./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:18:14,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:18:14,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:18:14,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:18:14,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:18:14,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:18:14,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:18:14,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:18:14,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:18:14,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:18:14,433 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:18:14,433 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:18:14,434 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:18:14,435 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:18:14,435 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:18:14,436 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:18:14,437 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:18:14,437 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:18:14,438 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:18:14,438 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:18:14,439 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:18:14,440 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:18:14,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:18:14,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:18:14,442 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:18:14,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:18:14,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:18:14,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:18:14,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:18:14,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:18:14,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:18:14,482 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:18:14,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:18:14,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:18:14,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:18:14,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:18:14,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:18:14,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:18:14,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:18:14,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:18:14,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:18:14,486 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:18:14,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:18:14,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:18:14,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:18:14,486 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:18:14,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:18:14,487 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_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2023-12-02 14:18:14,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:18:14,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:18:14,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:18:14,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:18:14,734 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:18:14,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2023-12-02 14:18:17,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:18:17,878 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:18:17,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2023-12-02 14:18:17,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/data/8c9128727/ffdf3a31c90f4427b29198a692aaac0c/FLAGb7f50f796 [2023-12-02 14:18:17,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/data/8c9128727/ffdf3a31c90f4427b29198a692aaac0c [2023-12-02 14:18:17,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:18:17,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:18:17,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:18:17,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:18:17,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:18:17,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:18:17" (1/1) ... [2023-12-02 14:18:17,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3995e7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:17, skipping insertion in model container [2023-12-02 14:18:17,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:18:17" (1/1) ... [2023-12-02 14:18:18,019 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:18:18,270 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2023-12-02 14:18:18,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:18:18,573 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:18:18,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-02 14:18:18,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [202] [2023-12-02 14:18:18,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [211] [2023-12-02 14:18:18,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [403] [2023-12-02 14:18:18,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [815] [2023-12-02 14:18:18,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1181] [2023-12-02 14:18:18,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1201] [2023-12-02 14:18:18,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2279] [2023-12-02 14:18:18,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2435] [2023-12-02 14:18:18,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2452] [2023-12-02 14:18:18,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2515] [2023-12-02 14:18:18,596 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2023-12-02 14:18:18,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:18:18,708 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:18:18,718 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:18:18,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18 WrapperNode [2023-12-02 14:18:18,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:18:18,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:18:18,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:18:18,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:18:18,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,829 INFO L138 Inliner]: procedures = 107, calls = 125, calls flagged for inlining = 37, calls inlined = 30, statements flattened = 601 [2023-12-02 14:18:18,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:18:18,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:18:18,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:18:18,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:18:18,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:18:18,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:18:18,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:18:18,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:18:18,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (1/1) ... [2023-12-02 14:18:18,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:18:18,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:18:18,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:18:18,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:18:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 14:18:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 14:18:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 14:18:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 14:18:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-02 14:18:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-02 14:18:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 14:18:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 14:18:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 14:18:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:18:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 14:18:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 14:18:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 14:18:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 14:18:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-02 14:18:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-02 14:18:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:18:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:18:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:18:19,163 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:18:19,165 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:18:19,561 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:18:19,718 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:18:19,719 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:18:19,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:19 BoogieIcfgContainer [2023-12-02 14:18:19,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:18:19,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:18:19,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:18:19,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:18:19,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:18:17" (1/3) ... [2023-12-02 14:18:19,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382dbb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:18:19, skipping insertion in model container [2023-12-02 14:18:19,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:18" (2/3) ... [2023-12-02 14:18:19,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382dbb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:18:19, skipping insertion in model container [2023-12-02 14:18:19,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:19" (3/3) ... [2023-12-02 14:18:19,731 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2023-12-02 14:18:19,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:18:19,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:18:19,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:18:19,805 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75210bc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:18:19,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:18:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.537037037037037) internal successors, (83), 56 states have internal predecessors, (83), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 14:18:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 14:18:19,821 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:18:19,822 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 14:18:19,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:18:19,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:18:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash -358793802, now seen corresponding path program 1 times [2023-12-02 14:18:19,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:18:19,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591214197] [2023-12-02 14:18:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:19,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:18:20,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:20,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591214197] [2023-12-02 14:18:20,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591214197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:18:20,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:18:20,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:18:20,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408019136] [2023-12-02 14:18:20,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:18:20,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:18:20,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:18:20,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:18:20,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:18:20,176 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.537037037037037) internal successors, (83), 56 states have internal predecessors, (83), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:18:20,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:18:20,244 INFO L93 Difference]: Finished difference Result 120 states and 164 transitions. [2023-12-02 14:18:20,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:18:20,246 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 46 [2023-12-02 14:18:20,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:18:20,253 INFO L225 Difference]: With dead ends: 120 [2023-12-02 14:18:20,253 INFO L226 Difference]: Without dead ends: 74 [2023-12-02 14:18:20,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:18:20,259 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:18:20,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:18:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-02 14:18:20,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-02 14:18:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 14:18:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2023-12-02 14:18:20,299 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 46 [2023-12-02 14:18:20,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:18:20,300 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2023-12-02 14:18:20,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:18:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2023-12-02 14:18:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 14:18:20,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:18:20,304 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 14:18:20,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:18:20,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:18:20,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:18:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash 399309324, now seen corresponding path program 1 times [2023-12-02 14:18:20,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:18:20,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206933627] [2023-12-02 14:18:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:20,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:18:20,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:20,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206933627] [2023-12-02 14:18:20,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206933627] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:18:20,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:18:20,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:18:20,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040121702] [2023-12-02 14:18:20,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:18:20,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:18:20,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:18:20,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:18:20,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:20,500 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:18:20,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:18:20,558 INFO L93 Difference]: Finished difference Result 116 states and 152 transitions. [2023-12-02 14:18:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:18:20,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2023-12-02 14:18:20,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:18:20,560 INFO L225 Difference]: With dead ends: 116 [2023-12-02 14:18:20,561 INFO L226 Difference]: Without dead ends: 76 [2023-12-02 14:18:20,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:20,563 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:18:20,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:18:20,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-02 14:18:20,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-02 14:18:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 14:18:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 106 transitions. [2023-12-02 14:18:20,576 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 106 transitions. Word has length 47 [2023-12-02 14:18:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:18:20,577 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 106 transitions. [2023-12-02 14:18:20,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:18:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2023-12-02 14:18:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 14:18:20,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:18:20,579 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-02 14:18:20,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:18:20,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:18:20,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:18:20,581 INFO L85 PathProgramCache]: Analyzing trace with hash -748139098, now seen corresponding path program 1 times [2023-12-02 14:18:20,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:18:20,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952661379] [2023-12-02 14:18:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:20,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:18:20,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:20,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952661379] [2023-12-02 14:18:20,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952661379] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:18:20,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199765273] [2023-12-02 14:18:20,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:20,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:18:20,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:18:20,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:18:20,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:18:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:20,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:18:21,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:18:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:18:21,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:18:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:18:21,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199765273] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:18:21,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [869646698] [2023-12-02 14:18:21,153 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-12-02 14:18:21,153 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:18:21,158 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:18:21,164 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:18:21,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:18:40,210 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 232 for LOIs [2023-12-02 14:18:40,379 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:19:08,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [869646698] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:19:08,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:19:08,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 19 [2023-12-02 14:19:08,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139136904] [2023-12-02 14:19:08,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:19:08,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 14:19:08,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:19:08,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 14:19:08,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2023-12-02 14:19:08,511 INFO L87 Difference]: Start difference. First operand 76 states and 106 transitions. Second operand has 14 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-12-02 14:19:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:19:11,517 INFO L93 Difference]: Finished difference Result 188 states and 291 transitions. [2023-12-02 14:19:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 14:19:11,518 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 51 [2023-12-02 14:19:11,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:19:11,520 INFO L225 Difference]: With dead ends: 188 [2023-12-02 14:19:11,520 INFO L226 Difference]: Without dead ends: 124 [2023-12-02 14:19:11,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 28.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2023-12-02 14:19:11,522 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 44 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 14:19:11,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 1052 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 14:19:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-02 14:19:11,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2023-12-02 14:19:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 75 states have (on average 1.48) internal successors, (111), 76 states have internal predecessors, (111), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 14:19:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2023-12-02 14:19:11,541 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 51 [2023-12-02 14:19:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:19:11,542 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2023-12-02 14:19:11,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-12-02 14:19:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2023-12-02 14:19:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 14:19:11,543 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:19:11,544 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-02 14:19:11,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:19:11,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-12-02 14:19:11,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:19:11,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:19:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1051178283, now seen corresponding path program 1 times [2023-12-02 14:19:11,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:19:11,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966107230] [2023-12-02 14:19:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:11,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:19:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:19:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:19:11,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:19:11,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966107230] [2023-12-02 14:19:11,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966107230] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:19:11,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:19:11,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:19:11,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960418008] [2023-12-02 14:19:11,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:19:11,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:19:11,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:19:11,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:19:11,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:19:11,823 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:19:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:19:11,890 INFO L93 Difference]: Finished difference Result 230 states and 341 transitions. [2023-12-02 14:19:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:19:11,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2023-12-02 14:19:11,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:19:11,892 INFO L225 Difference]: With dead ends: 230 [2023-12-02 14:19:11,892 INFO L226 Difference]: Without dead ends: 147 [2023-12-02 14:19:11,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:19:11,895 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 46 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:19:11,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 169 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:19:11,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-02 14:19:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2023-12-02 14:19:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 120 states have (on average 1.55) internal successors, (186), 121 states have internal predecessors, (186), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 14:19:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 213 transitions. [2023-12-02 14:19:11,925 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 213 transitions. Word has length 52 [2023-12-02 14:19:11,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:19:11,926 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 213 transitions. [2023-12-02 14:19:11,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:19:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 213 transitions. [2023-12-02 14:19:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 14:19:11,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:19:11,928 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-02 14:19:11,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 14:19:11,929 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:19:11,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:19:11,929 INFO L85 PathProgramCache]: Analyzing trace with hash -63350879, now seen corresponding path program 1 times [2023-12-02 14:19:11,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:19:11,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758838366] [2023-12-02 14:19:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:11,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:19:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:19:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:19:12,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:19:12,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758838366] [2023-12-02 14:19:12,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758838366] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:19:12,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279256667] [2023-12-02 14:19:12,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:12,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:19:12,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:19:12,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:19:12,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:19:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:19:12,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:19:12,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:19:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:19:12,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:19:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:19:12,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279256667] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:19:12,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1467002261] [2023-12-02 14:19:12,312 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2023-12-02 14:19:12,312 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:19:12,313 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:19:12,313 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:19:12,313 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:19:33,184 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 232 for LOIs [2023-12-02 14:19:33,354 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:20:06,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1467002261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:20:06,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:20:06,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [4, 4, 4] total 21 [2023-12-02 14:20:06,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931503839] [2023-12-02 14:20:06,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:20:06,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 14:20:06,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:20:06,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 14:20:06,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2023-12-02 14:20:06,181 INFO L87 Difference]: Start difference. First operand 142 states and 213 transitions. Second operand has 16 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-12-02 14:20:08,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:20:08,924 INFO L93 Difference]: Finished difference Result 295 states and 467 transitions. [2023-12-02 14:20:08,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 14:20:08,925 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 53 [2023-12-02 14:20:08,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:20:08,927 INFO L225 Difference]: With dead ends: 295 [2023-12-02 14:20:08,927 INFO L226 Difference]: Without dead ends: 208 [2023-12-02 14:20:08,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 32.8s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2023-12-02 14:20:08,928 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 60 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:20:08,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 870 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 14:20:08,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-02 14:20:08,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 150. [2023-12-02 14:20:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 128 states have (on average 1.546875) internal successors, (198), 129 states have internal predecessors, (198), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 14:20:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 225 transitions. [2023-12-02 14:20:08,954 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 225 transitions. Word has length 53 [2023-12-02 14:20:08,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:20:08,954 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 225 transitions. [2023-12-02 14:20:08,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-12-02 14:20:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2023-12-02 14:20:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 14:20:08,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:20:08,956 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-02 14:20:08,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 14:20:09,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:20:09,157 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:20:09,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:20:09,157 INFO L85 PathProgramCache]: Analyzing trace with hash -459932324, now seen corresponding path program 1 times [2023-12-02 14:20:09,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:20:09,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968522180] [2023-12-02 14:20:09,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:20:09,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:20:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:20:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:20:09,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:20:09,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968522180] [2023-12-02 14:20:09,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968522180] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:20:09,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624945857] [2023-12-02 14:20:09,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:20:09,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:20:09,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:20:09,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:20:09,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 14:20:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:20:09,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:20:09,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:20:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:20:09,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:20:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:20:09,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624945857] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:20:09,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [786968414] [2023-12-02 14:20:09,531 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2023-12-02 14:20:09,532 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:20:09,532 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:20:09,532 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:20:09,532 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:20:33,464 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 232 for LOIs [2023-12-02 14:20:33,647 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:21:12,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [786968414] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:21:12,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:21:12,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [4, 4, 4] total 23 [2023-12-02 14:21:12,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176305151] [2023-12-02 14:21:12,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:21:12,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 14:21:12,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:21:12,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 14:21:12,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2023-12-02 14:21:12,197 INFO L87 Difference]: Start difference. First operand 150 states and 225 transitions. Second operand has 18 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-12-02 14:21:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:21:14,865 INFO L93 Difference]: Finished difference Result 299 states and 472 transitions. [2023-12-02 14:21:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 14:21:14,865 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 55 [2023-12-02 14:21:14,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:21:14,867 INFO L225 Difference]: With dead ends: 299 [2023-12-02 14:21:14,867 INFO L226 Difference]: Without dead ends: 212 [2023-12-02 14:21:14,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 38.5s TimeCoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2023-12-02 14:21:14,869 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 90 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:21:14,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 787 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 14:21:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-02 14:21:14,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 160. [2023-12-02 14:21:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 138 states have (on average 1.5434782608695652) internal successors, (213), 139 states have internal predecessors, (213), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 14:21:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 240 transitions. [2023-12-02 14:21:14,895 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 240 transitions. Word has length 55 [2023-12-02 14:21:14,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:21:14,895 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 240 transitions. [2023-12-02 14:21:14,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-12-02 14:21:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 240 transitions. [2023-12-02 14:21:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 14:21:14,896 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:21:14,896 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-02 14:21:14,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 14:21:15,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-02 14:21:15,097 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:21:15,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:21:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash 888312273, now seen corresponding path program 1 times [2023-12-02 14:21:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:21:15,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856830364] [2023-12-02 14:21:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:21:15,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:21:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:21:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 14:21:15,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:21:15,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856830364] [2023-12-02 14:21:15,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856830364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:21:15,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:21:15,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 14:21:15,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930390054] [2023-12-02 14:21:15,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:21:15,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:21:15,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:21:15,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:21:15,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:21:15,255 INFO L87 Difference]: Start difference. First operand 160 states and 240 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-12-02 14:21:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:21:15,350 INFO L93 Difference]: Finished difference Result 160 states and 240 transitions. [2023-12-02 14:21:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:21:15,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 56 [2023-12-02 14:21:15,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:21:15,351 INFO L225 Difference]: With dead ends: 160 [2023-12-02 14:21:15,351 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 14:21:15,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:21:15,353 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 55 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:21:15,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 355 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:21:15,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 14:21:15,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 14:21:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:21:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 14:21:15,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2023-12-02 14:21:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:21:15,354 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 14:21:15,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-12-02 14:21:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 14:21:15,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 14:21:15,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:21:15,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 14:21:15,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 14:21:19,662 INFO L902 garLoopResultBuilder]: At program point L2472(line 2472) the Hoare annotation is: true [2023-12-02 14:21:19,662 INFO L899 garLoopResultBuilder]: For program point L2472-1(line 2472) no Hoare annotation was computed. [2023-12-02 14:21:19,662 INFO L899 garLoopResultBuilder]: For program point L2345(lines 2345 2352) no Hoare annotation was computed. [2023-12-02 14:21:19,662 INFO L899 garLoopResultBuilder]: For program point L2345-2(lines 2335 2355) no Hoare annotation was computed. [2023-12-02 14:21:19,662 INFO L902 garLoopResultBuilder]: At program point L1189(line 1189) the Hoare annotation is: true [2023-12-02 14:21:19,662 INFO L899 garLoopResultBuilder]: For program point L1189-1(line 1189) no Hoare annotation was computed. [2023-12-02 14:21:19,662 INFO L899 garLoopResultBuilder]: For program point outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2023-12-02 14:21:19,662 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2303 2314) the Hoare annotation is: true [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point L2309-1(line 2309) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L902 garLoopResultBuilder]: At program point L2309(line 2309) the Hoare annotation is: true [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point L2297-1(line 2297) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L902 garLoopResultBuilder]: At program point L2297(line 2297) the Hoare annotation is: true [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point outgoingEXIT(lines 2303 2314) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point L2347-1(line 2347) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point L2475-1(line 2475) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L902 garLoopResultBuilder]: At program point L2347(line 2347) the Hoare annotation is: true [2023-12-02 14:21:19,663 INFO L902 garLoopResultBuilder]: At program point L2475(line 2475) the Hoare annotation is: true [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1197) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point L1191-2(lines 1183 1200) no Hoare annotation was computed. [2023-12-02 14:21:19,663 INFO L899 garLoopResultBuilder]: For program point sendEmailEXIT(lines 2371 2383) no Hoare annotation was computed. [2023-12-02 14:21:19,664 INFO L899 garLoopResultBuilder]: For program point L2508(line 2508) no Hoare annotation was computed. [2023-12-02 14:21:19,664 INFO L899 garLoopResultBuilder]: For program point sendEmailFINAL(lines 2371 2383) no Hoare annotation was computed. [2023-12-02 14:21:19,664 INFO L902 garLoopResultBuilder]: At program point L2507-1(line 2507) the Hoare annotation is: true [2023-12-02 14:21:19,664 INFO L902 garLoopResultBuilder]: At program point L2507(line 2507) the Hoare annotation is: true [2023-12-02 14:21:19,664 INFO L902 garLoopResultBuilder]: At program point L2379(line 2379) the Hoare annotation is: true [2023-12-02 14:21:19,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2371 2383) the Hoare annotation is: true [2023-12-02 14:21:19,664 INFO L899 garLoopResultBuilder]: For program point setEmailFromEXIT(lines 499 514) no Hoare annotation was computed. [2023-12-02 14:21:19,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 499 514) the Hoare annotation is: true [2023-12-02 14:21:19,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 536 551) the Hoare annotation is: true [2023-12-02 14:21:19,664 INFO L899 garLoopResultBuilder]: For program point setEmailToEXIT(lines 536 551) no Hoare annotation was computed. [2023-12-02 14:21:19,664 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 325) no Hoare annotation was computed. [2023-12-02 14:21:19,664 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2023-12-02 14:21:19,664 INFO L899 garLoopResultBuilder]: For program point L252(lines 251 394) no Hoare annotation was computed. [2023-12-02 14:21:19,665 INFO L899 garLoopResultBuilder]: For program point $Ultimate##81(lines 372 383) no Hoare annotation was computed. [2023-12-02 14:21:19,665 INFO L895 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~1#1| 1) [2023-12-02 14:21:19,669 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 25)) (.cse1 (select |#memory_int| 1))) (and (= ~queued_client~0 0) (= ~__ste_Client_Keyring1_User2~0 0) (= ~__GUIDSL_NON_TERMINAL_main~0 0) (= ~__ste_email_isEncrypted1~0 0) (= ~__ste_email_subject0~0.offset 0) (= ~__SELECTED_FEATURE_Sign~0 0) (= 0 ~__ste_Client_AddressBook0_Address2~0) (= ~__ste_client_outbuffer3~0 0) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 16 (select |#length| 23)) (<= 1 |#StackHeapBarrier|) (= ~__ste_Client_counter~0 0) (= ~rjh~0 0) (= ~__ste_Client_Keyring1_PublicKey2~0 0) (= (select |#length| 8) 11) (= 21 (select |#length| 11)) (= 10 (select |#length| 26)) (= (select |#valid| 26) 1) (= ~__ste_client_autoResponse1~0 0) (= 9 (select |#length| 16)) (= ~__ste_Client_AddressBook2_Alias0~0 0) (= 0 ~__ste_email_subject0~0.base) (= (select |#length| 28) 10) (= ~__ste_Client_AddressBook2_Alias1~0 0) (= (select |#length| 20) 25) (= ~__ste_Client_Keyring2_PublicKey2~0 0) (= ~__ste_client_forwardReceiver3~0 0) (= (select |#valid| 9) 1) (= (select |#length| 6) 9) (= ~__ste_client_name2~0.offset 0) (= ~__ste_client_name1~0.base 0) (= (select .cse0 3) 0) (= ~__SELECTED_FEATURE_Verify~0 0) (= ~__ste_Client_Keyring1_User0~0 0) (= ~__ste_email_body1~0.offset 0) (= (select |#length| 15) 30) (= ~__SELECTED_FEATURE_Encrypt~0 0) (= (select |#valid| 11) 1) (= ~__ste_Client_AddressBook1_Address2~0 0) (= (select |#valid| 27) 1) (= ~__ste_ClientAddressBook_size1~0 0) (= ~__ste_Client_Keyring0_PublicKey0~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~__ste_Email_counter~0 0) (= ~__ste_ClientKeyring_size1~0 0) (= ~__ste_email_body0~0.offset 0) (= ~__ste_email_isSignatureVerified0~0 0) (= ~__ste_Client_Keyring0_User2~0 0) (= ~__ste_ClientAddressBook_size0~0 0) (= ~__ste_Client_Keyring0_User1~0 0) (= ~__ste_Client_AddressBook1_Alias1~0 0) (= ~__ste_email_to1~0 0) (= (select .cse0 1) 115) (= ~__ste_client_name1~0.offset 0) (= ~__ste_client_privateKey1~0 0) (= ~head~0.offset 0) (= 30 (select |#length| 12)) (= ~__ste_client_name0~0.offset 0) (= ~__ste_Client_Keyring0_PublicKey2~0 0) (= 2 (select |#length| 1)) (= ~__ste_client_idCounter1~0 0) (= ~__ste_Client_Keyring1_PublicKey0~0 0) (= ~__ste_email_to0~0 0) (= 4 (select |#length| 25)) (= (select |#valid| 3) 1) (= ~__ste_email_signKey0~0 0) (= (select |#valid| 7) 1) (= ~__SELECTED_FEATURE_Decrypt~0 0) (= ~__ste_email_encryptionKey0~0 0) (= ~__SELECTED_FEATURE_Keys~0 0) (= (select |#valid| 18) 1) (= (select |#valid| 22) 1) (= ~__SELECTED_FEATURE_AddressBook~0 0) (= ~__ste_client_forwardReceiver2~0 0) (= ~__ste_Client_Keyring0_PublicKey1~0 0) (= ~__SELECTED_FEATURE_Forward~0 0) (= ~__ste_Client_Keyring0_User0~0 0) (= ~__ste_email_isSigned0~0 0) (= ~__ste_Client_Keyring2_PublicKey1~0 0) (= ~__ste_email_isSigned1~0 0) (= (select |#valid| 24) 1) (= ~__ste_email_body0~0.base 0) (= ~__ste_Client_AddressBook0_Alias0~0 0) (= ~__ste_email_id0~0 0) (= ~__ste_client_privateKey0~0 0) (= ~__ste_email_from0~0 0) (= ~__ste_Client_Keyring2_User1~0 0) (= (select |#valid| 12) 1) (= (select |#length| 19) 9) (= ~__ste_Client_AddressBook2_Address2~0 0) (= (select |#valid| 28) 1) (= ~__ste_Client_AddressBook2_Address1~0 0) (= ~bob~0 1) (= ~__ste_client_forwardReceiver1~0 0) (= (select |#length| 27) 12) (= (select .cse0 2) 10) (= (select |#valid| 4) 1) (= |ULTIMATE.start_setup_bob_#in~bob___0#1| 1) (= ~__ste_Client_AddressBook1_Alias2~0 0) (= (select |#length| 21) 16) (= ~__ste_client_outbuffer0~0 0) (= 9 (select |#length| 13)) (<= 0 (+ |ULTIMATE.start_main_~retValue_acc~0#1| 2147483648)) (= ~queue_empty~0 1) (= ~__SELECTED_FEATURE_Base~0 0) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= ~__ste_client_forwardReceiver0~0 0) (= (select |#valid| 20) 1) (= ~__ste_Client_Keyring2_User0~0 0) (= 0 ~__ste_Client_AddressBook0_Address1~0) (= (select |#length| 29) 18) (= ~__ste_Client_AddressBook2_Address0~0 0) (= ~__ste_email_isSignatureVerified1~0 0) (= ~__ste_Client_Keyring1_PublicKey1~0 0) (= |ULTIMATE.start_setup_bob_~bob___0#1| 1) (= ~__ste_Client_Keyring2_PublicKey0~0 0) (= (select |#valid| 21) 1) (= ~__ste_Client_AddressBook1_Address0~0 0) (= ~__ste_client_idCounter2~0 0) (= ~__ste_client_name2~0.base 0) (= ~__ste_email_from1~0 0) (= 28 (select |#length| 2)) (= (select |#length| 17) 25) (= (select |#valid| 14) 1) (= ~__ste_email_subject1~0.base 0) (= ~__ste_Client_AddressBook1_Alias0~0 0) (= (select |#valid| 0) 0) (= (select |#length| 24) 21) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~__ste_Client_Keyring2_User2~0 0) (= (select |#valid| 25) 1) (= ~head~0.base 0) (= ~__ste_client_privateKey2~0 0) (= ~__ste_Client_Keyring1_User1~0 0) (= (select |#valid| 2) 1) (= ~__ste_Client_AddressBook2_Alias2~0 0) (= (select .cse1 0) 48) (= (select .cse0 0) 37) (= ~__ste_email_subject1~0.offset 0) (= (select |#valid| 23) 1) (= ~__ste_Client_AddressBook0_Alias2~0 0) (= ~__ste_ClientKeyring_size0~0 0) (= ~__ste_email_isEncrypted0~0 0) (<= |ULTIMATE.start_main_~retValue_acc~0#1| 2147483647) (= ~queued_message~0 0) (= ~__ste_Client_AddressBook1_Address1~0 0) (= 30 (select |#length| 9)) (= ~__ste_client_idCounter0~0 0) (= 9 (select |#length| 7)) (= 0 ~__ste_Client_AddressBook0_Address0~0) (= ~__ste_client_outbuffer1~0 0) (= (select |#valid| 19) 1) (= ~__ste_Client_AddressBook0_Alias1~0 0) (= ~__GUIDSL_ROOT_PRODUCTION~0 0) (= (select |#valid| 16) 1) (= (select |#valid| 6) 1) (= ~chuck~0 0) (= 30 (select |#length| 18)) (= (select .cse1 1) 0) (= 44 (select |#length| 5)) (= ~__ste_client_name0~0.base 0) (= ~__ste_email_id1~0 0) (= ~__ste_client_outbuffer2~0 0) (= (select |#valid| 29) 1) (= ~__ste_ClientAddressBook_size2~0 0) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= ~__SELECTED_FEATURE_AutoResponder~0 0) (= ~__ste_email_encryptionKey1~0 0) (= (select |#valid| 8) 1) (= ~__ste_client_autoResponse0~0 0) (= ~__ste_email_body1~0.base 0) (= ~__ste_ClientKeyring_size2~0 0) (= ~__ste_client_autoResponse2~0 0) (= (select |#valid| 13) 1) (= (select |#length| 22) 10) (= 9 (select |#length| 10)) (= 21 (select |#length| 14)) (= ~__ste_email_signKey1~0 0))) [2023-12-02 14:21:19,669 INFO L899 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 84 93) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point $Ultimate##75(lines 361 384) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 358) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point $Ultimate##63(lines 339 386) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point $Ultimate##69(lines 350 385) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point $Ultimate##57(lines 328 387) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 133) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2023-12-02 14:21:19,670 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 25)) (.cse1 (select |#memory_int| 1))) (and (= ~queued_client~0 0) (= ~__ste_Client_Keyring1_User2~0 0) (= ~__GUIDSL_NON_TERMINAL_main~0 0) (= ~__ste_email_isEncrypted1~0 0) (= ~__ste_email_subject0~0.offset 0) (= ~__SELECTED_FEATURE_Sign~0 0) (= 0 ~__ste_Client_AddressBook0_Address2~0) (= |ULTIMATE.start_setup_~__cil_tmp2~0#1.offset| 0) (= ~__ste_client_outbuffer3~0 0) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 16 (select |#length| 23)) (<= 1 |#StackHeapBarrier|) (= ~__ste_Client_counter~0 0) (= ~__ste_Client_Keyring1_PublicKey2~0 0) (= (select |#length| 8) 11) (= 21 (select |#length| 11)) (= 10 (select |#length| 26)) (= (select |#valid| 26) 1) (= ~__ste_client_autoResponse1~0 0) (= 9 (select |#length| 16)) (= ~__ste_Client_AddressBook2_Alias0~0 0) (= |ULTIMATE.start_setup_~__cil_tmp1~0#1.offset| 0) (= 0 ~__ste_email_subject0~0.base) (= (select |#length| 28) 10) (= ~__ste_Client_AddressBook2_Alias1~0 0) (= (select |#length| 20) 25) (= ~__ste_Client_Keyring2_PublicKey2~0 0) (= ~__ste_client_forwardReceiver3~0 0) (= (select |#valid| 9) 1) (= (select |#length| 6) 9) (= |ULTIMATE.start_setup_chuck_#in~chuck___0#1| 3) (= ~__ste_client_name2~0.offset 0) (= ~__ste_client_name1~0.base 0) (= (select .cse0 3) 0) (= ~__SELECTED_FEATURE_Verify~0 0) (= ~__ste_Client_Keyring1_User0~0 0) (= ~__ste_email_body1~0.offset 0) (= (select |#length| 15) 30) (= ~__SELECTED_FEATURE_Encrypt~0 0) (= (select |#valid| 11) 1) (= ~__ste_Client_AddressBook1_Address2~0 0) (= (select |#valid| 27) 1) (= ~__ste_ClientAddressBook_size1~0 0) (= ~__ste_Client_Keyring0_PublicKey0~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~__ste_Email_counter~0 0) (= ~__ste_ClientKeyring_size1~0 0) (= ~__ste_email_body0~0.offset 0) (= ~__ste_email_isSignatureVerified0~0 0) (= ~__ste_Client_Keyring0_User2~0 0) (= ~__ste_ClientAddressBook_size0~0 0) (= ~__ste_Client_Keyring0_User1~0 0) (= ~__ste_Client_AddressBook1_Alias1~0 0) (= ~__ste_email_to1~0 0) (= (select .cse0 1) 115) (= ~__ste_client_name1~0.offset 0) (= ~__ste_client_privateKey1~0 0) (= ~head~0.offset 0) (= 30 (select |#length| 12)) (= ~__ste_client_name0~0.offset 0) (= ~__ste_Client_Keyring0_PublicKey2~0 0) (= 2 (select |#length| 1)) (= ~__ste_Client_Keyring1_PublicKey0~0 0) (= ~__ste_email_to0~0 0) (= 4 (select |#length| 25)) (= |ULTIMATE.start_setup_~__cil_tmp1~0#1.base| 6) (= (select |#valid| 3) 1) (= ~__ste_email_signKey0~0 0) (= (select |#valid| 7) 1) (= ~__SELECTED_FEATURE_Decrypt~0 0) (= ~__ste_email_encryptionKey0~0 0) (= ~__SELECTED_FEATURE_Keys~0 0) (= (select |#valid| 18) 1) (= (select |#valid| 22) 1) (= ~__SELECTED_FEATURE_AddressBook~0 0) (= ~__ste_client_forwardReceiver2~0 0) (= ~__ste_Client_Keyring0_PublicKey1~0 0) (= ~__SELECTED_FEATURE_Forward~0 0) (= ~__ste_Client_Keyring0_User0~0 0) (= ~__ste_email_isSigned0~0 0) (= ~__ste_Client_Keyring2_PublicKey1~0 0) (= ~__ste_email_isSigned1~0 0) (= (select |#valid| 24) 1) (= ~__ste_email_body0~0.base 0) (= ~__ste_Client_AddressBook0_Alias0~0 0) (= ~__ste_email_id0~0 0) (= ~__ste_client_privateKey0~0 0) (= ~__ste_email_from0~0 0) (= ~__ste_Client_Keyring2_User1~0 0) (= (select |#valid| 12) 1) (= (select |#length| 19) 9) (= ~__ste_Client_AddressBook2_Address2~0 0) (= 3 ~chuck~0) (= (select |#valid| 28) 1) (= ~__ste_Client_AddressBook2_Address1~0 0) (= ~bob~0 1) (= ~__ste_client_forwardReceiver1~0 0) (= (select |#length| 27) 12) (= (select .cse0 2) 10) (= (select |#valid| 4) 1) (= ~__ste_Client_AddressBook1_Alias2~0 0) (= (select |#length| 21) 16) (= ~__ste_client_outbuffer0~0 0) (= 9 (select |#length| 13)) (<= 0 (+ |ULTIMATE.start_main_~retValue_acc~0#1| 2147483648)) (= ~queue_empty~0 1) (= ~__SELECTED_FEATURE_Base~0 0) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= ~__ste_client_forwardReceiver0~0 0) (= (select |#valid| 20) 1) (= ~__ste_Client_Keyring2_User0~0 0) (= ~rjh~0 2) (= 0 ~__ste_Client_AddressBook0_Address1~0) (= (select |#length| 29) 18) (= ~__ste_Client_AddressBook2_Address0~0 0) (= ~__ste_email_isSignatureVerified1~0 0) (= ~__ste_Client_Keyring1_PublicKey1~0 0) (= ~__ste_Client_Keyring2_PublicKey0~0 0) (= (select |#valid| 21) 1) (= ~__ste_Client_AddressBook1_Address0~0 0) (= ~__ste_client_name2~0.base 0) (= ~__ste_email_from1~0 0) (= 28 (select |#length| 2)) (= (select |#length| 17) 25) (= (select |#valid| 14) 1) (= ~__ste_email_subject1~0.base 0) (= ~__ste_Client_AddressBook1_Alias0~0 0) (= (select |#valid| 0) 0) (= (select |#length| 24) 21) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~__ste_Client_Keyring2_User2~0 0) (= (select |#valid| 25) 1) (= ~head~0.base 0) (= ~__ste_client_privateKey2~0 0) (= ~__ste_Client_Keyring1_User1~0 0) (= (select |#valid| 2) 1) (= ~__ste_Client_AddressBook2_Alias2~0 0) (= 7 |ULTIMATE.start_setup_~__cil_tmp2~0#1.base|) (= (select .cse1 0) 48) (= (select .cse0 0) 37) (= ~__ste_email_subject1~0.offset 0) (= (select |#valid| 23) 1) (= ~__ste_Client_AddressBook0_Alias2~0 0) (= ~__ste_ClientKeyring_size0~0 0) (= ~__ste_email_isEncrypted0~0 0) (<= |ULTIMATE.start_main_~retValue_acc~0#1| 2147483647) (= ~queued_message~0 0) (= ~__ste_Client_AddressBook1_Address1~0 0) (= 30 (select |#length| 9)) (= 9 (select |#length| 7)) (= 0 ~__ste_Client_AddressBook0_Address0~0) (= ~__ste_client_outbuffer1~0 0) (= (select |#valid| 19) 1) (= ~__ste_Client_AddressBook0_Alias1~0 0) (= ~__GUIDSL_ROOT_PRODUCTION~0 0) (= (select |#valid| 16) 1) (= (select |#valid| 6) 1) (= 30 (select |#length| 18)) (= 2 ~__ste_client_idCounter1~0) (= (select .cse1 1) 0) (= 44 (select |#length| 5)) (= ~__ste_client_name0~0.base 0) (= ~__ste_email_id1~0 0) (= ~__ste_client_outbuffer2~0 0) (= (select |#valid| 29) 1) (= ~__ste_ClientAddressBook_size2~0 0) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= ~__SELECTED_FEATURE_AutoResponder~0 0) (= ~__ste_email_encryptionKey1~0 0) (= (select |#valid| 8) 1) (= ~__ste_client_autoResponse0~0 0) (= ~__ste_email_body1~0.base 0) (= ~__ste_ClientKeyring_size2~0 0) (= ~__ste_client_autoResponse2~0 0) (= (select |#valid| 13) 1) (= (select |#length| 22) 10) (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 3) (= 9 (select |#length| 10)) (= 21 (select |#length| 14)) (= ~__ste_email_signKey1~0 0))) [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 104 113) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point $Ultimate##42(lines 314 388) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point $Ultimate##30(lines 292 390) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point $Ultimate##36(lines 303 389) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 393) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point $Ultimate##24(lines 281 391) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2023-12-02 14:21:19,673 INFO L895 garLoopResultBuilder]: At program point L376-1(lines 251 394) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~1#1| 1) [2023-12-02 14:21:19,673 INFO L899 garLoopResultBuilder]: For program point $Ultimate##18(lines 270 392) no Hoare annotation was computed. [2023-12-02 14:21:19,674 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 14:21:19,674 INFO L899 garLoopResultBuilder]: For program point L395(lines 250 396) no Hoare annotation was computed. [2023-12-02 14:21:19,674 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed. [2023-12-02 14:21:19,674 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 267) no Hoare annotation was computed. [2023-12-02 14:21:19,674 INFO L895 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~1#1| 1) [2023-12-02 14:21:19,674 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 114 136) no Hoare annotation was computed. [2023-12-02 14:21:19,674 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 188) no Hoare annotation was computed. [2023-12-02 14:21:19,674 INFO L899 garLoopResultBuilder]: For program point L181-2(lines 181 188) no Hoare annotation was computed. [2023-12-02 14:21:19,676 INFO L895 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 25)) (.cse1 (select |#memory_int| 1))) (and (= ~queued_client~0 0) (= ~__ste_Client_Keyring1_User2~0 0) (= ~__GUIDSL_NON_TERMINAL_main~0 0) (= ~__ste_email_isEncrypted1~0 0) (= ~__ste_email_subject0~0.offset 0) (= ~__SELECTED_FEATURE_Sign~0 0) (= 0 ~__ste_Client_AddressBook0_Address2~0) (= ~__ste_client_outbuffer3~0 0) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= 16 (select |#length| 23)) (<= 1 |#StackHeapBarrier|) (= ~__ste_Client_counter~0 0) (= ~__ste_Client_Keyring1_PublicKey2~0 0) (= (select |#length| 8) 11) (= 21 (select |#length| 11)) (= 10 (select |#length| 26)) (= (select |#valid| 26) 1) (= ~__ste_client_autoResponse1~0 0) (= 9 (select |#length| 16)) (= ~__ste_Client_AddressBook2_Alias0~0 0) (= |ULTIMATE.start_setup_~__cil_tmp1~0#1.offset| 0) (= 0 ~__ste_email_subject0~0.base) (= (select |#length| 28) 10) (= ~__ste_Client_AddressBook2_Alias1~0 0) (= (select |#length| 20) 25) (= ~__ste_Client_Keyring2_PublicKey2~0 0) (= ~__ste_client_forwardReceiver3~0 0) (= (select |#valid| 9) 1) (= (select |#length| 6) 9) (= ~__ste_client_name2~0.offset 0) (= ~__ste_client_name1~0.base 0) (= (select .cse0 3) 0) (= ~__SELECTED_FEATURE_Verify~0 0) (= ~__ste_Client_Keyring1_User0~0 0) (= ~__ste_email_body1~0.offset 0) (= (select |#length| 15) 30) (= ~__SELECTED_FEATURE_Encrypt~0 0) (= (select |#valid| 11) 1) (= ~__ste_Client_AddressBook1_Address2~0 0) (= (select |#valid| 27) 1) (= ~__ste_ClientAddressBook_size1~0 0) (= ~__ste_Client_Keyring0_PublicKey0~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~__ste_Email_counter~0 0) (= ~__ste_ClientKeyring_size1~0 0) (= ~__ste_email_body0~0.offset 0) (= ~__ste_email_isSignatureVerified0~0 0) (= ~__ste_Client_Keyring0_User2~0 0) (= ~__ste_ClientAddressBook_size0~0 0) (= ~__ste_Client_Keyring0_User1~0 0) (= ~__ste_Client_AddressBook1_Alias1~0 0) (= ~__ste_email_to1~0 0) (= (select .cse0 1) 115) (= ~__ste_client_name1~0.offset 0) (= ~__ste_client_privateKey1~0 0) (= ~head~0.offset 0) (= 30 (select |#length| 12)) (= ~__ste_client_name0~0.offset 0) (= ~__ste_Client_Keyring0_PublicKey2~0 0) (= 2 (select |#length| 1)) (= ~__ste_Client_Keyring1_PublicKey0~0 0) (= ~__ste_email_to0~0 0) (= 4 (select |#length| 25)) (= |ULTIMATE.start_setup_~__cil_tmp1~0#1.base| 6) (= (select |#valid| 3) 1) (= ~__ste_email_signKey0~0 0) (= (select |#valid| 7) 1) (= ~__SELECTED_FEATURE_Decrypt~0 0) (= ~__ste_email_encryptionKey0~0 0) (= ~__SELECTED_FEATURE_Keys~0 0) (= (select |#valid| 18) 1) (= (select |#valid| 22) 1) (= ~__SELECTED_FEATURE_AddressBook~0 0) (= ~__ste_client_forwardReceiver2~0 0) (= ~__ste_Client_Keyring0_PublicKey1~0 0) (= ~__SELECTED_FEATURE_Forward~0 0) (= ~__ste_Client_Keyring0_User0~0 0) (= ~__ste_email_isSigned0~0 0) (= ~__ste_Client_Keyring2_PublicKey1~0 0) (= ~__ste_email_isSigned1~0 0) (= (select |#valid| 24) 1) (= ~__ste_email_body0~0.base 0) (= ~__ste_Client_AddressBook0_Alias0~0 0) (= ~__ste_email_id0~0 0) (= ~__ste_client_privateKey0~0 0) (= ~__ste_email_from0~0 0) (= ~__ste_client_idCounter0~0 1) (= ~__ste_Client_Keyring2_User1~0 0) (= (select |#valid| 12) 1) (= (select |#length| 19) 9) (= ~__ste_Client_AddressBook2_Address2~0 0) (= (select |#valid| 28) 1) (= ~__ste_Client_AddressBook2_Address1~0 0) (= ~bob~0 1) (= ~__ste_client_forwardReceiver1~0 0) (= (select |#length| 27) 12) (= (select .cse0 2) 10) (= (select |#valid| 4) 1) (= ~__ste_Client_AddressBook1_Alias2~0 0) (= (select |#length| 21) 16) (= ~__ste_client_outbuffer0~0 0) (= 9 (select |#length| 13)) (<= 0 (+ |ULTIMATE.start_main_~retValue_acc~0#1| 2147483648)) (= ~queue_empty~0 1) (= ~__SELECTED_FEATURE_Base~0 0) (= (select |#valid| 1) 1) (= 44 (select |#length| 4)) (= ~__ste_client_forwardReceiver0~0 0) (= (select |#valid| 20) 1) (= ~__ste_Client_Keyring2_User0~0 0) (= ~rjh~0 2) (= 0 ~__ste_Client_AddressBook0_Address1~0) (= (select |#length| 29) 18) (= ~__ste_Client_AddressBook2_Address0~0 0) (= ~__ste_email_isSignatureVerified1~0 0) (= ~__ste_Client_Keyring1_PublicKey1~0 0) (= ~__ste_Client_Keyring2_PublicKey0~0 0) (= (select |#valid| 21) 1) (= ~__ste_Client_AddressBook1_Address0~0 0) (= ~__ste_client_name2~0.base 0) (= ~__ste_email_from1~0 0) (= |ULTIMATE.start_setup_rjh_~rjh___0#1| 2) (= 28 (select |#length| 2)) (= (select |#length| 17) 25) (= (select |#valid| 14) 1) (= ~__ste_email_subject1~0.base 0) (= ~__ste_Client_AddressBook1_Alias0~0 0) (= (select |#valid| 0) 0) (= (select |#length| 24) 21) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~__ste_Client_Keyring2_User2~0 0) (= (select |#valid| 25) 1) (= ~head~0.base 0) (= ~__ste_client_privateKey2~0 0) (= ~__ste_Client_Keyring1_User1~0 0) (= (select |#valid| 2) 1) (= ~__ste_Client_AddressBook2_Alias2~0 0) (= (select .cse1 0) 48) (= (select .cse0 0) 37) (= ~__ste_email_subject1~0.offset 0) (= (select |#valid| 23) 1) (= ~__ste_Client_AddressBook0_Alias2~0 0) (= ~__ste_ClientKeyring_size0~0 0) (= ~__ste_email_isEncrypted0~0 0) (<= |ULTIMATE.start_main_~retValue_acc~0#1| 2147483647) (= ~queued_message~0 0) (= ~__ste_Client_AddressBook1_Address1~0 0) (= 30 (select |#length| 9)) (= 9 (select |#length| 7)) (= 0 ~__ste_Client_AddressBook0_Address0~0) (= ~__ste_client_outbuffer1~0 0) (= (select |#valid| 19) 1) (= ~__ste_Client_AddressBook0_Alias1~0 0) (= ~__GUIDSL_ROOT_PRODUCTION~0 0) (= (select |#valid| 16) 1) (= (select |#valid| 6) 1) (= ~chuck~0 0) (= 30 (select |#length| 18)) (= (select .cse1 1) 0) (= 44 (select |#length| 5)) (= ~__ste_client_name0~0.base 0) (= ~__ste_email_id1~0 0) (= ~__ste_client_outbuffer2~0 0) (= (select |#valid| 29) 1) (= ~__ste_ClientAddressBook_size2~0 0) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= ~__SELECTED_FEATURE_AutoResponder~0 0) (= ~__ste_email_encryptionKey1~0 0) (= (select |#valid| 8) 1) (= ~__ste_client_autoResponse0~0 0) (= ~__ste_email_body1~0.base 0) (= ~__ste_ClientKeyring_size2~0 0) (= ~__ste_client_autoResponse2~0 0) (= (select |#valid| 13) 1) (= |ULTIMATE.start_setup_rjh_#in~rjh___0#1| 2) (= (select |#length| 22) 10) (= 9 (select |#length| 10)) (= 21 (select |#length| 14)) (= ~__ste_email_signKey1~0 0))) [2023-12-02 14:21:19,677 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 94 103) no Hoare annotation was computed. [2023-12-02 14:21:19,677 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2023-12-02 14:21:19,677 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2023-12-02 14:21:19,677 INFO L899 garLoopResultBuilder]: For program point getEmailToEXIT(lines 517 535) no Hoare annotation was computed. [2023-12-02 14:21:19,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 517 535) the Hoare annotation is: true [2023-12-02 14:21:19,677 INFO L899 garLoopResultBuilder]: For program point isReadableEXIT(lines 2482 2490) no Hoare annotation was computed. [2023-12-02 14:21:19,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2482 2490) the Hoare annotation is: true [2023-12-02 14:21:19,677 INFO L899 garLoopResultBuilder]: For program point setClientIdEXIT(lines 2259 2278) no Hoare annotation was computed. [2023-12-02 14:21:19,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2259 2278) the Hoare annotation is: true [2023-12-02 14:21:19,679 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:21:19,681 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:21:19,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:21:19 BoogieIcfgContainer [2023-12-02 14:21:19,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:21:19,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:21:19,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:21:19,691 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:21:19,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:19" (3/4) ... [2023-12-02 14:21:19,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 14:21:19,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2023-12-02 14:21:19,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2023-12-02 14:21:19,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2023-12-02 14:21:19,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2023-12-02 14:21:19,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2023-12-02 14:21:19,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2023-12-02 14:21:19,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2023-12-02 14:21:19,708 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-12-02 14:21:19,710 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-12-02 14:21:19,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 14:21:19,713 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 14:21:19,714 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 14:21:19,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 14:21:19,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 14:21:19,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 14:21:19,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:21:19,859 INFO L158 Benchmark]: Toolchain (without parser) took 181937.39ms. Allocated memory was 226.5MB in the beginning and 1.1GB in the end (delta: 830.5MB). Free memory was 198.1MB in the beginning and 683.4MB in the end (delta: -485.3MB). Peak memory consumption was 345.4MB. Max. memory is 16.1GB. [2023-12-02 14:21:19,860 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:21:19,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.06ms. Allocated memory is still 226.5MB. Free memory was 197.3MB in the beginning and 160.6MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 14:21:19,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.77ms. Allocated memory is still 226.5MB. Free memory was 159.6MB in the beginning and 155.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:21:19,861 INFO L158 Benchmark]: Boogie Preprocessor took 49.09ms. Allocated memory is still 226.5MB. Free memory was 155.4MB in the beginning and 153.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:21:19,861 INFO L158 Benchmark]: RCFGBuilder took 840.58ms. Allocated memory is still 226.5MB. Free memory was 153.3MB in the beginning and 137.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 14:21:19,862 INFO L158 Benchmark]: TraceAbstraction took 179966.26ms. Allocated memory was 226.5MB in the beginning and 1.1GB in the end (delta: 830.5MB). Free memory was 137.1MB in the beginning and 696.0MB in the end (delta: -558.9MB). Peak memory consumption was 591.4MB. Max. memory is 16.1GB. [2023-12-02 14:21:19,862 INFO L158 Benchmark]: Witness Printer took 167.89ms. Allocated memory is still 1.1GB. Free memory was 696.0MB in the beginning and 683.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:21:19,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.06ms. Allocated memory is still 226.5MB. Free memory was 197.3MB in the beginning and 160.6MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.77ms. Allocated memory is still 226.5MB. Free memory was 159.6MB in the beginning and 155.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.09ms. Allocated memory is still 226.5MB. Free memory was 155.4MB in the beginning and 153.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 840.58ms. Allocated memory is still 226.5MB. Free memory was 153.3MB in the beginning and 137.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 179966.26ms. Allocated memory was 226.5MB in the beginning and 1.1GB in the end (delta: 830.5MB). Free memory was 137.1MB in the beginning and 696.0MB in the end (delta: -558.9MB). Peak memory consumption was 591.4MB. Max. memory is 16.1GB. * Witness Printer took 167.89ms. Allocated memory is still 1.1GB. Free memory was 696.0MB in the beginning and 683.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] - GenericResultAtLocation [Line: 202]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [202] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [211] - GenericResultAtLocation [Line: 403]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [403] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [815] - GenericResultAtLocation [Line: 1181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1181] - GenericResultAtLocation [Line: 1201]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1201] - GenericResultAtLocation [Line: 2279]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2279] - GenericResultAtLocation [Line: 2435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2435] - GenericResultAtLocation [Line: 2452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2452] - GenericResultAtLocation [Line: 2515]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2515] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 207]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 179.9s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 295 mSDsluCounter, 3496 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2891 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2322 IncrementalHoareTripleChecker+Invalid, 2351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 605 mSDtfsCounter, 2322 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 99.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=6, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 191 PreInvPairs, 213 NumberOfFragments, 2104 HoareAnnotationTreeSize, 191 FomulaSimplifications, 8253 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 22 FomulaSimplificationsInter, 806 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 665 ConstructedInterpolants, 0 QuantifiedInterpolants, 829 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2226 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 139/157 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 64.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 54, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 75, TOOLS_POST_TIME: 31.5s, TOOLS_POST_CALL_APPLICATIONS: 27, TOOLS_POST_CALL_TIME: 11.8s, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME: 9.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 120, TOOLS_QUANTIFIERELIM_TIME: 52.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.9s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 177, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME: 9.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 2.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 54, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 18.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 18.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 787, DAG_COMPRESSION_RETAINED_NODES: 174, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (tmp == 1) RESULT: Ultimate proved your program to be correct! [2023-12-02 14:21:19,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc9c9cf0-7053-4dac-81f4-bbcb4d314d7d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE