 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 8549 SdHoareTripleChecker+Invalid, 11156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 11116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:56:05,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 8549 Invalid, 11156 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [40 Valid, 11116 Invalid, 0 Unknown, 0 Unchecked, 45.5s Time] [2022-11-03 03:56:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2022-11-03 03:56:05,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 393. [2022-11-03 03:56:05,288 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) [2022-11-03 03:56:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 541 transitions. [2022-11-03 03:56:05,292 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 541 transitions. Word has length 94 [2022-11-03 03:56:05,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:56:05,292 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 541 transitions. [2022-11-03 03:56:05,293 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) [2022-11-03 03:56:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 541 transitions. [2022-11-03 03:56:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 03:56:05,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:56:05,295 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] [2022-11-03 03:56:05,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 03:56:05,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:56:05,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:56:05,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:56:05,507 INFO L85 PathProgramCache]: Analyzing trace with hash 570600945, now seen corresponding path program 1 times [2022-11-03 03:56:05,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:56:05,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517885841] [2022-11-03 03:56:05,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:05,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:56:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:56:05,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:56:05,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517885841] [2022-11-03 03:56:05,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517885841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:56:05,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:56:05,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:56:05,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009677813] [2022-11-03 03:56:05,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:56:05,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:56:05,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:56:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:56:05,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:56:05,668 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) [2022-11-03 03:56:06,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:56:06,305 INFO L93 Difference]: Finished difference Result 888 states and 1262 transitions. [2022-11-03 03:56:06,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:56:06,306 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 [2022-11-03 03:56:06,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:56:06,312 INFO L225 Difference]: With dead ends: 888 [2022-11-03 03:56:06,312 INFO L226 Difference]: Without dead ends: 521 [2022-11-03 03:56:06,314 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 [2022-11-03 03:56:06,318 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 57 mSDsluCounter, 323 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 [2022-11-03 03:56:06,319 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] [2022-11-03 03:56:06,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2022-11-03 03:56:06,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 514. [2022-11-03 03:56:06,665 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) [2022-11-03 03:56:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 743 transitions. [2022-11-03 03:56:06,669 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 743 transitions. Word has length 99 [2022-11-03 03:56:06,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:56:06,670 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 743 transitions. [2022-11-03 03:56:06,670 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) [2022-11-03 03:56:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 743 transitions. [2022-11-03 03:56:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 03:56:06,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:56:06,674 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] [2022-11-03 03:56:06,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:56:06,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:56:06,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:56:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1041481544, now seen corresponding path program 1 times [2022-11-03 03:56:06,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:56:06,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299314167] [2022-11-03 03:56:06,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:06,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:56:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:56:06,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:56:06,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299314167] [2022-11-03 03:56:06,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299314167] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:56:06,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596173246] [2022-11-03 03:56:06,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:56:06,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:56:06,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:56:06,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:56:06,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588f5a9a-3b39-491e-ba28-a04672987db0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:56:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:56:07,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:56:07,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:56:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:56:07,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:56:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:56:07,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596173246] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:56:07,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1544370900] [2022-11-03 03:56:07,304 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2022-11-03 03:56:07,304 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:56:07,305 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:56:07,305 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:56:07,305 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:56:46,980 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-03 03:56:47,283 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-03 03:56:47,586 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:57:29,655 WARN L234 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 490 DAG size of output: 316 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:57:35,005 WARN L234 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 502 DAG size of output: 315 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:57:43,018 WARN L234 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 512 DAG size of output: 339 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:58:01,774 WARN L234 SmtUtils]: Spent 17.09s on a formula simplification. DAG size of input: 593 DAG size of output: 335 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)