./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0 --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 50599b90019c0f8b15701a8959406dc5e052f09e6cd358b81cb6701fde5581e5 --- 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-e04fb08 [2022-11-16 20:14:00,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:14:00,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:14:00,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:14:00,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:14:00,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:14:00,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:14:00,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:14:00,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:14:00,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:14:00,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:14:00,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:14:00,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:14:00,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:14:00,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:14:00,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:14:00,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:14:00,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:14:00,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:14:00,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:14:00,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:14:00,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:14:00,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:14:00,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:14:00,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:14:00,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:14:00,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:14:00,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:14:00,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:14:00,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:14:00,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:14:00,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:14:00,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:14:00,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:14:00,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:14:00,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:14:00,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:14:00,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:14:00,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:14:00,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:14:00,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:14:00,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 20:14:00,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:14:00,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:14:00,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:14:00,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:14:00,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:14:00,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:14:00,647 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:14:00,648 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:14:00,648 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:14:00,648 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:14:00,649 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:14:00,649 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:14:00,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:14:00,649 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:14:00,650 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:14:00,650 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:14:00,650 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:14:00,650 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:14:00,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:14:00,651 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:14:00,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:14:00,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:14:00,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:14:00,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:14:00,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:14:00,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:14:00,653 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:14:00,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:14:00,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:14:00,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:14:00,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:14:00,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:14:00,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:14:00,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:14:00,655 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:14:00,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:14:00,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:14:00,656 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:14:00,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:14:00,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:14:00,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:14:00,657 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_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50599b90019c0f8b15701a8959406dc5e052f09e6cd358b81cb6701fde5581e5 [2022-11-16 20:14:00,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:14:00,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:14:00,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:14:00,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:14:00,954 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:14:00,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/product-lines/email_spec9_product32.cil.c [2022-11-16 20:14:01,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/data/ad51a5738/b0a15e322fd94e30b436aae665a155ff/FLAG902be4a52 [2022-11-16 20:14:01,678 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:14:01,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/sv-benchmarks/c/product-lines/email_spec9_product32.cil.c [2022-11-16 20:14:01,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/data/ad51a5738/b0a15e322fd94e30b436aae665a155ff/FLAG902be4a52 [2022-11-16 20:14:01,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/data/ad51a5738/b0a15e322fd94e30b436aae665a155ff [2022-11-16 20:14:01,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:14:01,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:14:01,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:14:01,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:14:01,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:14:01,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:14:01" (1/1) ... [2022-11-16 20:14:01,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c191c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:01, skipping insertion in model container [2022-11-16 20:14:01,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:14:01" (1/1) ... [2022-11-16 20:14:01,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:14:01,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:14:02,626 WARN L229 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_9dccd2c8-3d90-4b61-8c48-789cf93afed4/sv-benchmarks/c/product-lines/email_spec9_product32.cil.c[51167,51180] [2022-11-16 20:14:02,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:14:02,728 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:14:02,831 WARN L229 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_9dccd2c8-3d90-4b61-8c48-789cf93afed4/sv-benchmarks/c/product-lines/email_spec9_product32.cil.c[51167,51180] [2022-11-16 20:14:02,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:14:02,880 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:14:02,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02 WrapperNode [2022-11-16 20:14:02,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:14:02,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:14:02,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:14:02,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:14:02,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:02,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:02,996 INFO L138 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 62, calls inlined = 54, statements flattened = 1001 [2022-11-16 20:14:03,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:14:03,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:14:03,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:14:03,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:14:03,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:14:03,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:14:03,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:14:03,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:14:03,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (1/1) ... [2022-11-16 20:14:03,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:14:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:14:03,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:14:03,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:14:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-11-16 20:14:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-11-16 20:14:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-11-16 20:14:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-11-16 20:14:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-11-16 20:14:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-11-16 20:14:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-11-16 20:14:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-11-16 20:14:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-11-16 20:14:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-11-16 20:14:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-11-16 20:14:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-11-16 20:14:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-11-16 20:14:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-11-16 20:14:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-11-16 20:14:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-11-16 20:14:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-11-16 20:14:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-11-16 20:14:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-11-16 20:14:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-11-16 20:14:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-11-16 20:14:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-11-16 20:14:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-11-16 20:14:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-11-16 20:14:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-11-16 20:14:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-11-16 20:14:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-16 20:14:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-11-16 20:14:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-11-16 20:14:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-11-16 20:14:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-11-16 20:14:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:14:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-11-16 20:14:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-11-16 20:14:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-11-16 20:14:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-11-16 20:14:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-11-16 20:14:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-11-16 20:14:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-11-16 20:14:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-11-16 20:14:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-11-16 20:14:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-11-16 20:14:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-11-16 20:14:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-11-16 20:14:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-11-16 20:14:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-11-16 20:14:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-11-16 20:14:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-11-16 20:14:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-11-16 20:14:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-11-16 20:14:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-11-16 20:14:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-11-16 20:14:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-11-16 20:14:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-11-16 20:14:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:14:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-11-16 20:14:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-11-16 20:14:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-11-16 20:14:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-11-16 20:14:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:14:03,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:14:03,638 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:14:03,640 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:14:04,603 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:14:05,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:14:05,263 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 20:14:05,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:14:05 BoogieIcfgContainer [2022-11-16 20:14:05,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:14:05,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:14:05,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:14:05,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:14:05,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:14:01" (1/3) ... [2022-11-16 20:14:05,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae7d98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:14:05, skipping insertion in model container [2022-11-16 20:14:05,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:14:02" (2/3) ... [2022-11-16 20:14:05,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae7d98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:14:05, skipping insertion in model container [2022-11-16 20:14:05,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:14:05" (3/3) ... [2022-11-16 20:14:05,281 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product32.cil.c [2022-11-16 20:14:05,302 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:14:05,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:14:05,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:14:05,410 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;@7c156f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:14:05,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:14:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2022-11-16 20:14:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-16 20:14:05,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:14:05,432 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:14:05,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:14:05,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:14:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1787406034, now seen corresponding path program 1 times [2022-11-16 20:14:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:14:05,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87797251] [2022-11-16 20:14:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:14:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:14:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:14:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:14:05,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:14:05,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87797251] [2022-11-16 20:14:05,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87797251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:14:05,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:14:05,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:14:05,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803060063] [2022-11-16 20:14:05,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:14:05,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 20:14:06,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:14:06,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 20:14:06,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 20:14:06,040 INFO L87 Difference]: Start difference. First operand has 219 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 20:14:06,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:14:06,229 INFO L93 Difference]: Finished difference Result 346 states and 455 transitions. [2022-11-16 20:14:06,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 20:14:06,232 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2022-11-16 20:14:06,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:14:06,245 INFO L225 Difference]: With dead ends: 346 [2022-11-16 20:14:06,245 INFO L226 Difference]: Without dead ends: 216 [2022-11-16 20:14:06,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 20:14:06,253 INFO L413 NwaCegarLoop]: 247 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, 247 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 [2022-11-16 20:14:06,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:14:06,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-16 20:14:06,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-16 20:14:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 122 states have (on average 1.278688524590164) internal successors, (156), 126 states have internal predecessors, (156), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2022-11-16 20:14:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 285 transitions. [2022-11-16 20:14:06,370 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 285 transitions. Word has length 71 [2022-11-16 20:14:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:14:06,371 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 285 transitions. [2022-11-16 20:14:06,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 20:14:06,372 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 285 transitions. [2022-11-16 20:14:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-16 20:14:06,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:14:06,381 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:14:06,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:14:06,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:14:06,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:14:06,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1805620151, now seen corresponding path program 1 times [2022-11-16 20:14:06,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:14:06,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510044444] [2022-11-16 20:14:06,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:14:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:14:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:14:06,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:14:06,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:14:06,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510044444] [2022-11-16 20:14:06,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510044444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:14:06,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:14:06,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:14:06,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754212085] [2022-11-16 20:14:06,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:14:06,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:14:06,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:14:06,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:14:06,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:14:06,734 INFO L87 Difference]: Start difference. First operand 216 states and 285 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 20:14:06,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:14:06,894 INFO L93 Difference]: Finished difference Result 342 states and 440 transitions. [2022-11-16 20:14:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:14:06,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-16 20:14:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:14:06,898 INFO L225 Difference]: With dead ends: 342 [2022-11-16 20:14:06,899 INFO L226 Difference]: Without dead ends: 218 [2022-11-16 20:14:06,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:14:06,902 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 487 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 [2022-11-16 20:14:06,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 487 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:14:06,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-11-16 20:14:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-11-16 20:14:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 128 states have internal predecessors, (158), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2022-11-16 20:14:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2022-11-16 20:14:06,955 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 72 [2022-11-16 20:14:06,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:14:06,956 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2022-11-16 20:14:06,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 20:14:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2022-11-16 20:14:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-16 20:14:06,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:14:06,962 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:14:06,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:14:06,963 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:14:06,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:14:06,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1208214602, now seen corresponding path program 1 times [2022-11-16 20:14:06,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:14:06,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096645291] [2022-11-16 20:14:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:14:06,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:14:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:14:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:14:07,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:14:07,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096645291] [2022-11-16 20:14:07,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096645291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:14:07,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:14:07,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:14:07,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864213712] [2022-11-16 20:14:07,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:14:07,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:14:07,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:14:07,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:14:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:14:07,202 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 20:14:07,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:14:07,415 INFO L93 Difference]: Finished difference Result 471 states and 641 transitions. [2022-11-16 20:14:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:14:07,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2022-11-16 20:14:07,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:14:07,428 INFO L225 Difference]: With dead ends: 471 [2022-11-16 20:14:07,428 INFO L226 Difference]: Without dead ends: 271 [2022-11-16 20:14:07,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:14:07,436 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 59 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 505 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 [2022-11-16 20:14:07,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 505 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:14:07,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-11-16 20:14:07,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 266. [2022-11-16 20:14:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 158 states have (on average 1.3481012658227849) internal successors, (213), 162 states have internal predecessors, (213), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 20:14:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 370 transitions. [2022-11-16 20:14:07,469 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 370 transitions. Word has length 77 [2022-11-16 20:14:07,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:14:07,470 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 370 transitions. [2022-11-16 20:14:07,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 20:14:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2022-11-16 20:14:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-16 20:14:07,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:14:07,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:14:07,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:14:07,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:14:07,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:14:07,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2067054602, now seen corresponding path program 1 times [2022-11-16 20:14:07,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:14:07,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895249139] [2022-11-16 20:14:07,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:14:07,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:14:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:14:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:14:07,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:14:07,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895249139] [2022-11-16 20:14:07,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895249139] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:14:07,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856563845] [2022-11-16 20:14:07,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:14:07,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:14:07,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:14:07,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:14:07,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:14:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:14:08,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 20:14:08,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:14:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:14:08,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:14:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:14:08,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856563845] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:14:08,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1661743239] [2022-11-16 20:14:08,230 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-16 20:14:08,231 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:14:08,235 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:14:08,240 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:14:08,241 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:14:46,430 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-16 20:14:46,904 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 448 for LOIs [2022-11-16 20:14:47,367 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:15:01,958 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 443 DAG size of output: 327 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:15:08,349 WARN L233 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 466 DAG size of output: 347 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:15:15,506 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 448 DAG size of output: 305 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:15:22,199 WARN L233 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 471 DAG size of output: 325 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:15:32,749 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 480 DAG size of output: 341 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:15:41,655 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification. DAG size of input: 490 DAG size of output: 369 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:16:12,179 WARN L233 SmtUtils]: Spent 20.76s on a formula simplification. DAG size of input: 593 DAG size of output: 466 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:16:24,687 WARN L233 SmtUtils]: Spent 12.13s on a formula simplification. DAG size of input: 595 DAG size of output: 346 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:16:36,999 WARN L233 SmtUtils]: Spent 11.93s on a formula simplification. DAG size of input: 594 DAG size of output: 347 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:16:49,294 WARN L233 SmtUtils]: Spent 11.90s on a formula simplification. DAG size of input: 592 DAG size of output: 345 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:16:55,530 WARN L233 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 549 DAG size of output: 349 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:16:55,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1661743239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:16:55,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:16:55,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 4, 4] total 26 [2022-11-16 20:16:55,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738118368] [2022-11-16 20:16:55,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:16:55,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-16 20:16:55,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:16:55,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-16 20:16:55,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-11-16 20:16:55,541 INFO L87 Difference]: Start difference. First operand 266 states and 370 transitions. Second operand has 21 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2022-11-16 20:17:06,715 WARN L233 SmtUtils]: Spent 9.49s on a formula simplification. DAG size of input: 580 DAG size of output: 419 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:17:22,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:17:22,976 INFO L93 Difference]: Finished difference Result 618 states and 914 transitions. [2022-11-16 20:17:22,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 20:17:22,977 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 78 [2022-11-16 20:17:22,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:17:22,980 INFO L225 Difference]: With dead ends: 618 [2022-11-16 20:17:22,980 INFO L226 Difference]: Without dead ends: 370 [2022-11-16 20:17:22,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 145.0s TimeCoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2022-11-16 20:17:22,982 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 204 mSDsluCounter, 3606 mSDsCounter, 0 mSdLazyCounter, 2109 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 3873 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:17:22,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 3873 Invalid, 2132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 2109 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-11-16 20:17:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-11-16 20:17:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 294. [2022-11-16 20:17:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 185 states have (on average 1.3621621621621622) internal successors, (252), 189 states have internal predecessors, (252), 79 states have call successors, (79), 29 states have call predecessors, (79), 29 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-16 20:17:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 409 transitions. [2022-11-16 20:17:23,110 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 409 transitions. Word has length 78 [2022-11-16 20:17:23,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:17:23,111 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 409 transitions. [2022-11-16 20:17:23,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 16 states have (on average 2.5625) internal successors, (41), 15 states have internal predecessors, (41), 7 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2022-11-16 20:17:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 409 transitions. [2022-11-16 20:17:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-16 20:17:23,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:17:23,114 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:17:23,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 20:17:23,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:17:23,321 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:17:23,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:17:23,322 INFO L85 PathProgramCache]: Analyzing trace with hash -199467559, now seen corresponding path program 1 times [2022-11-16 20:17:23,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:17:23,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567358058] [2022-11-16 20:17:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:17:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:17:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:17:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 20:17:23,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:17:23,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567358058] [2022-11-16 20:17:23,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567358058] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:17:23,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558403190] [2022-11-16 20:17:23,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:17:23,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:17:23,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:17:23,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:17:23,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:17:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:17:23,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 20:17:23,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:17:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 20:17:23,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:17:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 20:17:23,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558403190] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:17:23,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [661029280] [2022-11-16 20:17:24,002 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-16 20:17:24,003 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:17:24,003 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:17:24,004 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:17:24,004 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:18:08,906 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-16 20:18:09,200 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 445 for LOIs [2022-11-16 20:18:09,493 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:18:24,119 WARN L233 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 443 DAG size of output: 327 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:18:30,612 WARN L233 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 466 DAG size of output: 347 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:18:50,932 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 480 DAG size of output: 341 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:18:59,885 WARN L233 SmtUtils]: Spent 7.85s on a formula simplification. DAG size of input: 490 DAG size of output: 369 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:19:22,586 WARN L233 SmtUtils]: Spent 12.98s on a formula simplification. DAG size of input: 583 DAG size of output: 358 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:19:42,370 WARN L233 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 585 DAG size of output: 320 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:19:48,684 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 553 DAG size of output: 353 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:19:55,800 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 584 DAG size of output: 337 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:19:56,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [661029280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:19:56,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:19:56,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-16 20:19:56,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511286882] [2022-11-16 20:19:56,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:19:56,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 20:19:56,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:19:56,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 20:19:56,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=765, Unknown=0, NotChecked=0, Total=870 [2022-11-16 20:19:56,005 INFO L87 Difference]: Start difference. First operand 294 states and 409 transitions. Second operand has 25 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-11-16 20:20:28,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:20:28,965 INFO L93 Difference]: Finished difference Result 673 states and 993 transitions. [2022-11-16 20:20:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-16 20:20:28,966 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 84 [2022-11-16 20:20:28,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:20:28,969 INFO L225 Difference]: With dead ends: 673 [2022-11-16 20:20:28,969 INFO L226 Difference]: Without dead ends: 425 [2022-11-16 20:20:28,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 224 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 127.0s TimeCoverageRelationStatistics Valid=182, Invalid=1300, Unknown=0, NotChecked=0, Total=1482 [2022-11-16 20:20:28,972 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 197 mSDsluCounter, 4137 mSDsCounter, 0 mSdLazyCounter, 2804 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 4407 SdHoareTripleChecker+Invalid, 2826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:20:28,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 4407 Invalid, 2826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 2804 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-11-16 20:20:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-11-16 20:20:29,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 330. [2022-11-16 20:20:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 218 states have (on average 1.4036697247706422) internal successors, (306), 223 states have internal predecessors, (306), 81 states have call successors, (81), 30 states have call predecessors, (81), 30 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2022-11-16 20:20:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 467 transitions. [2022-11-16 20:20:29,184 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 467 transitions. Word has length 84 [2022-11-16 20:20:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:20:29,184 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 467 transitions. [2022-11-16 20:20:29,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 8 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-11-16 20:20:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 467 transitions. [2022-11-16 20:20:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-16 20:20:29,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:20:29,187 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:20:29,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:20:29,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:20:29,394 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:20:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:20:29,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1836326947, now seen corresponding path program 1 times [2022-11-16 20:20:29,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:20:29,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914115866] [2022-11-16 20:20:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:29,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:20:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:20:29,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:20:29,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914115866] [2022-11-16 20:20:29,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914115866] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:20:29,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842715237] [2022-11-16 20:20:29,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:20:29,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:20:29,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:20:29,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:20:29,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:20:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:20:29,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 20:20:29,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:20:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:20:30,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:20:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:20:30,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842715237] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:20:30,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1652390797] [2022-11-16 20:20:30,084 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2022-11-16 20:20:30,084 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:20:30,085 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:20:30,085 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:20:30,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:21:05,937 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-16 20:21:06,240 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 236 for LOIs [2022-11-16 20:21:06,302 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 245 for LOIs [2022-11-16 20:21:06,367 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 251 for LOIs [2022-11-16 20:21:06,445 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 448 for LOIs [2022-11-16 20:21:06,740 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:21:21,323 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 443 DAG size of output: 327 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:21:27,771 WARN L233 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 466 DAG size of output: 347 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:21:34,915 WARN L233 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 448 DAG size of output: 305 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:21:41,584 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 471 DAG size of output: 325 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:21:52,123 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 480 DAG size of output: 341 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:22:01,071 WARN L233 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 490 DAG size of output: 369 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:22:30,900 WARN L233 SmtUtils]: Spent 20.06s on a formula simplification. DAG size of input: 636 DAG size of output: 513 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:22:41,998 WARN L233 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 638 DAG size of output: 406 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:22:59,847 WARN L233 SmtUtils]: Spent 11.42s on a formula simplification. DAG size of input: 562 DAG size of output: 384 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:23:08,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1652390797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:23:08,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:23:08,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [4, 4, 4] total 35 [2022-11-16 20:23:08,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378234035] [2022-11-16 20:23:08,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:23:08,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-16 20:23:08,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:23:08,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-16 20:23:08,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1080, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 20:23:08,359 INFO L87 Difference]: Start difference. First operand 330 states and 467 transitions. Second operand has 30 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-16 20:23:19,286 WARN L233 SmtUtils]: Spent 8.79s on a formula simplification. DAG size of input: 627 DAG size of output: 404 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:23:38,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:23:38,085 INFO L93 Difference]: Finished difference Result 698 states and 1032 transitions. [2022-11-16 20:23:38,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-16 20:23:38,086 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) Word has length 87 [2022-11-16 20:23:38,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:23:38,089 INFO L225 Difference]: With dead ends: 698 [2022-11-16 20:23:38,089 INFO L226 Difference]: Without dead ends: 450 [2022-11-16 20:23:38,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 133.2s TimeCoverageRelationStatistics Valid=128, Invalid=1204, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 20:23:38,096 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 146 mSDsluCounter, 4086 mSDsCounter, 0 mSdLazyCounter, 3818 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 4339 SdHoareTripleChecker+Invalid, 3834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 3818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-16 20:23:38,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 4339 Invalid, 3834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 3818 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2022-11-16 20:23:38,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-16 20:23:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 389. [2022-11-16 20:23:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 270 states have (on average 1.4296296296296296) internal successors, (386), 276 states have internal predecessors, (386), 85 states have call successors, (85), 33 states have call predecessors, (85), 33 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2022-11-16 20:23:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 555 transitions. [2022-11-16 20:23:38,362 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 555 transitions. Word has length 87 [2022-11-16 20:23:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:23:38,363 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 555 transitions. [2022-11-16 20:23:38,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 18 states have internal predecessors, (44), 10 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (17), 10 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-16 20:23:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 555 transitions. [2022-11-16 20:23:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-16 20:23:38,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:23:38,369 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:23:38,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 20:23:38,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 20:23:38,577 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:23:38,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:23:38,577 INFO L85 PathProgramCache]: Analyzing trace with hash 199515414, now seen corresponding path program 1 times [2022-11-16 20:23:38,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:23:38,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032289616] [2022-11-16 20:23:38,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:38,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:23:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:23:38,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:23:38,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032289616] [2022-11-16 20:23:38,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032289616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:23:38,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756836572] [2022-11-16 20:23:38,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:23:38,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:23:38,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:23:38,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:23:38,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dccd2c8-3d90-4b61-8c48-789cf93afed4/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 20:23:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:23:39,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 20:23:39,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:23:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:23:39,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:23:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 20:23:39,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756836572] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:23:39,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [7474641] [2022-11-16 20:23:39,210 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-16 20:23:39,210 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:23:39,212 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:23:39,212 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:23:39,213 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:24:22,394 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 443 for LOIs [2022-11-16 20:24:22,687 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 268 for LOIs [2022-11-16 20:24:24,933 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 236 for LOIs [2022-11-16 20:24:25,000 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 448 for LOIs [2022-11-16 20:24:25,317 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 270 for LOIs [2022-11-16 20:24:28,896 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 226 for LOIs [2022-11-16 20:24:28,936 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 279 for LOIs [2022-11-16 20:24:35,763 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 249 for LOIs [2022-11-16 20:24:35,833 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 246 for LOIs [2022-11-16 20:24:35,873 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 480 for LOIs [2022-11-16 20:24:39,593 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 254 for LOIs [2022-11-16 20:24:39,641 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:24:54,115 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 443 DAG size of output: 327 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:25:00,534 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 466 DAG size of output: 347 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:25:07,641 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 448 DAG size of output: 305 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:25:14,314 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 471 DAG size of output: 325 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:25:24,844 WARN L233 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 480 DAG size of output: 341 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:25:33,781 WARN L233 SmtUtils]: Spent 7.83s on a formula simplification. DAG size of input: 490 DAG size of output: 369 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:26:00,082 WARN L233 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 583 DAG size of output: 447 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:26:11,903 WARN L233 SmtUtils]: Spent 11.39s on a formula simplification. DAG size of input: 579 DAG size of output: 444 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:26:24,976 WARN L233 SmtUtils]: Spent 8.47s on a formula simplification. DAG size of input: 579 DAG size of output: 402 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:26:30,575 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 583 DAG size of output: 332 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:26:36,188 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 579 DAG size of output: 328 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:26:41,899 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 585 DAG size of output: 334 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:26:51,668 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 480 DAG size of output: 280 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:27:36,279 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 476 DAG size of output: 353 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)