./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2 --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 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:28,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:28,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:23:28,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:28,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:28,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:28,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:28,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:28,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:28,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:28,358 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:28,359 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:28,359 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:28,360 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:28,360 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:28,360 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:28,361 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:28,361 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:28,364 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:28,364 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:28,365 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:28,365 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:28,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:28,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:28,369 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:28,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:28,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:28,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:28,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:28,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:28,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:28,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:28,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:28,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:28,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:28,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:28,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:28,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:28,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:28,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:28,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:28,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:28,393 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:28,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:28,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:28,394 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:28,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:28,395 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_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63bdee5cc43e6d0ce6e1fd7ff8178b7d4c48f0f239c647cbda6fb7b36603cc42 [2024-11-02 12:23:28,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:28,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:28,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:28,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:28,819 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:28,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/product-lines/email_spec1_product29.cil.c Unable to find full path for "g++" [2024-11-02 12:23:31,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:31,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:31,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c [2024-11-02 12:23:31,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/data/6babb7287/2da8e86ef6cf4ed182529fd133290816/FLAGa026a591e [2024-11-02 12:23:31,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/data/6babb7287/2da8e86ef6cf4ed182529fd133290816 [2024-11-02 12:23:31,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:31,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:31,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:31,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:31,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:31,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:31" (1/1) ... [2024-11-02 12:23:31,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e21b6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:31, skipping insertion in model container [2024-11-02 12:23:31,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:31" (1/1) ... [2024-11-02 12:23:31,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:32,559 WARN L251 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_b9c98b4c-5457-40f3-80a9-75a5a04a3220/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2024-11-02 12:23:32,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:32,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:32,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-02 12:23:32,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2024-11-02 12:23:32,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2024-11-02 12:23:32,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1051] [2024-11-02 12:23:32,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1201] [2024-11-02 12:23:32,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1499] [2024-11-02 12:23:32,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1508] [2024-11-02 12:23:32,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2578] [2024-11-02 12:23:32,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2613] [2024-11-02 12:23:32,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2641] [2024-11-02 12:23:32,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2658] [2024-11-02 12:23:32,897 WARN L251 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_b9c98b4c-5457-40f3-80a9-75a5a04a3220/sv-benchmarks/c/product-lines/email_spec1_product29.cil.c[32754,32767] [2024-11-02 12:23:32,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:33,114 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:33,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33 WrapperNode [2024-11-02 12:23:33,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:33,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:33,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:33,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:33,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,232 INFO L138 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 55, calls inlined = 47, statements flattened = 923 [2024-11-02 12:23:33,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:33,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:33,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:33,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:33,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:33,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:33,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:33,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:33,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (1/1) ... [2024-11-02 12:23:33,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:33,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:33,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:33,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-02 12:23:33,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-02 12:23:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-02 12:23:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-02 12:23:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-02 12:23:33,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-02 12:23:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-02 12:23:33,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-02 12:23:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-02 12:23:33,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-02 12:23:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-02 12:23:33,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-02 12:23:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-02 12:23:33,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-02 12:23:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-02 12:23:33,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-02 12:23:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-02 12:23:33,480 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-02 12:23:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-02 12:23:33,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-02 12:23:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-02 12:23:33,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-02 12:23:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-02 12:23:33,481 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-02 12:23:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-02 12:23:33,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-02 12:23:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-02 12:23:33,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-02 12:23:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-02 12:23:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-02 12:23:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-02 12:23:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-02 12:23:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-02 12:23:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-02 12:23:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-02 12:23:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-02 12:23:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-02 12:23:33,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-02 12:23:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-02 12:23:33,483 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-02 12:23:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-11-02 12:23:33,483 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-11-02 12:23:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-02 12:23:33,485 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-02 12:23:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-02 12:23:33,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-02 12:23:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-02 12:23:33,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-02 12:23:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-02 12:23:33,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-02 12:23:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-02 12:23:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-02 12:23:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:23:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-02 12:23:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-02 12:23:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-02 12:23:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-02 12:23:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:33,756 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:33,763 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:34,977 INFO L? ?]: Removed 502 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:34,977 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:35,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:35,832 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:35,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:35 BoogieIcfgContainer [2024-11-02 12:23:35,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:35,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:35,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:35,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:35,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:31" (1/3) ... [2024-11-02 12:23:35,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4b86fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:35, skipping insertion in model container [2024-11-02 12:23:35,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:33" (2/3) ... [2024-11-02 12:23:35,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4b86fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:35, skipping insertion in model container [2024-11-02 12:23:35,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:35" (3/3) ... [2024-11-02 12:23:35,845 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2024-11-02 12:23:35,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:35,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:35,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:35,970 INFO L333 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, 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;@224aad19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:35,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:35,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 213 states, 120 states have (on average 1.3083333333333333) internal successors, (157), 125 states have internal predecessors, (157), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-02 12:23:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-02 12:23:35,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:35,993 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:35,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:36,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash -986908218, now seen corresponding path program 1 times [2024-11-02 12:23:36,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:36,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515797740] [2024-11-02 12:23:36,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:36,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-02 12:23:36,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:36,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515797740] [2024-11-02 12:23:36,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515797740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:36,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:36,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:23:36,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017402957] [2024-11-02 12:23:36,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:36,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:23:36,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:36,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:23:36,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:23:36,535 INFO L87 Difference]: Start difference. First operand has 213 states, 120 states have (on average 1.3083333333333333) internal successors, (157), 125 states have internal predecessors, (157), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:23:36,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:36,750 INFO L93 Difference]: Finished difference Result 334 states and 437 transitions. [2024-11-02 12:23:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:23:36,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2024-11-02 12:23:36,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:36,767 INFO L225 Difference]: With dead ends: 334 [2024-11-02 12:23:36,767 INFO L226 Difference]: Without dead ends: 210 [2024-11-02 12:23:36,772 INFO L431 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 [2024-11-02 12:23:36,776 INFO L432 NwaCegarLoop]: 242 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, 242 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:36,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 242 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:23:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-02 12:23:36,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-02 12:23:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 118 states have (on average 1.2796610169491525) internal successors, (151), 122 states have internal predecessors, (151), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-02 12:23:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 276 transitions. [2024-11-02 12:23:36,863 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 276 transitions. Word has length 71 [2024-11-02 12:23:36,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:36,867 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 276 transitions. [2024-11-02 12:23:36,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:23:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 276 transitions. [2024-11-02 12:23:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-02 12:23:36,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:36,872 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:36,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:23:36,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:36,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:36,874 INFO L85 PathProgramCache]: Analyzing trace with hash -293670964, now seen corresponding path program 1 times [2024-11-02 12:23:36,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:36,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860275870] [2024-11-02 12:23:36,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:36,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-02 12:23:37,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:37,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860275870] [2024-11-02 12:23:37,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860275870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:37,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:37,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:23:37,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463853636] [2024-11-02 12:23:37,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:37,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:23:37,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:37,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:23:37,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:23:37,236 INFO L87 Difference]: Start difference. First operand 210 states and 276 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:23:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:37,427 INFO L93 Difference]: Finished difference Result 330 states and 422 transitions. [2024-11-02 12:23:37,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:23:37,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2024-11-02 12:23:37,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:37,431 INFO L225 Difference]: With dead ends: 330 [2024-11-02 12:23:37,434 INFO L226 Difference]: Without dead ends: 212 [2024-11-02 12:23:37,435 INFO L431 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 [2024-11-02 12:23:37,436 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 0 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:37,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 477 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:23:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-02 12:23:37,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-02 12:23:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 120 states have (on average 1.275) internal successors, (153), 124 states have internal predecessors, (153), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-02 12:23:37,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 278 transitions. [2024-11-02 12:23:37,472 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 278 transitions. Word has length 72 [2024-11-02 12:23:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:37,473 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 278 transitions. [2024-11-02 12:23:37,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:23:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 278 transitions. [2024-11-02 12:23:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-02 12:23:37,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:37,481 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:37,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:23:37,482 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:37,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:37,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2066118726, now seen corresponding path program 1 times [2024-11-02 12:23:37,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:37,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645529000] [2024-11-02 12:23:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:37,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-02 12:23:37,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:37,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645529000] [2024-11-02 12:23:37,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645529000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:37,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:37,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:23:37,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151957693] [2024-11-02 12:23:37,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:37,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:23:37,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:37,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:23:37,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:23:37,757 INFO L87 Difference]: Start difference. First operand 212 states and 278 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:23:37,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:37,897 INFO L93 Difference]: Finished difference Result 459 states and 623 transitions. [2024-11-02 12:23:37,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:23:37,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2024-11-02 12:23:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:37,901 INFO L225 Difference]: With dead ends: 459 [2024-11-02 12:23:37,901 INFO L226 Difference]: Without dead ends: 265 [2024-11-02 12:23:37,902 INFO L431 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 [2024-11-02 12:23:37,903 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 59 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 480 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 [2024-11-02 12:23:37,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 480 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:23:37,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-02 12:23:37,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 260. [2024-11-02 12:23:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 154 states have (on average 1.3506493506493507) internal successors, (208), 158 states have internal predecessors, (208), 77 states have call successors, (77), 28 states have call predecessors, (77), 28 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-02 12:23:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 361 transitions. [2024-11-02 12:23:37,940 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 361 transitions. Word has length 77 [2024-11-02 12:23:37,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:37,941 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 361 transitions. [2024-11-02 12:23:37,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:23:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 361 transitions. [2024-11-02 12:23:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-02 12:23:37,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:37,945 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:37,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:23:37,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:37,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1962097592, now seen corresponding path program 1 times [2024-11-02 12:23:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:37,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512802876] [2024-11-02 12:23:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-02 12:23:38,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:38,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512802876] [2024-11-02 12:23:38,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512802876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:23:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843770835] [2024-11-02 12:23:38,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:38,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:23:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:38,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:23:38,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c98b4c-5457-40f3-80a9-75a5a04a3220/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:23:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:38,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:23:38,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-02 12:23:38,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:23:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-02 12:23:38,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843770835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:23:38,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [705626902] [2024-11-02 12:23:38,977 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-02 12:23:38,977 INFO L166 IcfgInterpreter]: Building call graph [2024-11-02 12:23:38,981 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-02 12:23:38,987 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-02 12:23:38,987 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs