./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f844ee25e08c400ffe9294b51b3c9849047d932ed3d2e45badb4ba2d0884ce06 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:51:16,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:51:16,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:51:16,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:51:16,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:51:16,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:51:16,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:51:16,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:51:16,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:51:16,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:51:17,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:51:17,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:51:17,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:51:17,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:51:17,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:51:17,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:51:17,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:51:17,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:51:17,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:51:17,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:51:17,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:51:17,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:51:17,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:51:17,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:51:17,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:51:17,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:51:17,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:51:17,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:51:17,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:51:17,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:51:17,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:51:17,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:51:17,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:51:17,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:51:17,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:51:17,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:51:17,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:51:17,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:51:17,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:51:17,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:51:17,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:51:17,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 10:51:17,040 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:51:17,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:51:17,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:51:17,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:51:17,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:51:17,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:51:17,041 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:51:17,042 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:51:17,042 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:51:17,042 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:51:17,042 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:51:17,042 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:51:17,042 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:51:17,042 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:51:17,043 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:51:17,043 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:51:17,043 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:51:17,043 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:51:17,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:51:17,044 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:51:17,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:51:17,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:51:17,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:51:17,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:51:17,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:51:17,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:51:17,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:51:17,045 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:51:17,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:51:17,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:51:17,046 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:51:17,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:51:17,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:51:17,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:51:17,046 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_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f844ee25e08c400ffe9294b51b3c9849047d932ed3d2e45badb4ba2d0884ce06 [2022-12-14 10:51:17,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:51:17,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:51:17,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:51:17,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:51:17,232 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:51:17,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/product-lines/email_spec3_product32.cil.c [2022-12-14 10:51:19,909 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:51:20,158 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:51:20,159 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/sv-benchmarks/c/product-lines/email_spec3_product32.cil.c [2022-12-14 10:51:20,176 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/data/373e88138/c9a7077734594aa5bdf33829a7c90ccd/FLAGfd76ba5b4 [2022-12-14 10:51:20,187 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/data/373e88138/c9a7077734594aa5bdf33829a7c90ccd [2022-12-14 10:51:20,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:51:20,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:51:20,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:51:20,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:51:20,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:51:20,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a6a061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20, skipping insertion in model container [2022-12-14 10:51:20,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:51:20,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:51:20,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/sv-benchmarks/c/product-lines/email_spec3_product32.cil.c[1542,1555] [2022-12-14 10:51:20,512 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,520 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,520 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,522 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,532 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,556 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,557 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,621 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,622 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,625 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:51:20,685 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:51:20,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/sv-benchmarks/c/product-lines/email_spec3_product32.cil.c[1542,1555] [2022-12-14 10:51:20,696 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,698 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,698 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,699 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,702 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,708 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,709 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,728 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,729 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,730 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 10:51:20,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:51:20,768 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:51:20,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20 WrapperNode [2022-12-14 10:51:20,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:51:20,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:51:20,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:51:20,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:51:20,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,821 INFO L138 Inliner]: procedures = 135, calls = 246, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 1019 [2022-12-14 10:51:20,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:51:20,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:51:20,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:51:20,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:51:20,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:51:20,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:51:20,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:51:20,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:51:20,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (1/1) ... [2022-12-14 10:51:20,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:51:20,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:51:20,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:51:20,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:51:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-12-14 10:51:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-12-14 10:51:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-12-14 10:51:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-12-14 10:51:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-12-14 10:51:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-12-14 10:51:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-12-14 10:51:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-12-14 10:51:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-12-14 10:51:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-12-14 10:51:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-12-14 10:51:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-12-14 10:51:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-12-14 10:51:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-12-14 10:51:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-12-14 10:51:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-12-14 10:51:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-12-14 10:51:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-12-14 10:51:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-12-14 10:51:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-12-14 10:51:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-12-14 10:51:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-12-14 10:51:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-12-14 10:51:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-12-14 10:51:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-12-14 10:51:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-12-14 10:51:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-12-14 10:51:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-12-14 10:51:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-12-14 10:51:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-12-14 10:51:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-12-14 10:51:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:51:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-12-14 10:51:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-12-14 10:51:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-12-14 10:51:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-12-14 10:51:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-12-14 10:51:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-12-14 10:51:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-12-14 10:51:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-12-14 10:51:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2022-12-14 10:51:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2022-12-14 10:51:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-12-14 10:51:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-12-14 10:51:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-12-14 10:51:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-12-14 10:51:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-12-14 10:51:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-12-14 10:51:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-12-14 10:51:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-12-14 10:51:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-12-14 10:51:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-12-14 10:51:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-12-14 10:51:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-12-14 10:51:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-12-14 10:51:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-12-14 10:51:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:51:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-12-14 10:51:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-12-14 10:51:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-12-14 10:51:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-12-14 10:51:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:51:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:51:21,123 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:51:21,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:51:21,704 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:51:22,126 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:51:22,126 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 10:51:22,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:51:22 BoogieIcfgContainer [2022-12-14 10:51:22,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:51:22,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:51:22,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:51:22,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:51:22,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:51:20" (1/3) ... [2022-12-14 10:51:22,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2817fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:51:22, skipping insertion in model container [2022-12-14 10:51:22,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:51:20" (2/3) ... [2022-12-14 10:51:22,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2817fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:51:22, skipping insertion in model container [2022-12-14 10:51:22,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:51:22" (3/3) ... [2022-12-14 10:51:22,134 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product32.cil.c [2022-12-14 10:51:22,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:51:22,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:51:22,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:51:22,195 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;@5793ce96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:51:22,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:51:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 229 states, 128 states have (on average 1.3046875) internal successors, (167), 135 states have internal predecessors, (167), 70 states have call successors, (70), 29 states have call predecessors, (70), 29 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2022-12-14 10:51:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 10:51:22,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:51:22,212 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] [2022-12-14 10:51:22,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:51:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:51:22,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1199874536, now seen corresponding path program 1 times [2022-12-14 10:51:22,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:51:22,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864345373] [2022-12-14 10:51:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:51:22,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:51:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:51:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 10:51:22,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:51:22,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864345373] [2022-12-14 10:51:22,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864345373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:51:22,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:51:22,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 10:51:22,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561383230] [2022-12-14 10:51:22,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:51:22,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:51:22,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:51:22,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:51:22,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:51:22,498 INFO L87 Difference]: Start difference. First operand has 229 states, 128 states have (on average 1.3046875) internal successors, (167), 135 states have internal predecessors, (167), 70 states have call successors, (70), 29 states have call predecessors, (70), 29 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:51:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:51:22,629 INFO L93 Difference]: Finished difference Result 365 states and 485 transitions. [2022-12-14 10:51:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:51:22,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 101 [2022-12-14 10:51:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:51:22,638 INFO L225 Difference]: With dead ends: 365 [2022-12-14 10:51:22,639 INFO L226 Difference]: Without dead ends: 225 [2022-12-14 10:51:22,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:51:22,644 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:51:22,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:51:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-12-14 10:51:22,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2022-12-14 10:51:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 131 states have internal predecessors, (161), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-12-14 10:51:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2022-12-14 10:51:22,685 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 101 [2022-12-14 10:51:22,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:51:22,686 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2022-12-14 10:51:22,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:51:22,687 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2022-12-14 10:51:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 10:51:22,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:51:22,690 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] [2022-12-14 10:51:22,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:51:22,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:51:22,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:51:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash -364120284, now seen corresponding path program 1 times [2022-12-14 10:51:22,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:51:22,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734309132] [2022-12-14 10:51:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:51:22,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:51:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:51:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 10:51:22,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:51:22,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734309132] [2022-12-14 10:51:22,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734309132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:51:22,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:51:22,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:51:22,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63586047] [2022-12-14 10:51:22,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:51:22,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:51:22,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:51:22,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:51:22,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:51:22,868 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:51:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:51:22,991 INFO L93 Difference]: Finished difference Result 360 states and 466 transitions. [2022-12-14 10:51:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:51:22,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 102 [2022-12-14 10:51:22,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:51:22,993 INFO L225 Difference]: With dead ends: 360 [2022-12-14 10:51:22,993 INFO L226 Difference]: Without dead ends: 227 [2022-12-14 10:51:22,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:51:22,995 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 0 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:51:22,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 513 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:51:22,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-12-14 10:51:23,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-12-14 10:51:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 128 states have (on average 1.2734375) internal successors, (163), 133 states have internal predecessors, (163), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-12-14 10:51:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 300 transitions. [2022-12-14 10:51:23,010 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 300 transitions. Word has length 102 [2022-12-14 10:51:23,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:51:23,010 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 300 transitions. [2022-12-14 10:51:23,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:51:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 300 transitions. [2022-12-14 10:51:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 10:51:23,013 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:51:23,013 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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] [2022-12-14 10:51:23,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:51:23,014 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:51:23,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:51:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash 254943177, now seen corresponding path program 1 times [2022-12-14 10:51:23,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:51:23,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839104247] [2022-12-14 10:51:23,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:51:23,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:51:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:51:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:51:23,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:51:23,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839104247] [2022-12-14 10:51:23,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839104247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:51:23,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:51:23,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:51:23,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55833600] [2022-12-14 10:51:23,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:51:23,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:51:23,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:51:23,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:51:23,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:51:23,102 INFO L87 Difference]: Start difference. First operand 227 states and 300 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:51:23,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:51:23,222 INFO L93 Difference]: Finished difference Result 489 states and 667 transitions. [2022-12-14 10:51:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:51:23,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 96 [2022-12-14 10:51:23,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:51:23,224 INFO L225 Difference]: With dead ends: 489 [2022-12-14 10:51:23,224 INFO L226 Difference]: Without dead ends: 280 [2022-12-14 10:51:23,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:51:23,225 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 59 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:51:23,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 529 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:51:23,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-12-14 10:51:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 275. [2022-12-14 10:51:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 162 states have (on average 1.345679012345679) internal successors, (218), 167 states have internal predecessors, (218), 84 states have call successors, (84), 29 states have call predecessors, (84), 28 states have return successors, (81), 80 states have call predecessors, (81), 81 states have call successors, (81) [2022-12-14 10:51:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 383 transitions. [2022-12-14 10:51:23,243 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 383 transitions. Word has length 96 [2022-12-14 10:51:23,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:51:23,243 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 383 transitions. [2022-12-14 10:51:23,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:51:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2022-12-14 10:51:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 10:51:23,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:51:23,246 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1] [2022-12-14 10:51:23,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:51:23,246 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:51:23,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:51:23,247 INFO L85 PathProgramCache]: Analyzing trace with hash -260302521, now seen corresponding path program 1 times [2022-12-14 10:51:23,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:51:23,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169249437] [2022-12-14 10:51:23,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:51:23,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:51:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:51:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 10:51:23,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:51:23,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169249437] [2022-12-14 10:51:23,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169249437] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:51:23,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696522657] [2022-12-14 10:51:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:51:23,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:51:23,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:51:23,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:51:23,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:51:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:51:23,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:51:23,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:51:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 10:51:23,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:51:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 10:51:23,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696522657] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:51:23,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [793429455] [2022-12-14 10:51:23,817 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2022-12-14 10:51:23,817 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:51:23,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:51:23,826 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:51:23,827 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:52:02,027 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-12-14 10:52:02,375 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 482 for LOIs [2022-12-14 10:52:42,595 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-12-14 10:52:42,973 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 480 for LOIs [2022-12-14 10:52:50,419 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 450 for LOIs [2022-12-14 10:52:50,733 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 438 for LOIs [2022-12-14 10:52:51,029 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 450 for LOIs [2022-12-14 10:52:51,334 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 257 for LOIs [2022-12-14 10:52:51,385 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:53:26,987 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 564 DAG size of output: 395 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:53:32,816 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 566 DAG size of output: 397 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:53:49,019 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 565 DAG size of output: 396 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:54:37,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [793429455] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:54:37,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:54:37,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [4, 4, 4] total 46 [2022-12-14 10:54:37,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098965406] [2022-12-14 10:54:37,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:54:37,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-12-14 10:54:37,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:54:37,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-12-14 10:54:37,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1951, Unknown=0, NotChecked=0, Total=2070 [2022-12-14 10:54:37,841 INFO L87 Difference]: Start difference. First operand 275 states and 383 transitions. Second operand has 41 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 25 states have internal predecessors, (51), 13 states have call successors, (25), 9 states have call predecessors, (25), 7 states have return successors, (21), 11 states have call predecessors, (21), 11 states have call successors, (21) [2022-12-14 10:55:19,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:19,824 INFO L93 Difference]: Finished difference Result 686 states and 1027 transitions. [2022-12-14 10:55:19,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-14 10:55:19,825 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 25 states have internal predecessors, (51), 13 states have call successors, (25), 9 states have call predecessors, (25), 7 states have return successors, (21), 11 states have call predecessors, (21), 11 states have call successors, (21) Word has length 108 [2022-12-14 10:55:19,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:19,827 INFO L225 Difference]: With dead ends: 686 [2022-12-14 10:55:19,827 INFO L226 Difference]: Without dead ends: 429 [2022-12-14 10:55:19,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 126.3s TimeCoverageRelationStatistics Valid=166, Invalid=2590, Unknown=0, NotChecked=0, Total=2756 [2022-12-14 10:55:19,830 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 293 mSDsluCounter, 5919 mSDsCounter, 0 mSdLazyCounter, 6485 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 6234 SdHoareTripleChecker+Invalid, 6511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 6485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:19,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 6234 Invalid, 6511 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [26 Valid, 6485 Invalid, 0 Unknown, 0 Unchecked, 21.6s Time] [2022-12-14 10:55:19,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-12-14 10:55:19,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 356. [2022-12-14 10:55:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 232 states have (on average 1.4137931034482758) internal successors, (328), 237 states have internal predecessors, (328), 90 states have call successors, (90), 36 states have call predecessors, (90), 33 states have return successors, (87), 84 states have call predecessors, (87), 87 states have call successors, (87) [2022-12-14 10:55:19,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 505 transitions. [2022-12-14 10:55:19,970 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 505 transitions. Word has length 108 [2022-12-14 10:55:19,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:19,970 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 505 transitions. [2022-12-14 10:55:19,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 25 states have internal predecessors, (51), 13 states have call successors, (25), 9 states have call predecessors, (25), 7 states have return successors, (21), 11 states have call predecessors, (21), 11 states have call successors, (21) [2022-12-14 10:55:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 505 transitions. [2022-12-14 10:55:19,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 10:55:19,974 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:19,974 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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] [2022-12-14 10:55:19,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:55:20,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-14 10:55:20,175 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:55:20,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:20,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2299657, now seen corresponding path program 1 times [2022-12-14 10:55:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:20,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220012427] [2022-12-14 10:55:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:55:20,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:20,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220012427] [2022-12-14 10:55:20,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220012427] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:55:20,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965909965] [2022-12-14 10:55:20,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:20,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:55:20,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:55:20,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:55:20,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:55:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:20,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 10:55:20,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:55:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:55:20,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:55:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:55:20,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965909965] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:55:20,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [195612627] [2022-12-14 10:55:20,631 INFO L159 IcfgInterpreter]: Started Sifa with 80 locations of interest [2022-12-14 10:55:20,631 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:55:20,632 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:55:20,632 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:55:20,632 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:55:45,956 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-12-14 10:55:46,276 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 272 for LOIs [2022-12-14 10:55:48,316 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 240 for LOIs [2022-12-14 10:55:48,361 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-12-14 10:55:48,686 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 272 for LOIs [2022-12-14 10:55:53,163 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 282 for LOIs [2022-12-14 10:56:15,682 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 249 for LOIs [2022-12-14 10:56:15,717 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 457 for LOIs [2022-12-14 10:56:16,357 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 445 for LOIs [2022-12-14 10:56:17,048 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 252 for LOIs [2022-12-14 10:56:17,094 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 250 for LOIs [2022-12-14 10:56:17,139 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 476 for LOIs [2022-12-14 10:56:19,172 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 254 for LOIs [2022-12-14 10:56:19,222 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 257 for LOIs [2022-12-14 10:56:19,273 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:56:59,170 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 566 DAG size of output: 402 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:57:27,788 WARN L233 SmtUtils]: Spent 6.90s on a formula simplification. DAG size of input: 457 DAG size of output: 351 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:57:34,952 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification. DAG size of input: 483 DAG size of output: 367 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:57:59,426 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 445 DAG size of output: 354 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:58:07,103 WARN L233 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 504 DAG size of output: 364 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:59:03,808 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6366#(and (= ~__ste_Client_Keyring1_User2~0 0) (= ~__GUIDSL_NON_TERMINAL_main~0 0) (= ~__ste_email_subject0~0.offset 0) (<= 0 ~__ste_email_encryptionKey1~0) (= ~__SELECTED_FEATURE_Sign~0 0) (= 0 ~__ste_Client_AddressBook0_Address2~0) (= ~__ste_client_outbuffer3~0 0) (= ~__ste_Client_counter~0 0) (= ~__ste_Client_Keyring1_PublicKey2~0 0) (<= ~__ste_email_encryptionKey1~0 0) (<= ~__ste_email_isSignatureVerified1~0 0) (= ~__ste_Client_AddressBook2_Alias0~0 0) (= 0 ~__ste_email_subject0~0.base) (= ~__ste_Client_AddressBook2_Alias1~0 0) (= ~__ste_Client_Keyring2_PublicKey2~0 0) (= ~__ste_client_forwardReceiver3~0 0) (= ~__ste_client_name2~0.offset 0) (= ~__ste_client_name1~0.base 0) (<= 0 ~__ste_client_autoResponse1~0) (= ~__SELECTED_FEATURE_Verify~0 0) (= ~__ste_Client_Keyring1_User0~0 0) (<= ~__ste_client_idCounter2~0 3) (<= ~queued_message~0 0) (<= ~__ste_email_isSignatureVerified0~0 0) (= ~__ste_email_body1~0.offset 0) (= ~__SELECTED_FEATURE_Encrypt~0 0) (= ~__ste_Client_AddressBook1_Address2~0 0) (<= ~__ste_email_from0~0 2147483647) (= ~__ste_ClientAddressBook_size1~0 0) (= ~__ste_Client_Keyring0_PublicKey0~0 0) (= ~__ste_Email_counter~0 0) (= ~__ste_ClientKeyring_size1~0 0) (= ~__ste_email_body0~0.offset 0) (<= 0 ~__ste_email_isSigned1~0) (<= 0 (+ ~__ste_email_from0~0 2147483648)) (= ~__ste_Client_Keyring0_User2~0 0) (= ~__ste_ClientAddressBook_size0~0 0) (= ~__ste_Client_Keyring0_User1~0 0) (= ~__ste_Client_AddressBook1_Alias1~0 0) (= ~__ste_client_name1~0.offset 0) (= ~head~0.offset 0) (= ~__ste_client_name0~0.offset 0) (= ~__ste_Client_Keyring0_PublicKey2~0 0) (= ~sent_signed~0 1) (<= ~__ste_client_privateKey2~0 789) (= ~__ste_Client_Keyring1_PublicKey0~0 0) (<= ~queue_empty~0 1) (= ~__SELECTED_FEATURE_Decrypt~0 0) (<= 0 (+ ~__ste_email_signKey0~0 2147483648)) (<= 0 ~__ste_email_isEncrypted1~0) (= ~__SELECTED_FEATURE_Keys~0 0) (<= ~__ste_email_signKey0~0 2147483647) (= ~__SELECTED_FEATURE_AddressBook~0 0) (= ~__ste_client_forwardReceiver2~0 0) (= ~__ste_Client_Keyring0_PublicKey1~0 0) (= ~__SELECTED_FEATURE_Forward~0 0) (<= 0 ~__ste_email_isEncrypted0~0) (= ~__ste_Client_Keyring0_User0~0 0) (<= ~__ste_client_idCounter0~0 2147483647) (= ~__ste_Client_Keyring2_PublicKey1~0 0) (= ~__ste_email_body0~0.base 0) (<= ~__ste_email_isSigned0~0 1) (<= ~__ste_email_isEncrypted0~0 0) (= ~__ste_Client_AddressBook0_Alias0~0 0) (= ~__ste_email_id0~0 0) (<= ~__ste_client_autoResponse0~0 0) (= ~__ste_Client_Keyring2_User1~0 0) (<= 3 ~__ste_client_idCounter2~0) (= ~__ste_Client_AddressBook2_Address2~0 0) (= 3 ~chuck~0) (= ~__ste_Client_AddressBook2_Address1~0 0) (<= 0 ~__ste_email_signKey1~0) (<= 1 ~queue_empty~0) (<= ~__ste_email_signKey1~0 0) (<= ~__ste_email_isSigned1~0 0) (= ~bob~0 1) (= ~__ste_client_forwardReceiver1~0 0) (<= 0 ~__ste_client_autoResponse0~0) (<= 0 ~queued_message~0) (= ~__ste_Client_AddressBook1_Alias2~0 0) (<= 0 ~__ste_email_isSignatureVerified1~0) (= ~__ste_client_outbuffer0~0 0) (<= 789 ~__ste_client_privateKey2~0) (= ~__SELECTED_FEATURE_Base~0 0) (= ~__ste_client_forwardReceiver0~0 0) (= ~__ste_Client_Keyring2_User0~0 0) (= ~rjh~0 2) (= 0 ~__ste_Client_AddressBook0_Address1~0) (= ~__ste_Client_AddressBook2_Address0~0 0) (= ~__ste_Client_Keyring1_PublicKey1~0 0) (<= 0 ~queued_client~0) (= ~__ste_Client_Keyring2_PublicKey0~0 0) (<= 0 ~__ste_email_isSignatureVerified0~0) (= ~__ste_Client_AddressBook1_Address0~0 0) (= ~__ste_client_name2~0.base 0) (<= ~__ste_email_encryptionKey0~0 0) (= ~__ste_email_subject1~0.base 0) (= ~__ste_Client_AddressBook1_Alias0~0 0) (= ~__ste_Client_Keyring2_User2~0 0) (= ~head~0.base 0) (= ~__ste_Client_Keyring1_User1~0 0) (= |#NULL.offset| 0) (= ~__ste_Client_AddressBook2_Alias2~0 0) (<= 0 ~__ste_email_isSigned0~0) (<= 0 ~__ste_client_autoResponse2~0) (= ~__ste_email_subject1~0.offset 0) (= ~__ste_Client_AddressBook0_Alias2~0 0) (= ~__ste_ClientKeyring_size0~0 0) (= ~__ste_Client_AddressBook1_Address1~0 0) (= 0 ~__ste_Client_AddressBook0_Address0~0) (= ~__ste_client_outbuffer1~0 0) (= ~__ste_Client_AddressBook0_Alias1~0 0) (<= ~__ste_email_isEncrypted1~0 0) (= ~__GUIDSL_ROOT_PRODUCTION~0 0) (= ~__ste_client_name0~0.base 0) (= ~__ste_email_id1~0 0) (= ~__ste_client_outbuffer2~0 0) (<= 0 (+ ~__ste_client_idCounter0~0 2147483648)) (<= 2 ~__ste_email_to0~0) (<= 0 |#StackHeapBarrier|) (<= ~__ste_email_to0~0 2) (= ~__ste_ClientAddressBook_size2~0 0) (= ~__SELECTED_FEATURE_AutoResponder~0 0) (<= ~__ste_client_autoResponse2~0 0) (= ~__ste_email_body1~0.base 0) (= ~__ste_ClientKeyring_size2~0 0) (<= 0 ~__ste_email_encryptionKey0~0) (= |#NULL.base| 0) (<= ~queued_client~0 0))' at error location [2022-12-14 10:59:03,808 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 10:59:03,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 10:59:03,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-14 10:59:03,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164703058] [2022-12-14 10:59:03,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 10:59:03,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 10:59:03,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:03,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 10:59:03,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=5459, Unknown=0, NotChecked=0, Total=5700 [2022-12-14 10:59:03,811 INFO L87 Difference]: Start difference. First operand 356 states and 505 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 10:59:04,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:04,358 INFO L93 Difference]: Finished difference Result 900 states and 1345 transitions. [2022-12-14 10:59:04,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:59:04,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 97 [2022-12-14 10:59:04,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:04,361 INFO L225 Difference]: With dead ends: 900 [2022-12-14 10:59:04,361 INFO L226 Difference]: Without dead ends: 746 [2022-12-14 10:59:04,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 215 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1357 ImplicationChecksByTransitivity, 164.5s TimeCoverageRelationStatistics Valid=241, Invalid=5459, Unknown=0, NotChecked=0, Total=5700 [2022-12-14 10:59:04,363 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 199 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:04,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1037 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:59:04,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-12-14 10:59:04,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 727. [2022-12-14 10:59:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 524 states have (on average 1.5) internal successors, (786), 529 states have internal predecessors, (786), 169 states have call successors, (169), 36 states have call predecessors, (169), 33 states have return successors, (166), 163 states have call predecessors, (166), 166 states have call successors, (166) [2022-12-14 10:59:04,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1121 transitions. [2022-12-14 10:59:04,684 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1121 transitions. Word has length 97 [2022-12-14 10:59:04,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:04,685 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1121 transitions. [2022-12-14 10:59:04,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 10:59:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1121 transitions. [2022-12-14 10:59:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-14 10:59:04,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:04,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:04,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 10:59:04,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:04,889 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:04,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:04,891 INFO L85 PathProgramCache]: Analyzing trace with hash 715171689, now seen corresponding path program 1 times [2022-12-14 10:59:04,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:04,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890516286] [2022-12-14 10:59:04,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:59:04,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:04,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890516286] [2022-12-14 10:59:04,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890516286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:04,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:04,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:04,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345448339] [2022-12-14 10:59:04,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:04,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:04,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:04,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:04,977 INFO L87 Difference]: Start difference. First operand 727 states and 1121 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:59:05,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:05,594 INFO L93 Difference]: Finished difference Result 1596 states and 2503 transitions. [2022-12-14 10:59:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:05,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2022-12-14 10:59:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:05,599 INFO L225 Difference]: With dead ends: 1596 [2022-12-14 10:59:05,600 INFO L226 Difference]: Without dead ends: 998 [2022-12-14 10:59:05,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:05,602 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 57 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:05,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 536 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 10:59:05,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2022-12-14 10:59:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 991. [2022-12-14 10:59:06,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 709 states have (on average 1.4922425952045133) internal successors, (1058), 714 states have internal predecessors, (1058), 248 states have call successors, (248), 36 states have call predecessors, (248), 33 states have return successors, (245), 242 states have call predecessors, (245), 245 states have call successors, (245) [2022-12-14 10:59:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1551 transitions. [2022-12-14 10:59:06,098 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1551 transitions. Word has length 112 [2022-12-14 10:59:06,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:06,098 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1551 transitions. [2022-12-14 10:59:06,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:59:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1551 transitions. [2022-12-14 10:59:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 10:59:06,101 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:06,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:06,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:59:06,101 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:59:06,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:06,102 INFO L85 PathProgramCache]: Analyzing trace with hash 355023092, now seen corresponding path program 1 times [2022-12-14 10:59:06,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:06,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282675017] [2022-12-14 10:59:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:06,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 10:59:07,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:07,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282675017] [2022-12-14 10:59:07,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282675017] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:59:07,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654150077] [2022-12-14 10:59:07,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:07,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:07,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:07,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:59:07,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358a9a70-edda-4f9c-a2e4-83ab3d4b9dd3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 10:59:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:07,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 133 conjunts are in the unsatisfiable core [2022-12-14 10:59:07,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:59:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 10:59:08,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:59:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 10:59:12,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654150077] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 10:59:12,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [699056762] [2022-12-14 10:59:12,214 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2022-12-14 10:59:12,214 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 10:59:12,215 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 10:59:12,215 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 10:59:12,215 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 10:59:46,193 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-12-14 10:59:46,516 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 269 for LOIs [2022-12-14 10:59:48,480 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 235 for LOIs [2022-12-14 10:59:48,519 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-12-14 10:59:48,825 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 269 for LOIs [2022-12-14 10:59:51,971 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 279 for LOIs [2022-12-14 11:00:15,463 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 246 for LOIs [2022-12-14 11:00:15,497 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 431 for LOIs [2022-12-14 11:00:15,765 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 450 for LOIs [2022-12-14 11:00:16,453 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 249 for LOIs [2022-12-14 11:00:16,500 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 247 for LOIs [2022-12-14 11:00:16,544 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 481 for LOIs [2022-12-14 11:00:18,520 INFO L197 IcfgInterpreter]: Interpreting procedure isSigned with input of size 251 for LOIs [2022-12-14 11:00:18,565 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 254 for LOIs [2022-12-14 11:00:18,614 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:01:20,978 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 549 DAG size of output: 420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:01:38,287 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 547 DAG size of output: 418 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:01:44,377 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 553 DAG size of output: 424 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:02:11,575 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 553 DAG size of output: 424 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:02:28,721 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 561 DAG size of output: 432 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:02:35,100 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 557 DAG size of output: 428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:02:41,070 WARN L233 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 563 DAG size of output: 434 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:02:47,246 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 559 DAG size of output: 430 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:02:59,142 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 561 DAG size of output: 432 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:03:06,070 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 567 DAG size of output: 438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:03:12,627 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 563 DAG size of output: 434 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:03:22,657 WARN L233 SmtUtils]: Spent 7.32s on a formula simplification. DAG size of input: 481 DAG size of output: 368 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:04:10,325 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification. DAG size of input: 450 DAG size of output: 355 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:04:18,951 WARN L233 SmtUtils]: Spent 7.43s on a formula simplification. DAG size of input: 509 DAG size of output: 365 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)