./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje --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 00f3978296386b105e45bba586b0df56f2d34b783492fc63d6fdcb596a8910f4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:54:34,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:54:34,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:54:34,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:54:34,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:54:34,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:54:34,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:54:34,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:54:34,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:54:34,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:54:34,674 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:54:34,674 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:54:34,674 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:54:34,675 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:54:34,675 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:54:34,676 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:54:34,676 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:54:34,676 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:54:34,677 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:54:34,677 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:54:34,677 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:54:34,680 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:54:34,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:54:34,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:54:34,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:54:34,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:54:34,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:54:34,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:54:34,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:54:34,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:54:34,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:54:34,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:54:34,683 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:54:34,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:54:34,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:54:34,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:54:34,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:54:34,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:54:34,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:34,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:54:34,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:54:34,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:54:34,698 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:54:34,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:54:34,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:54:34,700 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:54:34,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:54:34,700 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_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00f3978296386b105e45bba586b0df56f2d34b783492fc63d6fdcb596a8910f4 [2024-11-09 05:54:34,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:54:35,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:54:35,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:54:35,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:54:35,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:54:35,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c Unable to find full path for "g++" [2024-11-09 05:54:37,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:54:37,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:54:37,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2024-11-09 05:54:37,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/data/bd4dfa88c/c6bd9a2c7b29498da2498dea7cfd8481/FLAG4ca0edbab [2024-11-09 05:54:37,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/data/bd4dfa88c/c6bd9a2c7b29498da2498dea7cfd8481 [2024-11-09 05:54:37,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:54:37,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:54:37,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:37,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:54:37,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:54:37,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:37" (1/1) ... [2024-11-09 05:54:37,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78533040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:37, skipping insertion in model container [2024-11-09 05:54:37,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:37" (1/1) ... [2024-11-09 05:54:37,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:54:37,808 WARN L250 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_b8f3face-ed71-4b9e-adc4-99e2cd729646/sv-benchmarks/c/product-lines/email_spec1_product33.cil.c[1542,1555] [2024-11-09 05:54:38,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:38,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:54:38,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-09 05:54:38,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] [2024-11-09 05:54:38,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [75] [2024-11-09 05:54:38,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [234] [2024-11-09 05:54:38,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [600] [2024-11-09 05:54:38,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [829] [2024-11-09 05:54:38,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [867] [2024-11-09 05:54:38,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [1275] [2024-11-09 05:54:38,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1303] [2024-11-09 05:54:38,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2376] [2024-11-09 05:54:38,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2661] [2024-11-09 05:54:38,371 WARN L250 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_b8f3face-ed71-4b9e-adc4-99e2cd729646/sv-benchmarks/c/product-lines/email_spec1_product33.cil.c[1542,1555] [2024-11-09 05:54:38,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:38,673 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:54:38,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38 WrapperNode [2024-11-09 05:54:38,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:38,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:38,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:54:38,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:54:38,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,842 INFO L138 Inliner]: procedures = 134, calls = 212, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1078 [2024-11-09 05:54:38,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:38,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:54:38,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:54:38,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:54:38,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:54:38,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:54:38,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:54:38,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:54:38,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (1/1) ... [2024-11-09 05:54:38,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:39,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:54:39,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-09 05:54:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-09 05:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 05:54:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 05:54:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 05:54:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 05:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:54:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:54:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:54:39,066 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:54:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:54:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 05:54:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 05:54:39,067 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:54:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:54:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:54:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:54:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:54:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:54:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 05:54:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 05:54:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:54:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:54:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:54:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:54:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:54:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-09 05:54:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-09 05:54:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:54:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:54:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:54:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:54:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:54:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:54:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 05:54:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 05:54:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:54:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:54:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 05:54:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 05:54:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:54:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:54:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:54:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:54:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:54:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:54:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:54:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:54:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:54:39,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:54:39,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:54:40,709 INFO L? ?]: Removed 500 outVars from TransFormulas that were not future-live. [2024-11-09 05:54:40,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:54:41,369 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:54:41,371 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:54:41,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:41 BoogieIcfgContainer [2024-11-09 05:54:41,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:54:41,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:54:41,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:54:41,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:54:41,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:54:37" (1/3) ... [2024-11-09 05:54:41,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473318d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:41, skipping insertion in model container [2024-11-09 05:54:41,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:38" (2/3) ... [2024-11-09 05:54:41,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473318d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:41, skipping insertion in model container [2024-11-09 05:54:41,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:41" (3/3) ... [2024-11-09 05:54:41,384 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product33.cil.c [2024-11-09 05:54:41,405 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:54:41,406 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:54:41,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:54:41,498 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;@190462d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:54:41,500 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:54:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 123 states have (on average 1.3089430894308942) internal successors, (161), 127 states have internal predecessors, (161), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 05:54:41,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 05:54:41,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:41,523 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] [2024-11-09 05:54:41,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:41,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:41,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1550778206, now seen corresponding path program 1 times [2024-11-09 05:54:41,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:41,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518802379] [2024-11-09 05:54:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:41,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:42,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:54:42,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:42,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518802379] [2024-11-09 05:54:42,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518802379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:42,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:42,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:54:42,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204821192] [2024-11-09 05:54:42,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:42,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:54:42,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:42,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:54:42,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:54:42,045 INFO L87 Difference]: Start difference. First operand has 212 states, 123 states have (on average 1.3089430894308942) internal successors, (161), 127 states have internal predecessors, (161), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:54:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:42,190 INFO L93 Difference]: Finished difference Result 341 states and 452 transitions. [2024-11-09 05:54:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:54:42,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 64 [2024-11-09 05:54:42,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:42,205 INFO L225 Difference]: With dead ends: 341 [2024-11-09 05:54:42,205 INFO L226 Difference]: Without dead ends: 209 [2024-11-09 05:54:42,210 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 [2024-11-09 05:54:42,213 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:42,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:54:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-09 05:54:42,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-09 05:54:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 121 states have (on average 1.28099173553719) internal successors, (155), 124 states have internal predecessors, (155), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 05:54:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2024-11-09 05:54:42,271 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 64 [2024-11-09 05:54:42,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:42,273 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2024-11-09 05:54:42,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:54:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2024-11-09 05:54:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:54:42,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:42,276 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] [2024-11-09 05:54:42,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:54:42,277 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:42,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1475699034, now seen corresponding path program 1 times [2024-11-09 05:54:42,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:42,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422863868] [2024-11-09 05:54:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:54:42,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:42,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422863868] [2024-11-09 05:54:42,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422863868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:42,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:42,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:54:42,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57311481] [2024-11-09 05:54:42,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:42,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:54:42,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:42,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:54:42,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:54:42,595 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:54:42,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:42,843 INFO L93 Difference]: Finished difference Result 337 states and 440 transitions. [2024-11-09 05:54:42,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:54:42,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 65 [2024-11-09 05:54:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:42,849 INFO L225 Difference]: With dead ends: 337 [2024-11-09 05:54:42,850 INFO L226 Difference]: Without dead ends: 211 [2024-11-09 05:54:42,855 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 [2024-11-09 05:54:42,857 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 0 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:42,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 481 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:54:42,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-09 05:54:42,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-11-09 05:54:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 126 states have internal predecessors, (157), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 05:54:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 282 transitions. [2024-11-09 05:54:42,895 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 282 transitions. Word has length 65 [2024-11-09 05:54:42,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:42,897 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 282 transitions. [2024-11-09 05:54:42,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:54:42,898 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2024-11-09 05:54:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 05:54:42,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:42,902 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] [2024-11-09 05:54:42,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:54:42,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:42,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:42,903 INFO L85 PathProgramCache]: Analyzing trace with hash 7777552, now seen corresponding path program 1 times [2024-11-09 05:54:42,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:42,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878395459] [2024-11-09 05:54:42,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:42,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:54:43,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:43,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878395459] [2024-11-09 05:54:43,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878395459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:43,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:43,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:54:43,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006198963] [2024-11-09 05:54:43,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:43,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:54:43,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:43,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:54:43,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:54:43,133 INFO L87 Difference]: Start difference. First operand 211 states and 282 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:54:43,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:43,307 INFO L93 Difference]: Finished difference Result 452 states and 623 transitions. [2024-11-09 05:54:43,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:54:43,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2024-11-09 05:54:43,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:43,311 INFO L225 Difference]: With dead ends: 452 [2024-11-09 05:54:43,312 INFO L226 Difference]: Without dead ends: 259 [2024-11-09 05:54:43,317 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 [2024-11-09 05:54:43,318 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 57 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:43,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 487 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:54:43,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-09 05:54:43,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 254. [2024-11-09 05:54:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 158 states have internal predecessors, (210), 74 states have call successors, (74), 24 states have call predecessors, (74), 24 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 05:54:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 357 transitions. [2024-11-09 05:54:43,356 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 357 transitions. Word has length 70 [2024-11-09 05:54:43,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:43,359 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 357 transitions. [2024-11-09 05:54:43,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 05:54:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 357 transitions. [2024-11-09 05:54:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:54:43,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:43,362 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] [2024-11-09 05:54:43,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:54:43,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:43,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:43,367 INFO L85 PathProgramCache]: Analyzing trace with hash -854523223, now seen corresponding path program 1 times [2024-11-09 05:54:43,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:43,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537575155] [2024-11-09 05:54:43,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:43,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:54:43,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:43,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537575155] [2024-11-09 05:54:43,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537575155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:54:43,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390556646] [2024-11-09 05:54:43,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:43,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:54:43,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:43,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:54:43,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:54:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:44,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:54:44,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:54:44,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:54:44,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390556646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:44,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2090779295] [2024-11-09 05:54:44,380 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:54:44,381 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:54:44,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:54:44,390 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:54:44,391 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:55:19,854 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:55:20,082 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 05:55:20,242 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:56:22,728 WARN L286 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 459 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:56:34,617 WARN L286 SmtUtils]: Spent 10.70s on a formula simplification. DAG size of input: 459 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:56:47,366 WARN L286 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 463 DAG size of output: 463 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:56:52,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2090779295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:56:52,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:56:52,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:56:52,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85432194] [2024-11-09 05:56:52,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:56:52,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:56:52,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:52,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:56:52,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:56:52,518 INFO L87 Difference]: Start difference. First operand 254 states and 357 transitions. Second operand has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 05:57:02,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:57:02,917 INFO L93 Difference]: Finished difference Result 522 states and 750 transitions. [2024-11-09 05:57:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:57:02,918 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 71 [2024-11-09 05:57:02,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:57:02,922 INFO L225 Difference]: With dead ends: 522 [2024-11-09 05:57:02,922 INFO L226 Difference]: Without dead ends: 286 [2024-11-09 05:57:02,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 92.3s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:57:02,925 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 25 mSDsluCounter, 3231 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:57:02,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3452 Invalid, 1897 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-09 05:57:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-09 05:57:03,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 277. [2024-11-09 05:57:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 177 states have (on average 1.3728813559322033) internal successors, (243), 180 states have internal predecessors, (243), 74 states have call successors, (74), 25 states have call predecessors, (74), 25 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 05:57:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 390 transitions. [2024-11-09 05:57:03,005 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 390 transitions. Word has length 71 [2024-11-09 05:57:03,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:57:03,005 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 390 transitions. [2024-11-09 05:57:03,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 05:57:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 390 transitions. [2024-11-09 05:57:03,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 05:57:03,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:57:03,009 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:57:03,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:57:03,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:57:03,210 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:57:03,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:57:03,211 INFO L85 PathProgramCache]: Analyzing trace with hash 303013786, now seen corresponding path program 1 times [2024-11-09 05:57:03,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:57:03,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829076568] [2024-11-09 05:57:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:57:03,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:57:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:57:03,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:57:03,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:57:03,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829076568] [2024-11-09 05:57:03,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829076568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:57:03,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:57:03,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:57:03,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63295579] [2024-11-09 05:57:03,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:57:03,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:57:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:57:03,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:57:03,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:57:03,350 INFO L87 Difference]: Start difference. First operand 277 states and 390 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:57:03,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:57:03,592 INFO L93 Difference]: Finished difference Result 647 states and 944 transitions. [2024-11-09 05:57:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:57:03,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2024-11-09 05:57:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:57:03,597 INFO L225 Difference]: With dead ends: 647 [2024-11-09 05:57:03,597 INFO L226 Difference]: Without dead ends: 394 [2024-11-09 05:57:03,599 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 [2024-11-09 05:57:03,600 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 55 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:57:03,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 485 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:57:03,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-09 05:57:03,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 389. [2024-11-09 05:57:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 264 states have (on average 1.4356060606060606) internal successors, (379), 267 states have internal predecessors, (379), 99 states have call successors, (99), 25 states have call predecessors, (99), 25 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 05:57:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 576 transitions. [2024-11-09 05:57:03,740 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 576 transitions. Word has length 76 [2024-11-09 05:57:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:57:03,740 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 576 transitions. [2024-11-09 05:57:03,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 05:57:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 576 transitions. [2024-11-09 05:57:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:57:03,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:57:03,745 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:57:03,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:57:03,746 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:57:03,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:57:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash 933686608, now seen corresponding path program 1 times [2024-11-09 05:57:03,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:57:03,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257898558] [2024-11-09 05:57:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:57:03,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:57:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:57:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:57:03,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:57:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257898558] [2024-11-09 05:57:03,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257898558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:57:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782633774] [2024-11-09 05:57:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:57:03,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:57:03,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:57:03,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:57:03,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:57:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:57:04,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:57:04,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:57:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:57:04,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:57:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:57:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782633774] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:57:04,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [136245105] [2024-11-09 05:57:04,387 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-09 05:57:04,387 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:57:04,387 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:57:04,388 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:57:04,388 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:57:41,778 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 05:57:41,908 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 443 for LOIs [2024-11-09 05:57:43,340 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:58:07,484 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification. DAG size of input: 443 DAG size of output: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:58:19,222 WARN L286 SmtUtils]: Spent 11.22s on a formula simplification. DAG size of input: 467 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:59:02,606 WARN L286 SmtUtils]: Spent 10.69s on a formula simplification. DAG size of input: 460 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:59:14,549 WARN L286 SmtUtils]: Spent 10.61s on a formula simplification. DAG size of input: 460 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:59:26,845 WARN L286 SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 464 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:59:38,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [136245105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:38,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:59:38,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:59:38,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854190299] [2024-11-09 05:59:38,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:38,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:59:38,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:38,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:59:38,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:59:38,640 INFO L87 Difference]: Start difference. First operand 389 states and 576 transitions. Second operand has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 05:59:48,440 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 471 DAG size of output: 465 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:00:11,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:11,268 INFO L93 Difference]: Finished difference Result 786 states and 1191 transitions. [2024-11-09 06:00:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 06:00:11,269 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 77 [2024-11-09 06:00:11,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:11,273 INFO L225 Difference]: With dead ends: 786 [2024-11-09 06:00:11,273 INFO L226 Difference]: Without dead ends: 460 [2024-11-09 06:00:11,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 133.1s TimeCoverageRelationStatistics Valid=134, Invalid=1126, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 06:00:11,276 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 87 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 2675 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 2684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:11,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 3852 Invalid, 2684 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2675 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2024-11-09 06:00:11,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-09 06:00:11,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 403. [2024-11-09 06:00:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 276 states have (on average 1.434782608695652) internal successors, (396), 279 states have internal predecessors, (396), 100 states have call successors, (100), 26 states have call predecessors, (100), 26 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-09 06:00:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 595 transitions. [2024-11-09 06:00:11,446 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 595 transitions. Word has length 77 [2024-11-09 06:00:11,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:11,446 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 595 transitions. [2024-11-09 06:00:11,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 06:00:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 595 transitions. [2024-11-09 06:00:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 06:00:11,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:11,450 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, 1, 1] [2024-11-09 06:00:11,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:00:11,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:11,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:00:11,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:11,652 INFO L85 PathProgramCache]: Analyzing trace with hash -825353970, now seen corresponding path program 1 times [2024-11-09 06:00:11,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:11,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932575963] [2024-11-09 06:00:11,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:11,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:00:11,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:11,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932575963] [2024-11-09 06:00:11,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932575963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:11,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269491545] [2024-11-09 06:00:11,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:11,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:11,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:11,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:11,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:00:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:12,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:00:12,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:00:12,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:00:12,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269491545] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:12,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [47845437] [2024-11-09 06:00:12,426 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-09 06:00:12,427 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:00:12,427 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:00:12,427 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:00:12,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:01:23,290 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:01:23,452 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 489 for LOIs [2024-11-09 06:01:25,009 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 498 for LOIs [2024-11-09 06:01:26,288 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 434 for LOIs [2024-11-09 06:01:26,738 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 06:01:26,887 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:02:37,248 WARN L286 SmtUtils]: Spent 15.33s on a formula simplification. DAG size of input: 518 DAG size of output: 513 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:02:53,236 WARN L286 SmtUtils]: Spent 14.94s on a formula simplification. DAG size of input: 518 DAG size of output: 513 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:03:16,965 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 499 DAG size of output: 499 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:03:23,943 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 504 DAG size of output: 500 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:03:30,679 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:03:37,312 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 498 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:03:43,880 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 494 DAG size of output: 490 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:03:50,404 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 489 DAG size of output: 485 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:03:57,076 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 489 DAG size of output: 485 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:04:03,783 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 485 DAG size of output: 481 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:04:03,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [47845437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:04:03,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:04:03,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 06:04:03,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778659431] [2024-11-09 06:04:03,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:03,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 06:04:03,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:04:03,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 06:04:03,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 06:04:03,792 INFO L87 Difference]: Start difference. First operand 403 states and 595 transitions. Second operand has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 06:04:27,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:04:27,202 INFO L93 Difference]: Finished difference Result 811 states and 1226 transitions. [2024-11-09 06:04:27,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 06:04:27,203 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 80 [2024-11-09 06:04:27,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:04:27,208 INFO L225 Difference]: With dead ends: 811 [2024-11-09 06:04:27,208 INFO L226 Difference]: Without dead ends: 485 [2024-11-09 06:04:27,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 156.9s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 06:04:27,211 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 50 mSDsluCounter, 3891 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 4111 SdHoareTripleChecker+Invalid, 3626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:04:27,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 4111 Invalid, 3626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 23.0s Time] [2024-11-09 06:04:27,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-09 06:04:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 439. [2024-11-09 06:04:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 306 states have (on average 1.4313725490196079) internal successors, (438), 309 states have internal predecessors, (438), 103 states have call successors, (103), 29 states have call predecessors, (103), 29 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 06:04:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 643 transitions. [2024-11-09 06:04:27,432 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 643 transitions. Word has length 80 [2024-11-09 06:04:27,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:04:27,433 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 643 transitions. [2024-11-09 06:04:27,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 06:04:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 643 transitions. [2024-11-09 06:04:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 06:04:27,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:27,436 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, 1] [2024-11-09 06:04:27,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:04:27,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 06:04:27,642 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:27,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:27,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1172359173, now seen corresponding path program 1 times [2024-11-09 06:04:27,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:04:27,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538543641] [2024-11-09 06:04:27,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:27,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:04:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:04:27,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:04:27,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538543641] [2024-11-09 06:04:27,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538543641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:04:27,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002652383] [2024-11-09 06:04:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:27,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:04:27,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:04:27,865 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:04:27,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:04:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:28,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:04:28,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:04:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:04:28,346 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:04:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 06:04:28,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002652383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:04:28,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [992278393] [2024-11-09 06:04:28,458 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2024-11-09 06:04:28,458 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:04:28,459 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:04:28,459 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:04:28,459 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:05:15,739 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:05:15,877 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 06:05:16,015 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:06:22,590 WARN L286 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 459 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:06:36,307 WARN L286 SmtUtils]: Spent 12.29s on a formula simplification. DAG size of input: 459 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:06:49,397 WARN L286 SmtUtils]: Spent 11.60s on a formula simplification. DAG size of input: 463 DAG size of output: 463 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 06:07:17,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [992278393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:17,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:07:17,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 06:07:17,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549697333] [2024-11-09 06:07:17,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:17,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 06:07:17,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:17,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 06:07:17,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:07:17,166 INFO L87 Difference]: Start difference. First operand 439 states and 643 transitions. Second operand has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 06:07:27,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:27,136 INFO L93 Difference]: Finished difference Result 813 states and 1217 transitions. [2024-11-09 06:07:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 06:07:27,137 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 79 [2024-11-09 06:07:27,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:27,141 INFO L225 Difference]: With dead ends: 813 [2024-11-09 06:07:27,141 INFO L226 Difference]: Without dead ends: 487 [2024-11-09 06:07:27,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 204 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 121.1s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 06:07:27,143 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 17 mSDsluCounter, 3045 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 2007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:27,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3261 Invalid, 2007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 06:07:27,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-09 06:07:27,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-09 06:07:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 326 states have (on average 1.4355828220858895) internal successors, (468), 329 states have internal predecessors, (468), 103 states have call successors, (103), 29 states have call predecessors, (103), 29 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 06:07:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 673 transitions. [2024-11-09 06:07:27,294 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 673 transitions. Word has length 79 [2024-11-09 06:07:27,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:27,295 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 673 transitions. [2024-11-09 06:07:27,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 18 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 06:07:27,296 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 673 transitions. [2024-11-09 06:07:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 06:07:27,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:27,301 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-09 06:07:27,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 06:07:27,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 06:07:27,502 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:07:27,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:27,502 INFO L85 PathProgramCache]: Analyzing trace with hash 115828459, now seen corresponding path program 1 times [2024-11-09 06:07:27,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:27,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373872900] [2024-11-09 06:07:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:27,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:07:27,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:27,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373872900] [2024-11-09 06:07:27,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373872900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:07:27,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446548999] [2024-11-09 06:07:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:27,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:07:27,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:07:27,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:07:27,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f3face-ed71-4b9e-adc4-99e2cd729646/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:07:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:28,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:07:28,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:07:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:07:28,170 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:07:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 06:07:28,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446548999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:07:28,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1815194100] [2024-11-09 06:07:28,289 INFO L159 IcfgInterpreter]: Started Sifa with 64 locations of interest [2024-11-09 06:07:28,291 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:07:28,292 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:07:28,292 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:07:28,292 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:08:06,609 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 06:08:06,732 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 06:08:06,853 INFO L180 IcfgInterpreter]: Interpretation finished