./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:38:02,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:38:02,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:38:02,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:38:02,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:38:02,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:38:02,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:38:02,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:38:02,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:38:02,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:38:02,559 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:38:02,559 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:38:02,560 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:38:02,560 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:38:02,561 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:38:02,561 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:38:02,562 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:38:02,562 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:38:02,563 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:38:02,563 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:38:02,564 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:38:02,564 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:38:02,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:38:02,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:38:02,566 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:38:02,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:38:02,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:38:02,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:38:02,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:38:02,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:38:02,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:38:02,569 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:38:02,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:38:02,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:38:02,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:38:02,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:38:02,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:38:02,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:38:02,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:38:02,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:38:02,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:38:02,571 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:38:02,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:38:02,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:38:02,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:38:02,572 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:38:02,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:38:02,573 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 [2023-12-02 15:38:02,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:38:02,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:38:02,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:38:02,840 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:38:02,840 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:38:02,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2023-12-02 15:38:05,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:38:05,904 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:38:05,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2023-12-02 15:38:05,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/data/392bed451/94848a74bb5f49078b610ab2bb58bbcc/FLAG5984beccb [2023-12-02 15:38:05,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/data/392bed451/94848a74bb5f49078b610ab2bb58bbcc [2023-12-02 15:38:05,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:38:05,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:38:05,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:05,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:38:05,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:38:05,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:05" (1/1) ... [2023-12-02 15:38:05,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c17d70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:05, skipping insertion in model container [2023-12-02 15:38:05,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:05" (1/1) ... [2023-12-02 15:38:06,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:38:06,445 WARN L240 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_f31de882-dd86-4448-9a5d-a80b99675b01/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2023-12-02 15:38:06,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:38:06,571 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:38:06,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2023-12-02 15:38:06,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1128] [2023-12-02 15:38:06,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1435] [2023-12-02 15:38:06,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1801] [2023-12-02 15:38:06,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1836] [2023-12-02 15:38:06,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1845] [2023-12-02 15:38:06,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2061] [2023-12-02 15:38:06,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [2436] [2023-12-02 15:38:06,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2494] [2023-12-02 15:38:06,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2893] [2023-12-02 15:38:06,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3028] [2023-12-02 15:38:06,643 WARN L240 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_f31de882-dd86-4448-9a5d-a80b99675b01/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2023-12-02 15:38:06,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:38:06,702 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:38:06,710 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:38:06,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06 WrapperNode [2023-12-02 15:38:06,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:06,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:38:06,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:38:06,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:38:06,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,815 INFO L138 Inliner]: procedures = 132, calls = 227, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 1074 [2023-12-02 15:38:06,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:38:06,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:38:06,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:38:06,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:38:06,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:38:06,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:38:06,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:38:06,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:38:06,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (1/1) ... [2023-12-02 15:38:06,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:38:06,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:38:06,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:38:06,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:38:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-02 15:38:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-02 15:38:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-02 15:38:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-02 15:38:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-02 15:38:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-02 15:38:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 15:38:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 15:38:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 15:38:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 15:38:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-02 15:38:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-02 15:38:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 15:38:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 15:38:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-02 15:38:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-02 15:38:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-02 15:38:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-02 15:38:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 15:38:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 15:38:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 15:38:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-02 15:38:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-02 15:38:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 15:38:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 15:38:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:38:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-02 15:38:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-02 15:38:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-02 15:38:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-02 15:38:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 15:38:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 15:38:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-12-02 15:38:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-12-02 15:38:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 15:38:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 15:38:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 15:38:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 15:38:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-02 15:38:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-02 15:38:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 15:38:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 15:38:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-02 15:38:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-02 15:38:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 15:38:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 15:38:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-02 15:38:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-02 15:38:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:38:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 15:38:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 15:38:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:38:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:38:07,189 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:38:07,191 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:38:07,972 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:38:08,476 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:38:08,477 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:38:08,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:08 BoogieIcfgContainer [2023-12-02 15:38:08,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:38:08,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:38:08,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:38:08,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:38:08,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:38:05" (1/3) ... [2023-12-02 15:38:08,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddb6b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:08, skipping insertion in model container [2023-12-02 15:38:08,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:06" (2/3) ... [2023-12-02 15:38:08,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddb6b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:08, skipping insertion in model container [2023-12-02 15:38:08,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:08" (3/3) ... [2023-12-02 15:38:08,487 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product31.cil.c [2023-12-02 15:38:08,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:38:08,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:38:08,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:38:08,570 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=LoopHeads, 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;@328d553b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:38:08,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:38:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 121 states have (on average 1.3140495867768596) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-02 15:38:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 15:38:08,590 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:08,591 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:08,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:08,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:08,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1362634489, now seen corresponding path program 1 times [2023-12-02 15:38:08,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:38:08,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065487662] [2023-12-02 15:38:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:38:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:38:08,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:38:08,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065487662] [2023-12-02 15:38:08,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065487662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:38:08,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:38:08,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:38:08,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206677970] [2023-12-02 15:38:08,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:38:08,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:38:08,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:38:09,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:38:09,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:38:09,027 INFO L87 Difference]: Start difference. First operand has 211 states, 121 states have (on average 1.3140495867768596) internal successors, (159), 127 states have internal predecessors, (159), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:38:09,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:38:09,171 INFO L93 Difference]: Finished difference Result 338 states and 452 transitions. [2023-12-02 15:38:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:38:09,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 83 [2023-12-02 15:38:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:38:09,186 INFO L225 Difference]: With dead ends: 338 [2023-12-02 15:38:09,187 INFO L226 Difference]: Without dead ends: 207 [2023-12-02 15:38:09,192 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 [2023-12-02 15:38:09,196 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:38:09,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:38:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-12-02 15:38:09,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2023-12-02 15:38:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 119 states have (on average 1.2857142857142858) internal successors, (153), 123 states have internal predecessors, (153), 64 states have call successors, (64), 24 states have call predecessors, (64), 23 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-02 15:38:09,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 278 transitions. [2023-12-02 15:38:09,262 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 278 transitions. Word has length 83 [2023-12-02 15:38:09,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:38:09,264 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 278 transitions. [2023-12-02 15:38:09,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:38:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 278 transitions. [2023-12-02 15:38:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 15:38:09,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:09,270 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:09,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:38:09,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:09,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:09,272 INFO L85 PathProgramCache]: Analyzing trace with hash 964050160, now seen corresponding path program 1 times [2023-12-02 15:38:09,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:38:09,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534467834] [2023-12-02 15:38:09,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:09,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:38:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:38:09,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:38:09,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534467834] [2023-12-02 15:38:09,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534467834] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:38:09,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:38:09,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:38:09,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966835233] [2023-12-02 15:38:09,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:38:09,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:38:09,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:38:09,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:38:09,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:38:09,506 INFO L87 Difference]: Start difference. First operand 207 states and 278 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:38:09,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:38:09,625 INFO L93 Difference]: Finished difference Result 333 states and 436 transitions. [2023-12-02 15:38:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:38:09,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 84 [2023-12-02 15:38:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:38:09,629 INFO L225 Difference]: With dead ends: 333 [2023-12-02 15:38:09,629 INFO L226 Difference]: Without dead ends: 209 [2023-12-02 15:38:09,631 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 [2023-12-02 15:38:09,632 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 0 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:38:09,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 481 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:38:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-12-02 15:38:09,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2023-12-02 15:38:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 121 states have (on average 1.28099173553719) internal successors, (155), 125 states have internal predecessors, (155), 64 states have call successors, (64), 24 states have call predecessors, (64), 23 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-02 15:38:09,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2023-12-02 15:38:09,657 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 84 [2023-12-02 15:38:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:38:09,658 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2023-12-02 15:38:09,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:38:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2023-12-02 15:38:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 15:38:09,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:09,661 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:09,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:38:09,661 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:09,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:09,662 INFO L85 PathProgramCache]: Analyzing trace with hash 776712947, now seen corresponding path program 1 times [2023-12-02 15:38:09,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:38:09,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724284206] [2023-12-02 15:38:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:09,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:38:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:38:09,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:38:09,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724284206] [2023-12-02 15:38:09,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724284206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:38:09,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:38:09,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:38:09,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948285401] [2023-12-02 15:38:09,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:38:09,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:38:09,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:38:09,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:38:09,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:38:09,796 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:38:09,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:38:09,953 INFO L93 Difference]: Finished difference Result 448 states and 619 transitions. [2023-12-02 15:38:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:38:09,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2023-12-02 15:38:09,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:38:09,957 INFO L225 Difference]: With dead ends: 448 [2023-12-02 15:38:09,957 INFO L226 Difference]: Without dead ends: 257 [2023-12-02 15:38:09,959 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 [2023-12-02 15:38:09,961 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 57 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:38:09,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 483 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:38:09,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-12-02 15:38:09,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 252. [2023-12-02 15:38:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 157 states have internal predecessors, (208), 75 states have call successors, (75), 24 states have call predecessors, (75), 23 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-02 15:38:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 355 transitions. [2023-12-02 15:38:09,992 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 355 transitions. Word has length 89 [2023-12-02 15:38:09,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:38:09,992 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 355 transitions. [2023-12-02 15:38:09,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 15:38:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 355 transitions. [2023-12-02 15:38:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 15:38:09,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:09,996 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:09,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:38:09,997 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:09,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:09,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1255843910, now seen corresponding path program 1 times [2023-12-02 15:38:09,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:38:09,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382261983] [2023-12-02 15:38:09,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:09,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:38:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:38:10,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:38:10,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382261983] [2023-12-02 15:38:10,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382261983] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:38:10,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891729837] [2023-12-02 15:38:10,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:10,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:38:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:38:10,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:38:10,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:38:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:10,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:38:10,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:38:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:38:10,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:38:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:38:10,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891729837] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:38:10,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1433328735] [2023-12-02 15:38:10,732 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2023-12-02 15:38:10,733 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:38:10,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:38:10,741 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:38:10,742 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:39:05,134 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2023-12-02 15:39:05,296 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 15:39:05,458 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:40:02,897 WARN L293 SmtUtils]: Spent 9.61s on a formula simplification. DAG size of input: 512 DAG size of output: 512 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:40:12,720 WARN L293 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 513 DAG size of output: 512 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:40:34,538 WARN L293 SmtUtils]: Spent 21.35s on a formula simplification. DAG size of input: 525 DAG size of output: 514 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:40:56,689 WARN L293 SmtUtils]: Spent 21.64s on a formula simplification. DAG size of input: 523 DAG size of output: 512 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:41:00,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1433328735] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:41:00,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:41:00,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 15:41:00,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166048847] [2023-12-02 15:41:00,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:41:00,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 15:41:00,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:41:00,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 15:41:00,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 15:41:00,456 INFO L87 Difference]: Start difference. First operand 252 states and 355 transitions. Second operand has 24 states, 16 states have (on average 2.75) internal successors, (44), 15 states have internal predecessors, (44), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2023-12-02 15:41:10,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:41:10,995 INFO L93 Difference]: Finished difference Result 549 states and 806 transitions. [2023-12-02 15:41:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 15:41:10,996 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.75) internal successors, (44), 15 states have internal predecessors, (44), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 90 [2023-12-02 15:41:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:41:11,000 INFO L225 Difference]: With dead ends: 549 [2023-12-02 15:41:11,000 INFO L226 Difference]: Without dead ends: 315 [2023-12-02 15:41:11,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 115.0s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 15:41:11,003 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 84 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 3653 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:41:11,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 3653 Invalid, 2164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2023-12-02 15:41:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-12-02 15:41:11,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 275. [2023-12-02 15:41:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 175 states have (on average 1.3771428571428572) internal successors, (241), 179 states have internal predecessors, (241), 75 states have call successors, (75), 25 states have call predecessors, (75), 24 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-02 15:41:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 388 transitions. [2023-12-02 15:41:11,104 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 388 transitions. Word has length 90 [2023-12-02 15:41:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:41:11,104 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 388 transitions. [2023-12-02 15:41:11,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.75) internal successors, (44), 15 states have internal predecessors, (44), 7 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2023-12-02 15:41:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 388 transitions. [2023-12-02 15:41:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 15:41:11,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:41:11,108 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:41:11,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:41:11,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:41:11,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:41:11,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:41:11,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1470919093, now seen corresponding path program 1 times [2023-12-02 15:41:11,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:41:11,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119696100] [2023-12-02 15:41:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:41:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 15:41:11,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:41:11,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119696100] [2023-12-02 15:41:11,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119696100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:41:11,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:41:11,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:41:11,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494512086] [2023-12-02 15:41:11,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:41:11,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:41:11,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:41:11,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:41:11,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:41:11,417 INFO L87 Difference]: Start difference. First operand 275 states and 388 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 15:41:11,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:41:11,627 INFO L93 Difference]: Finished difference Result 643 states and 940 transitions. [2023-12-02 15:41:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:41:11,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2023-12-02 15:41:11,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:41:11,632 INFO L225 Difference]: With dead ends: 643 [2023-12-02 15:41:11,632 INFO L226 Difference]: Without dead ends: 392 [2023-12-02 15:41:11,633 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 [2023-12-02 15:41:11,634 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 55 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:41:11,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 492 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:41:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-12-02 15:41:11,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 387. [2023-12-02 15:41:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 262 states have (on average 1.4389312977099236) internal successors, (377), 266 states have internal predecessors, (377), 100 states have call successors, (100), 25 states have call predecessors, (100), 24 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2023-12-02 15:41:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 574 transitions. [2023-12-02 15:41:11,755 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 574 transitions. Word has length 95 [2023-12-02 15:41:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:41:11,755 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 574 transitions. [2023-12-02 15:41:11,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 15:41:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 574 transitions. [2023-12-02 15:41:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 15:41:11,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:41:11,759 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:41:11,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 15:41:11,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:41:11,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:41:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1585766091, now seen corresponding path program 1 times [2023-12-02 15:41:11,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:41:11,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471379897] [2023-12-02 15:41:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:11,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:41:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 15:41:11,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:41:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471379897] [2023-12-02 15:41:11,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471379897] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:41:11,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629259992] [2023-12-02 15:41:11,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:41:11,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:41:11,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:41:11,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:41:11,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:41:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:41:12,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:41:12,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:41:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 15:41:12,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:41:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 15:41:12,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629259992] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:41:12,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [652470122] [2023-12-02 15:41:12,373 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2023-12-02 15:41:12,373 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:41:12,374 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:41:12,374 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:41:12,374 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:42:23,798 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2023-12-02 15:42:23,985 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 493 for LOIs [2023-12-02 15:42:26,284 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:42:48,597 WARN L293 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 493 DAG size of output: 493 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:42:58,569 WARN L293 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 523 DAG size of output: 518 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:43:39,580 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 516 DAG size of output: 516 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:43:49,791 WARN L293 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 517 DAG size of output: 516 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:44:12,186 WARN L293 SmtUtils]: Spent 21.93s on a formula simplification. DAG size of input: 529 DAG size of output: 518 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:44:35,385 WARN L293 SmtUtils]: Spent 22.70s on a formula simplification. DAG size of input: 527 DAG size of output: 516 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:44:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [652470122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:44:44,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:44:44,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 15:44:44,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320378542] [2023-12-02 15:44:44,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:44:44,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 15:44:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:44:44,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 15:44:44,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=950, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 15:44:44,094 INFO L87 Difference]: Start difference. First operand 387 states and 574 transitions. Second operand has 28 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 8 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-02 15:45:00,113 WARN L293 SmtUtils]: Spent 7.63s on a formula simplification. DAG size of input: 517 DAG size of output: 516 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:45:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:45:10,201 INFO L93 Difference]: Finished difference Result 626 states and 915 transitions. [2023-12-02 15:45:10,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 15:45:10,202 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 8 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 96 [2023-12-02 15:45:10,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:45:10,205 INFO L225 Difference]: With dead ends: 626 [2023-12-02 15:45:10,205 INFO L226 Difference]: Without dead ends: 502 [2023-12-02 15:45:10,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 149.8s TimeCoverageRelationStatistics Valid=124, Invalid=1066, Unknown=0, NotChecked=0, Total=1190 [2023-12-02 15:45:10,208 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 131 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 4183 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:45:10,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 4183 Invalid, 2226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2023-12-02 15:45:10,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-12-02 15:45:10,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 402. [2023-12-02 15:45:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 275 states have (on average 1.44) internal successors, (396), 279 states have internal predecessors, (396), 101 states have call successors, (101), 26 states have call predecessors, (101), 25 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-12-02 15:45:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 595 transitions. [2023-12-02 15:45:10,338 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 595 transitions. Word has length 96 [2023-12-02 15:45:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:45:10,339 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 595 transitions. [2023-12-02 15:45:10,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 8 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-02 15:45:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 595 transitions. [2023-12-02 15:45:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:45:10,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:45:10,343 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:45:10,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 15:45:10,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:45:10,546 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:45:10,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:45:10,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1992725882, now seen corresponding path program 1 times [2023-12-02 15:45:10,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:45:10,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549782133] [2023-12-02 15:45:10,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:45:10,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:45:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:45:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:45:10,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:45:10,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549782133] [2023-12-02 15:45:10,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549782133] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:45:10,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287673565] [2023-12-02 15:45:10,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:45:10,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:45:10,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:45:10,730 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:45:10,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 15:45:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:45:11,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:45:11,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:45:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:45:11,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:45:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:45:11,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287673565] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:45:11,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1285409135] [2023-12-02 15:45:11,212 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2023-12-02 15:45:11,212 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:45:11,213 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:45:11,213 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:45:11,213 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:46:47,309 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2023-12-02 15:46:47,468 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 552 for LOIs [2023-12-02 15:46:49,341 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 561 for LOIs [2023-12-02 15:46:51,285 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 484 for LOIs [2023-12-02 15:46:52,085 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 15:46:52,247 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:47:49,917 WARN L293 SmtUtils]: Spent 11.09s on a formula simplification. DAG size of input: 589 DAG size of output: 584 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:48:01,609 WARN L293 SmtUtils]: Spent 11.31s on a formula simplification. DAG size of input: 590 DAG size of output: 584 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:48:52,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1285409135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:52,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:48:52,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 15:48:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116073108] [2023-12-02 15:48:52,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:52,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 15:48:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:52,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 15:48:52,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 15:48:52,441 INFO L87 Difference]: Start difference. First operand 402 states and 595 transitions. Second operand has 33 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2023-12-02 15:49:16,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:49:16,877 INFO L93 Difference]: Finished difference Result 815 states and 1236 transitions. [2023-12-02 15:49:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 15:49:16,878 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) Word has length 99 [2023-12-02 15:49:16,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:49:16,881 INFO L225 Difference]: With dead ends: 815 [2023-12-02 15:49:16,881 INFO L226 Difference]: Without dead ends: 491 [2023-12-02 15:49:16,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 120.2s TimeCoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 15:49:16,883 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 58 mSDsluCounter, 4307 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 4533 SdHoareTripleChecker+Invalid, 3865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:49:16,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 4533 Invalid, 3865 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3856 Invalid, 0 Unknown, 0 Unchecked, 24.1s Time] [2023-12-02 15:49:16,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-12-02 15:49:17,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 438. [2023-12-02 15:49:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 305 states have (on average 1.4360655737704917) internal successors, (438), 309 states have internal predecessors, (438), 104 states have call successors, (104), 29 states have call predecessors, (104), 28 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-12-02 15:49:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 643 transitions. [2023-12-02 15:49:17,035 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 643 transitions. Word has length 99 [2023-12-02 15:49:17,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:49:17,035 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 643 transitions. [2023-12-02 15:49:17,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 10 states have call successors, (23), 6 states have call predecessors, (23), 6 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2023-12-02 15:49:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 643 transitions. [2023-12-02 15:49:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 15:49:17,037 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:49:17,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:49:17,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-02 15:49:17,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:49:17,238 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:49:17,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:49:17,238 INFO L85 PathProgramCache]: Analyzing trace with hash 695604615, now seen corresponding path program 1 times [2023-12-02 15:49:17,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:49:17,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378743044] [2023-12-02 15:49:17,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:17,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:49:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:49:17,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:49:17,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378743044] [2023-12-02 15:49:17,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378743044] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:49:17,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007807882] [2023-12-02 15:49:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:17,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:49:17,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:49:17,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:49:17,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31de882-dd86-4448-9a5d-a80b99675b01/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 15:49:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:17,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:49:17,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:49:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:49:17,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:49:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:49:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007807882] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:49:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1108110542] [2023-12-02 15:49:17,755 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2023-12-02 15:49:17,755 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:49:17,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:49:17,756 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:49:17,756 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:50:32,644 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2023-12-02 15:50:32,801 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 15:50:32,967 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:51:30,303 WARN L293 SmtUtils]: Spent 9.53s on a formula simplification. DAG size of input: 521 DAG size of output: 521 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:51:40,120 WARN L293 SmtUtils]: Spent 9.52s on a formula simplification. DAG size of input: 522 DAG size of output: 521 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:52:02,645 WARN L293 SmtUtils]: Spent 22.09s on a formula simplification. DAG size of input: 534 DAG size of output: 523 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:52:25,396 WARN L293 SmtUtils]: Spent 22.31s on a formula simplification. DAG size of input: 532 DAG size of output: 521 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)